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2022 OWNER’S MANUAL 50 Hz
Vacanza® Series.
Owners Manual
This Owners Manual will acquaint you with the operation and general maintenance of your new VACANZA series spa. We
suggest that you take some time to carefully review all sections. Please keep this manual available for reference.
If you have any questions about any aspect of your spa’s set-up, operation or maintenance, contact your authorized
CALDERA dealership. They are trained professionals who are familiar with the product as well as new spa ownership
concerns. Their expertise will facilitate the enjoyment of your new CALDERA spa.
The serial number/identification label is located within the equipment compartment of your CALDERA spa. The serial number
should also be documented on the delivery receipt from your dealer.
IMPORTANT: Watkins Wellness reserves the right to change specifications, or design, without notification and without incurring
any obligation.
DATE PURCHASED: ____________________________________
DATE INSTALLED: ______________________________________
DEALER: _____________________________________________
ADDRESS: ____________________________________________
TELEPHONE: __________________________________________
SPA MODEL/SERIAL NUMBER: ___________________________
COVER SERIAL NUMBER: _______________________________
In most cities and counties, permits will be required for the installation of electrical circuits or the construction of exterior surfaces (decks and gazebos).
In addition, some communities have adopted residential barrier codes which may require fencing and/or self-closing gates on the property to prevent
unsupervised access to a pool (or spa) by children under 5 years of age. Your CALDERA spa is equipped with a locking cover that meets the ASTM
F1346-91 Standard for Safety Covers, and as a result, is usually exempt from most barrier requirements. As a general practice, your local Building
Department will inform you of any applicable barrier requirements at the time a permit is obtained for the installation of an electrical circuit. Your
CALDERA dealer can provide information on which permits may be required.
Watkins Wellness congratulates you on your decision to enjoy the finest spa available... Welcome to the
growing family of Caldera® Spa owners.
NOTE: This is an example. Your spa’s
label will contain different information.
Peel off top sticker and place here.
WELCOME
MODEL: PALATINO
SERIES: VACANZA
SERIAL: PLT22E119XXXX
RATINGS: 240V, 50Hz, 20A
1280 Park Center Dr., Vista, CA 92081
Watkins Manufacturing Corp.
PLT22E119XXXX
PLT22E119XXXX
PLT22E119XXXX
PLT22E119XXXX
TABLE OF CONTENTS
SAFETY INFORMATION
IMPORTANT SAFETY INSTRUCTIONS .......................... 1
IMPORTANT SPA INSTRUCTIONS .................................. 3
INSTALLATION
SITE PREPARATION ........................................................... 4
OUTDOOR AND PATIO INSTALLATION .......................... 4
DECK INSTALLATION ......................................................... 4
INDOOR/BASEMENT INSTALLATION ............................. 4
SPA LEVELING PREPARATION ........................................ 4
SPA COVER INSTALLATION.............................................. 5
DELIVERY ACCESS ............................................................ 5
ELECTRICAL REQUIREMENTS
ELECTRICAL ....................................................................... 12
GETTING STARTED
SPA FEATURES PALATINO
, MARINO
,
VANTO
, CAPITOLO
& CELIO
MODELS ...............13
SPA FEATURES AVENTINE
MODEL .......................... 14
HYDRO JETS ...................................................................... 15
QUICK START-UP INSTRUCTIONS ............................... 15
START-UP ............................................................................ 16
PRIMING THE PUMP(S) .................................................... 17
OPERATING INSTRUCTIONS
CONTROL OPERATION .................................................... 18
CLEANING MODE .............................................................. 19
TOOLS MENU ..................................................................... 19
AUDIO MENU (OPTIONAL) .............................................. 20
JET MENUS
PALATINO ............................................................................ 22
MARINO ...............................................................................22
CAPITOLO ........................................................................... 23
CELIO.................................................................................... 23
VANTO ..................................................................................24
AVENTINE ............................................................................ 24
WATER QUALITY AND MAINTENANCE
BASIC INFORMATION .......................................................25
CHEMICAL SAFETY ......................................................... 25
HOW TO ADD CHEMICALS
TO THE WATER ..................................................................25
FUNDAMENTALS OF WATER MAINTENANCE ...........26
FROG
®
CARTRIDGE REPLACEMENT
INSTRUCTIONS .................................................................27
THE CALDERA SPA WATER MAINTENANCE
PROGRAM ........................................................................... 27
VACATION WATER CARE INSTRUCTIONS ................. 28
WATER TERMINOLOGY ...................................................29
SPA CARE AND MAINTENANCE
DRAIN & REFILL INSTRUCTIONS .................................. 30
PREVENTION OF FREEZING ......................................... 30
FILTER SYSTEM................................................................. 31
FILTER CARTRIDGES REMOVAL & CLEANING
(ALL MODELS EXCEPT AVENTINE) .............................. 31
CARE OF THE SPA PILLOWS ......................................... 32
CARE OF THE INTERIOR................................................. 32
CARE OF THE ECOTECH
CABINET .......................... 32
CARE OF THE SPA COVER ............................................. 32
SERVICE INFORMATION
GENERAL INFORMATION................................................ 34
RCD AND HIGH LIMIT THERMOSTAT ........................... 34
MISCELLANEOUS SERVICE INFORMATION ............. 34
ACTS INVALIDATING WARRANTY ................................34
DISCLAIMERS ....................................................................34
CUSTOMER SERVICE ...................................................... 34
TROUBLESHOOTING ....................................................... 35
DOOR PANEL INSTRUCTIONS ......................................36
DOOR PANEL REMOVAL ................................................. 36
Safety Information
IMPORTANT SAFETY
INSTRUCTIONS
(READ AND FOLLOW ALL
INSTRUCTIONS)
AVOIDING THE RISK TO CHILDREN
DANGER - RISK OF CHILD DROWNING
RISK OF CHILD DROWNING. Extreme caution must be
exercised to prevent unauthorized access by children. To avoid
accidents, ensure that children cannot use a spa unless they are
supervised at all times.
WARNING
To reduce the risk of injury, do not permit children to use this
product unless they are closely supervised at all times.
To reduce the risk of injury, lower water temperatures are
recommended for young children. Children are especially
sensitive to hot water.
The device should not be used by persons (including children)
with reduced physical, sensory or metal capabilities, or lack of
experience and knowledge, unless they receive supervision or
training.
DO:
Make sure you always lock the child resistant locks after using the
spa for your children’s safety. Every CALDERA spa is equipped
with a locking cover that meets the ASTM F1346-91 Standard for
Safety Covers.
Test the water temperature with your hand before allowing your
child to enter the spa to be sure that it’s comfortable. Children are
especially sensitive to hot water.
Remind children that wet surfaces can be very slippery. Make
sure that the children are careful when entering or exiting the spa.
DON’T:
Allow children to climb onto the spa cover.
Allow children to have unsupervised access to the spa.
AVOIDING THE RISK OF ELECTROCUTION
Risk of electrocution
Connect only to a grounded source. The spa must be connected
to a residual current device (RCD). Watkins Wellness does not
supply a RCD with the spa. Additionally, the RCD should be VDE
listed and approved by a licensed electrician complying to all local
codes using 16 amps with a maximum 30 mA trip. Contact your
authorized spa dealer.
WARNING
Always test the residual current device (RCD) before each use of
the spa. If the RCD does not perform properly, a ground current
is flowing indicating the possibility of electric shock. Disconnect
power to the spa until the fault has been identified and corrected.
Do not bury the power cord. A buried power cord may result
in death or serious personal injury due to electrocution if direct
burial-type cable is not used, or if improper digging occurs.
WARNING
To reduce the risk of electrical shock, replace a damaged cord
immediately. Failure to do so may result in death or serious
personal injury due to electrocution
In order to avoid a hazard due to inadvertent resetting of the
thermal cut-out, this appliance must not be supplied through an
external switching device, such as a timer, or connected to a
circuit that is regularly switched on and off by the utility.
A ground terminal (pressure wire connector) is provided on the
control box inside the unit to permit connection of a minimum
No. 8.4 mm² solid copper bonding conductor between this point
and any metal equipment, metal water pipe, metal enclosures of
electrical equipment, or conduit within 1.5 m (5 feet) of the unit as
needed to comply with local requirements. If the spa is located
on a reinforced concrete pad, the reinforced steel should also be
bonded to the ground terminal.
Your spa must be supplied by a residual current device (RCD)
with a tripping rating not exceeding 30 mA in an electrical
subpanel.
DANGER: RISK OF ELECTRICAL SHOCK
Install at least 1.5 m (5 feet) from all metal surfaces. A spa may
be installed within 1.5 m (5 feet) of a metal surface if each metal
surface is permanently connected by a minimum No. 6 mm² solid
copper conductor attached to the wire ground connector on the
terminal box that is provided for this purpose.
Do not permit any electrical appliances, such as a light,
telephone, radio, or television within 1.5 m (5 feet) of a spa.
Failure to maintain a safe distance may result in death, or serious
personal injury due to electrocution, if the appliance should fall
into the spa.
DO:
Be sure your spa is connected to the power supply correctly - use
a licensed contractor.
Disconnect the spa from the power supply before draining the spa
or servicing the electrical components.
Test the RCD before each use.
DON’T:
Use the spa with the equipment compartment door removed.
Place electrical appliances within 1.5 m (5 feet) of the spa.
Use an extension cord to connect the spa to its power source.
The cord may not be properly grounded and the connection is
a shock hazard. An extension cord may cause a voltage drop,
which will cause overheating of the jet pump motor and motor
damage.
Attempt to open the electrical control box. There are no user
serviceable parts inside.
1
Safety Information
RISKS TO AVOID
DANGER - RISK OF INJURY
To reduce the risk of injury to persons, DO NOT remove suction
fittings (filter standpipe) located in the filter compartment.
The suction fittings in the spa are sized to match the specific water
flow created by the pump. Never replace a suction fitting with one
rated less than the flow rate marked on the original suction fitting.
There is a danger of slipping and falling. Remember that wet
surfaces can be very slippery. Take care when entering or exiting the
spa.
Never operate spa if the suction fittings are broken or missing.
People with infectious diseases should not use the spa.
Keep any loose articles of clothing, long hair, or hanging jewelry
away from rotating jets or other moving components.
INCREASED SIDE EFFECTS OF MEDICATION
The use of drugs, alcohol may cause unconsciousness with the
possibility of drowning.
Persons using medications should consult a physician before using
a spa; some medication may cause a user to become drowsy,
while other medication may affect heart rate, blood pressure, and
circulation.
Persons taking medications which induce drowsiness, such as
tranquilizers, antihistamines, or anticoagulants should not use the
spa.
HEALTH PROBLEMS AFFECTED BY SPA USE
Pregnant women should consult a physician before using spa.
Persons suffering from obesity, or with a medical history of heart
disease, low or high blood pressure, circulatory system problems, or
diabetes should consult a physician before using spa.
UNCLEAN WATER
Keep the water clean and sanitized with correct chemical care. The
recommended levels for your CALDERA spa are:
Free Available Chlorine:
3.0-5.0 ppm
Total Alkalinity:
40-120 ppm
Water pH:
7.2-7.8
Calcium Hardness:
75-150 ppm
Refer to Water Quality and Maintenance section for complete
instructions.
IMPORTANT: Turn on the jet pump for a least ten minutes after adding
ANY spa water chemicals into the filter compartment.
Clean the filter cartridge monthly to remove debris and mineral buildup
which may affect the performance of the hydromassage jets, limit the
flow, or trip the high limit thermostat, which will turn off the entire spa.
AVOIDING THE RISK OF HYPERTHERMIA
Prolonged immersion in hot water can result in HYPERTHERMIA, a
dangerous condition which occurs when the internal temperature of
the body reaches a level above normal 37°C (98.6°F). The symptoms
of hyperthermia include unawareness of impending hazard, failure to
perceive heat, failure to recognize the need to exit the spa, physical
inability to exit the spa, fetal damage in pregnant women, and
unconsciousness resulting in a danger of drowning.
WARNING
The use of alcohol, drugs, or medication can greatly increase the risk of
fatal hyperthermia in hot tubs and spas.
TO REDUCE THE RISK OF INJURY
The water in the spa should never exceed 40°C (104°F). Water
temperatures between 38°C and 40°C (100°F and 104°F) are
considered safe for a healthy adult. Lower water temperatures are
recommended for extended use (exceeding ten minutes) and for
young children. Extended use can cause hyperthermia.
Pregnant or possibly pregnant women should limit spa water
temperatures to 38°C (100°F). Failure to do so may result in
permanent injury to your baby.
Do not use spa immediately following strenuous exercise.
AVOIDING THE RISK OF SKIN BURNS
To reduce the risk of injury, before entering a spa the user should
measure the water temperature with an accurate thermometer.
Test the water with your hand before entering the spa to be sure it’s
comfortable.
SAFETY SIGN
Each CALDERA spa is shipped with a SAFETY SIGN in the owner’s
package. The sign, which is required as a condition of Product Listing,
should be permanently installed where it is visible to the users of the spa.
To obtain additional SAFETY SIGNS, contact your CALDERA dealer and
request Part #70798.
2Safety Information
IMPORTANT SPA
INSTRUCTIONS
The following contains important spa information, and we strongly
encourage you to read and apply them.
DO:
Use and lock the vinyl cover when the spa is not in use, whether it is
empty or full.
Follow the Spa Care and Maintenance recommendations stated in
this manual.
Use only approved accessories and recommended spa chemicals
and cleaners.
DON'T
Leave the CALDERA spa exposed to the sun without water or the
cover in place. Exposure to direct sunlight can cause solar distress
of the shell material.
Roll or slide the spa on its side. This will damage the siding.
Lift or drag the vinyl cover by using the cover lock straps; always lift
or carry the cover by using the handles.
Attempt to open the electrical control box. There are no user
serviceable parts inside. Opening of the control box by the spa
owner will void the warranty. If you have an operational problem,
carefully go through the steps outlined in the Troubleshooting
section. If you are not able to resolve the problem, contact your
authorized CALDERA dealer. Many problems can easily be
diagnosed over the telephone by an Authorized Service Technician.
SPA SHELL
Your CALDERA spa has an acrylic shell. Stains and dirt generally
will not adhere to your spa’s surface. A soft rag should easily remove
most dirt. Most household chemicals are harmful to your spa’s shell
(see below for detailed information on cleaning agents). Always rinse
off any spa shell cleaning agent with fresh water.
IMPORTANT:
1. The following products are the ONLY approved cleaning agents
for your CALDERA spa shell: plain water, CALDERA Spa Shine,
Brillianize® or Soft Scrub®. The use of alcohol or any other
household cleaner other than those listed to clean the spa shell
surface is NOT recommended. DO NOT use any cleaning products
containing abrasives or solvents since they may damage the shell
surface, specifically: Simple Green®, Windex® or Spa Mitt. NEVER
USE HARSH CHEMICALS! Damage to the shell by use of harsh
chemicals is not covered under the warranty. Always rinse off any
spa shell cleaning agent with fresh water.
2. Iron and copper in the water can stain the spa shell if allowed to go
unchecked. Ask your CALDERA dealer about a Stain and Scale
Inhibitor to use if your spa has a high concentration of dissolved
minerals. (Watkins recommends Stain & Scale Defense.)
3. Keep all cleaners out of the reach of children and use care when
applying.
3
SAVE THESE INSTRUCTIONS
Safety Information
4
Installation
SITE PREPARATION
You probably have a spot picked out for your new spa, whether it’s indoors
or outdoors, on a patio or on a deck. Please make sure you check the
following:
Always put your spa on a structurally sound, level surface. A filled
spa can weigh a great deal. Make certain that the location you
choose can support the weight of your filled spa.
Don’t forget to level your spa before filling it. (See the Spa Leveling
Preparation.)
Locate your equipment compartment, which houses all of the
electrical components, in a place where water will drain away from
it. Allowing water into the equipment compartment can damage the
electronics, or may result in tripping your house’s circuit breaker.
Leave yourself easy access to the circuit breaker in the subpanel.
Leave access to the equipment compartment for periodic spa care
and maintenance.
WARNING: Damage to the spa’s equipment compartment
components or internal plumbing as a result of rodent
infestation is NOT covered under your warranty!
OUTDOOR AND PATIO INSTALLATION
No matter where you install your new spa, it’s important that you have a
solid foundation to support it. Structural damage to the spa, resulting from
incorrect installation, or placement on an inadequate foundation, is not
covered under the spa’s limited warranty.
If you install the spa outdoors, we recommend a reinforced concrete pad
at least 10 cm (four inches) thick. The reinforcing rod or mesh in the pad
should be attached to a bond wire.
DECK INSTALLATION
To be certain your deck can support your spa, you must know the deck’s
maximum load capacity. Consult a qualified building contractor or structural
engineer. To find the weight of your spa, its contents and occupants, refer
to the Spa Specification chart on back cover. This weight per square foot
must not exceed the structure’s rated capacity, or serious structural damage
could result.
INDOOR/BASEMENT INSTALLATION
Be aware of some special requirements if you place your spa indoors.
Water will accumulate around the spa, so flooring materials must provide
a good grip when wet. Proper drainage is essential to prevent a build-
up of water around the spa. When building a new room for the spa it is
recommended that a floor drain be installed. The humidity will naturally
increase with the spa indoors. Water may get into woodwork and produce
dry rot, mildew, or other problems. Check for airborne moisture’s effects
on exposed wood, paper, etc. in the room. To minimize these effects, it is
best to provide plenty of ventilation to the spa area. An architect can help to
determine if more ventilation must be installed.
CALDERA spas are equipped with a jet pump shroud to remove excessive
heat from the equipment compartment. Find this vent and be sure the vent
is not blocked by anything, including carpeting.
Your CALDERA dealer can help you with local information such as zoning
regulations and building codes.
WARNING: Please keep the area around your spa well ventilated
when it is installed indoors or in a confined area.
Inadequate ventilation around the spa could cause a build-up of a higher-
than-normal concentration of spa chemicals and/or bacterial fragments.
These dispersed spa chemicals and/or bacterial fragments can be
inhaled, and may result in breathing difficulties or lung damage in certain
people suffering from a compromised immune system or respiratory
infection. If you or other bathers are affected by this condition, please
seek medical attention as soon as possible.
In addition to the above, properly clean and maintain your spa as follows:
Follow all procedures in this owners manual and printed
instructions on all water care (chemical) products packaging.
Test the water regularly to ensure proper levels of sanitizers, pH,
and other water care requirements.
Drain, clean, and refill your spa with fresh water on a regular
schedule, and in accordance with this owners manual.
Clean the filter at least once per month.
Check to make sure you have proper circulation throughout your
spa water system.
Have spa users bathe before entering the spa water.
SPA LEVELING PREPARATION
Concrete sloped at 1.5 cm per 3 m (.5" per 10') is preferred so that rain
water and water spillover will run off and not puddle underneath the spa
(water under the spa for long periods of time may cause the wood to
deteriorate). Other options are brick, stepping stone, or blocks.
It is important to note that soft surfaces, even when stepping stones are
used to evenly distribute the weight of the spa, will have a tendency to
settle, thus resulting in an unleveled spa.
NOTE: Placing the spa on grass or dirt may increase the amount of debris
which is inadvertently brought into the spa water and may cause harm to
your equipment as well as the spa surface, which is not covered under
warranty.
Installation
5
SPA COVER INSTALLATION
1. Place the cover squarely on the spa.
2. Position the tie-down locks included with your cover on the
side of the spa so that they are easily reached by the cover tie-
down straps. Allow for about 1.3 cm to 2 cm (1/2” to 3/4”) slack
in the straps to make it easy to insert straps into locks and to
compensate for vinyl shrinkage in cold weather.
3. Attach the locks with the screws provided and insert the cover
tie-down straps into the locks.
NOTE: Keeping the cover in place any time the spa is not in use will
reduce the amount of time the heater operates, thereby minimizing
operating costs.
Your CALDERA spa has been thoroughly tested during the
manufacturing process to ensure reliability and long-term customer
satisfaction. A small amount of water may have remained in the plumbing
after testing and, as a result, may have spotted the spa shell or the spa
siding prior to delivery. Before filling the spa, wipe the spa shell clean with
a soft rag. The following instructions must be read and followed exactly to
ensure a successful start-up or refill.
DELIVERY ACCESS
NOTE: It may be necessary to allow for additional over-head clearance if the spa
will be rolled up or down an incline or moved up or down a short flight of stairs.
Use the information in the chart to determine the requirements for access to your
desired location. It may be necessary to remove a gate, part of a fence, or other
movable obstructions in order to roll the spa to its installation site.
If the spa has to be taken off of the cart to go over a wall (either because the
entry area is too narrow, the eaves are too low, the corner is too tight, or the
stairway is too steep), a crane will be required. Don’t be alarmed!
The crane has a truck-mounted boom which can fit right in your driveway. It is
run by a licensed and insured operator. For a charge, the crane operator will lift
your spa over walls, buildings, or any other obstruction and place it as close to the
installation site as possible. The CALDERA spa delivery personnel will supervise
the crane delivery and complete the spa installation.
NOTE: If your spa delivery requires the
use of a crane, you may be required to
pay for its services at the completion of
the delivery.
COVER INSTALLATION
TIE-DOWN
STRAP
LOCK
COVER
KEY
SCREWS (2)
DANGER. RISK OF INJURY.
Never leave a spa uncovered or unattended.
Never leave a spa cover unlocked.
Do not stand, sit, or lie on the cover.
How is your width and height clearance?
Protruding electric meters
A/C units
Do you have sufficient
overhead clearance?
Check low roof eaves,
overhanging branches,
rain gutters
Is the path clear?
Move away branches, dog
houses, firewood, etc.
If there is a 90 turn, can we
clear it? (The spa will not bend.)
No more than 6 consecutive
stairs without a landing
to accommodate the spa
Gas meters
Check all gates
HOUSE
BACK YARD
STREET
How is your width & height clearance?
Check all gates
Protruding electric meters
Gas Meters
A/C units
Do you have sufficient
overhead clearance?
Check low roof eaves,
overhanging branches,
rain gutters
Is the path clear?
Move away branches, dog
house, firewood, etc.
if there is a 90 turn, can we
clear it? (the spa will not bend)
No more than 6 consecutive
stairs without a landing to
accommodate the spa
SPA DIMENSIONS
Model Width (W) Length (L) Height (H)
PALATINO 98 cm 38.5" 226 cm 89" 226 cm 89"
MARINO 91 cm 36" 213 cm 84" 213 cm 84"
VANTO 91 cm 36" 213 cm 84" 213 cm 84"
CAPITOLO 84 cm 33" 208 cm 82" 208 cm 82"
CELIO 74 cm 29" 213 cm 84" 165 cm 65"
AVENTINE 74 cm 29" 163 cm 64" 163 cm 64"
Installation
6
35.5” (90 cm)
38.5” (98 cm)
2.5” (6.3 cm)
88.75” (207 cm)
88.75” (207cm)
PALATINO
NOTE: All dimensions are approximate; measure your spa before making critical design or pathway decisions.
NOTE: Watkins Wellness recommends that the PALATINO be installed on a minimum 10 cm (4") thick reinforced concrete pad or structurally sound deck
able to support the “dead weight” found in the spa specification chart.
IMPORTANT: The PALATINO must not be shimmed in any manner.
DOOR SIDE
ELECTRICAL
CUTOUT
UPSIDE DOWN VIEW OF SPA
ELECTRICAL
CUTOUT ELECTRICAL
CUTOUT
DRAIN
AIR VENT DO NOT BLOCK
FRONT
VIEW
Installation
ELECTRICAL
CUTOUT
BOTTOM
VIEW
OVERALL
OVERALL
DOORDOOR
69.5" (176.5 69.5" (176.5 cmcm))
7
MARINO
NOTE: All dimensions are approximate; measure your spa before making critical design or pathway decisions.
NOTE: Watkins Wellness recommends that the MARINO be installed on a minimum 10 cm (4") thick reinforced concrete pad or structurally sound deck able
to support the “dead weight” found in the spa specification chart.
IMPORTANT: The MARINO must not be shimmed in any manner.
33” (83.9 cm)
36” (91 cm)
2.5” (6.3 cm)
84” (213 cm)
84” (213 cm)
UPSIDE DOWN VIEW OF SPA
Installation
OVERALL
DOORDOOR
64.75" (164.5 64.75" (164.5 cmcm))
DOOR SIDE
ELECTRICAL
CUTOUT
ELECTRICAL
CUTOUT ELECTRICAL
CUTOUT
DRAIN
AIR VENT DO NOT BLOCK
FRONT
VIEW
ELECTRICAL
CUTOUT
BOTTOM
VIEW
OVERALL
8
VANTO
NOTE: All dimensions are approximate; measure your spa before making critical design or pathway decisions.
Installation
NOTE: Watkins Wellness recommends that the VANTO be installed on a minimum 10 cm (4") thick reinforced concrete pad or structurally sound deck able
to support the “dead weight” found in the spa specification chart.
IMPORTANT: The VANTO must not be shimmed in any manner.
33” (83.9 cm)
36” (91 cm)
2.5” (6.3 cm)
84” (213 cm)
84” (213 cm)
UPSIDE DOWN VIEW OF SPA
DOORDOOR
64.75" (164.5 64.75" (164.5 cmcm))
OVERALL
DOOR SIDE
ELECTRICAL
CUTOUT
ELECTRICAL
CUTOUT ELECTRICAL
CUTOUT
DRAIN
AIR VENT DO NOT BLOCK
FRONT
VIEW
ELECTRICAL
CUTOUT
BOTTOM
VIEW
OVERALL
9
CAPITOLO
NOTE: All dimensions are approximate; measure your spa before making critical design or pathway decisions.
NOTE: Watkins Wellness recommends that the CAPITOLO be installed on a minimum 10 cm (4") thick reinforced concrete pad or structurally sound deck
able to support the “dead weight” found in the spa specification chart.
IMPORTANT: The CAPITOLO must not be shimmed in any manner.
29.5” (75 cm)
33” (84 cm)
2.5” (6.3 cm)
82” (208 cm)
82” (208 cm)
ELECTRICAL
CUTOUT
UPSIDE DOWN VIEW OF SPA
Installation
OVERALL
DOOR SIDE
ELECTRICAL
CUTOUT ELECTRICAL
CUTOUT
DRAIN
AIR VENT DO NOT BLOCK
FRONT
VIEW
ELECTRICAL
CUTOUT
BOTTOM
VIEW
OVERALL
DOORDOOR
62.5" (159 62.5" (159 cmcm))
10
CELIO
NOTE: All dimensions are approximate; measure your spa before making critical design or pathway decisions.
NOTE: Watkins Wellness recommends that the CELIO be installed on a minimum 10 cm (4") thick reinforced concrete pad or structurally sound deck able to
support the “dead weight” found in the spa specification chart.
IMPORTANT: The CELIO must not be shimmed in any manner.
Installation
29.5in 74.92cm
23.5in 59.80cm
ELECTRICAL
SPA DRAIN
OUTLET
ELECTRICAL
OUTLET
FRONT VIEW 6.35cm2.5in
65in 164.16cm
DOOR
11in 29.02cm
BOTTOM VIEW
OUTLET
ELECTRICAL ELECTRICAL
OUTLET
DOOR SIDE
13.81cm
OVERALL
R5in
64in
7.35cm
59in
PEDESTAL
150.50cm
78in
PEDESTAL
198.76cm
OVERALL
210.03cm83in
161.77cm
3in
3in 7.35cm
FRONT VIEW
ELECTRICAL
OUTLET
SPA DRAIN
OVERALL
BOTTOM VIEW
ELECTRICAL
OUTLET
DOOR SIDE
ELECTRICAL
OUTLET
OVERALL
ELECTRICAL
OUTLET
83" (210 cm)
DOOR
65" (165 cm)
AIR VENTS BELOW DOOR
DO NOT BLOCK
11" (29 cm)
2.5" (6 cm)
23" (59 cm)
29" (74 cm)
64" (162 cm)
3" (7 cm)
RADIUS
5.5" (14 cm)
PEDESTAL
59" (150.5 cm)
PEDESTAL
78" (199 cm)
3" (7 cm)
11
AVENTINE
NOTE: All dimensions are approximate; measure your spa before making critical design or pathway decisions.
NOTE: Watkins Wellness recommends that the AVENTINE be installed on a minimum 10 cm (4") thick reinforced concrete pad or structurally sound deck
able to support the “dead weight” found in the spa specification chart.
IMPORTANT: The AVENTINE must not be shimmed in any manner.
25.5” (64 cm)
29” (74 cm)
2.5” (6.3 cm)
63” (160 cm)
63” (160 cm)
44.5” (113 cm)
19.25” (48.9 cm)
19.25” (48.9 cm)
UPSIDE DOWN VIEW OF SPA
Installation
ELECTRICAL
CUTOUT
OVERALL
ELECTRICAL
CUTOUT ELECTRICAL
CUTOUT
DRAIN
AIR VENT DO NOT BLOCK
FRONT
VIEW
ELECTRICAL
CUTOUT
BOTTOM
VIEW
OVERALL
DOORDOOR
34.5" (88 34.5" (88 cmcm))
AIR VENT DO NOT BLOCK
electrical requirements
ELECTRICAL
Your CALDERA spa has been carefully designed to give you maximum
safety against electrical shock. Connecting the spa to an improperly
wired circuit will negate many of the spa’s safety features. Improper
wiring may also cause electrocution, risk of fire, and other risks of
injuries. Please read and follow the electrical installation requirements
and instructions for your spa completely! Your spa must be supplied by
a residual current device (RCD) - with a tripping rating not exceeding 30
mA in an electrical subpanel.
VACANZA SPAS MUST BE WIRED IN ACCORDANCE WITH ALL
APPLICABLE NATIONAL AND LOCAL ELECTRICAL CODES. ALL
ELECTRICAL WORK SHOULD BE DONE BY AN EXPERIENCED,
LICENSED ELECTRICIAN. WE RECOMMEND THE USE OF
APPROPRIATE ELECTRICAL CONDUIT, FITTINGS, AND WIRE FOR
ALL CIRCUITS.
The MARINO, CAPITOLO, CELIO, VANTO and AVENTINE spas
require a 16 amp, single phase, 230 volt, three wire service (one line,
one neutral, one ground).
The AVENTINE can be converted to a 20 amp service allowing the
high speed jet pump to operate simultaneously with the heater. A
CALDERA Spa Technician must reconfigure spa using the soft jumpers
to allow the heater to run concurrent with jet pump.
The PALATINO spa requires a 20 amp single phase, 230 volt,
three wire service (one line, one neutral, one ground) found below.
Additionally, one main disconnect switch with at least 3 mm separation
between contacts must be used for all electrical circuits to the spa.
Mount the subpanel according to local codes, but not closer than 1.5
meters (5 feet) away.
CONDUIT INSTALLATION INSTRUCTIONS
1. To connect the electrical service, first remove the screws from the
equipment compartment door. Carefully pull the door panel down
and away in order to remove it completely from the spa.
2. Locate the control box. Loosen the screws on the front of the
control box. Remove the screws and the control box cover.
3. Route the electrical conduit through the access opening of the spa.
4. Connect the supply conduit to the control box and connect the
wiring as detailed below, or on the wiring diagram label on the
inside of the control box cover.
WARNING: Removing or bypassing any RCD breaker will result in an
unsafe spa and will void the spa’s warranty.
IMPORTANT: Should you ever find the need to move or relocate your
VACANZA spa, it is essential that you understand and apply these
installation requirements. Your VACANZA spa has been carefully
engineered to provide maximum safety against electric shock.
Remember, connecting the spa to an improperly wired circuit will negate
many of its safety features.
NOTE: Long wiring runs may require larger-gauge wire than stated.
230 VOLT 50HZ SUBPANEL WIRING
25A
16A
*20A *
* 20A ONLY
20A
6.0 mm2, Neutral, Blue
6.0 mm2, Ground, Grn/Ylw
6.0 mm2, Line, Brown
Less than 15 meters (50 ft.)
More than 1.5 meters (5 ft.)
Main Service
Electrical Panel
220-240 VAC
Single Pole Circuit
Breaker (Non
RCD)
Sub-Panel with
RCD breaker
Less than 30 meters (100 ft.)
Control Box
6.0 mm2, Neutral, Blue
6.0 mm2, Ground, Grn/Ylw
6.0 mm2, Line, Brown
12 Electrical
13
Getting Started
1) Standard LCD Control Panel. The control panel
is accessible from inside or outside the spa and is
designed for ease of use.
2) The Air Control lever lets you dial in the ideal
amount of air for the Euro jets.
3) The Water Feature lever adjusts the amount of
water that flows from the available water feature.
4) The AdaptaFlo® jets. These jets allow you to
redirect the jet stream by changing the position of
the nozzle.
5) The AdaptaSsage® jets. These jets provide a
rotating massage pattern.
6) The Euro Directional jets, with eyeball nozzles,
deliver a direct, more focused massage.
7) The Multi-color LED light system, you see
multiple points of multi-color lighting.
8) The water feature adds beauty to your spa
experience.
9) Pillow - All spas come with one or more pillows.
10) FROG housing cap.
11) Spa Filter provides the water filtration of the spa.
12) The spa drain/suction.
21
3
4
8
5
7
11
12
6
10
9
WARNING: DO NOT SIT IN THE
FILTER COMPARTMENT AREA
"THIS IS NOT A SEAT"!!!
Sitting in this area can cause:
Restriction of filter pump
suction/vacuum.
● Damagetocomponents.
Both can result in bodily harm.
Should damage occur to components
in this area, replace immediately!
SPA FEATURES
PALATINO
,
MARINO,
VANTO, CAPITOLO
&
CELIO
MODELS
Getting Started
14 Getting Started
Getting Started
SPA FEATURES
AVENTINE
MODEL
1) Standard LCD Control Panel. The control panel
is accessible from inside or outside the spa and is
designed for ease of use.
2) The Air Control lever lets you dial in the ideal
amount of air for the Euro jets.
3) The ADAPTAFLO jets. These jets allow you to
redirect the jet stream by changing the position of
the nozzle.
4) The Euro Directional jets, with eyeball nozzles,
deliver a direct, more focused massage.
5) LED dimmable light.
6) Pillow - Spa comes with one pillow.
7) FROG housing cap.
8) Spa Filter provides the water filtration of the spa.
(not shown in overhead picture above).
9) The spa drain.
10) Grab Rail
2
1
3
ADDITIONAL SPA FEATURES
WARNING: DO NOT SIT IN THE
FILTER COMPARTMENT AREA
"THIS IS NOT A SEAT"!!!
Sitting in this area can cause:
●Restrictionoffilterpump
suction/vacuum.
● Damagetocomponents.
Both can result in bodily harm.
Should damage occur to components
in this area, replace immediately!
4
5
7
8
6
10
9
15
HYDRO JETS
ADAPTAFLO
Jets - These jets allow you to redirect the jet stream by
changing the position of the nozzle.
ADAPTASSAGE Jets - These jets provide a rotating massage pattern.
EURO DIRECTIONAL - The Euro Directional jets, with eyeball nozzles,
deliver a direct, more focused massage.
WATERFALL VALVE (AVAILABLE ON
SOME MODELS)
The spas are equipped with a cascading water feature. It is activated by
pressing the JETS button up to 3 times when the jets are off and turning
the waterfall valve clockwise. The flow is regulated by turning the valve to
the desired position.
When not in use turn the on/off valve to the OFF position.
QUICK START-UP INSTRUCTIONS
BEFORE YOU FILL YOUR SPA
Make sure your spa has been properly installed per all local codes, this
includes the location of the spa, the foundation of the spa as well as
the electrical installation of the spa. Installation instructions in the form
of a Pre-Delivery Instruction booklet can be obtained from either your
CALDERA dealer or online.
DO:
Know which water treatment system you will be using and make
sure you have necessary chemicals available. Read all of the
instructions that come with the system.
Have 5-way Test Strips Available.
Have pH/Alkalinity Up & Down available.
Know the "Hardness" of your water, contact your dealer to help you
with this information. See Water Quality and Maintenance for more
information.
IMPORTANT: Watkins Wellness does not recommend that the
spa be filled with “softened” water, as this may damage the spa’s
equipment.
Purchase the Clean Screen
®
pre-filter to remove unwanted
contaminants from the tap water. This is recommended, not required.
DON'T:
Power up the spa until it has been filled with water! Power to the
spa automatically activates critical components within the spa, such
as controls, heater, circulation pump, and other systems. If power
is supplied to these components prior to the spa being filled, the
components will be damaged, and this may result in a non-warranty
component failure.
Fill the spa with hot water or cold water with cold water temperature
below 10º C (50º F)! Tripping of the high-limit thermostat may result
causing your spa to stop functioning.
Use your spa after filling until all of the steps listed below START-UP
are completed!
Add chlorine if treating your spa with polyhexamethylene biguanide
(Biguanide, PHMB, eg. BaquaSpa®) sanitizer.
ADAPTAFLO Jet
ADAPTASSAGE Jet
EURO DIRECTIONAL Jet
Getting Started
Getting Started
16
START-UP AND REFILL PROCEDURES
START-UP
Your VACANZA series spa has been thoroughly tested during the
manufacturing process to ensure reliability and long-term customer
satisfaction. A small amount of water may have remained in the plumbing
after testing and, as a result, may have spotted the spa shell or the spa
siding prior to delivery. Before filling the spa, wipe the spa shell clean with
a soft rag.
The following instructions must be read and followed exactly to ensure a
successful start-up or refill.
CAUTIONS
Do not fill the spa with hot water, as tripping of the high-limit
thermostat may result.
DO NOT CONNECT POWER TO AN EMPTY SPA. Power to the
spa automatically activates critical components within the
spa, such as controls, heater, and other systems. If power is
supplied to these components prior to the spa being filled,
the components will be damaged, and this may result in a
non-warranty component failure.
Do not use your spa after filling until all of the steps listed
below are completed.
Do not add chlorine if treating your spa with
polyhexamethylene biguanide (Biguanide, PHMB, eg.
BaquaSpa
®) sanitizer.
Before filling your spa for the first time, remove the
equipment compartment door and check to ensure that the
unions on either side of the pump(s) and heater are hand-
tight.
1. ENSURE that the drain is closed and remove the filter compartment
cover, skimmer basket, weir, and filter. Then insert the end of a
garden hose into the filter canister and begin filling the spa. The
water level of your VACANZA series spa should be maintained at
a level one inch above the highest jet in the spa. Reinstall the filter
and then the skimmer basket, and weir once the spa is filled.
IMPORTANT: Watkins Wellness does not recommend that the
spa be filled with “softened” water, as this may damage the spa’s
equipment.
2. AFTER the spa has been filled with water and the equipment
compartment door is secured, power must be applied to the spa.
3. TO CHECK THE OPERATION OF THE JET SYSTEM and to
purge any remaining air from the heating system, push the “JETS”
button on the control panel three times (twice for CAPITOLO,
CELIO & AVENTINE models) to run the jet pump(s) on high speed
for one minute. Once the jet system is fully operational (as indicated
by strong, non-surging jets), priming of the spa is complete. If you
do not feel a steady stream of water from your jets, refer to the
instructions for priming the pump in the SPA TROUBLESHOOTING
section in the back of this manual.
4. SET THE TEMPERATURE CONTROL to the desired temperature
between 38°C (100°F) and 40°C (104°F), then place the spa
cover on the spa and allow the water temperature to stabilize
(approximately 24 hours). Make sure you secure the cover in place
using the cover locks. Periodically check the spa water temperature.
When the water temperature climbs above 32°C (90°F), proceed
to the next step. The spa temperature is pre-programmed to reach
38°C (100°F), and will normally do so within 18 to 24 hours.
5. USING A TEST STRIP AND APPLICABLE CHEMICALS adjust
Total Alkalinity (TA) to 40-120 ppm, Calcium Hardness (CH) to
75-150 ppm, then spa water pH to between 7.2 and 7.8. These
procedures are listed in the “Water Quality and Maintenance”
section.
OPERATION NOTE: Adjusting the Total Alkalinity as the first step
is important, as out-of balance TA will affect your ability to adjust the
pH correctly and will prevent the sanitizer from operating effectively.
IMPORTANT: Activate the Clean cycle (Press "MODE
" or
"MODE▼" until CLEAN is displayed then press "ON
" to activate
clean cycle) before adding spa water chemicals directly into the filter
compartment. Make sure all diverter valves are set to the middle
position.
6. ADD Metal remover if metals are in water. Wait 24 hours before
adding FROG.
7. SUPERCHLORINATE THE SPA WATER by adding 1½ teaspoons
of chlorine (sodium dichlor) per 950 liters (250 gallons) of spa water,
then activate the Clean cycle by pressing "MODE
"or"MODE▼"
until CLEAN is displayed then press the "ON
" button .
8. TEST THE SPA WATER FOR CHLORINE RESIDUAL. If the
residual is between 3 and 5 ppm on the test strips, go on to the next
step. If the residual is less than 3 ppm add 1 teaspoon of chlorine
(sodium dichlor), activate the Clean cycle, and then retest. Repeat if
necessary.
9. IF USING FROG INSTALL FROG bromine and mineral
cartridges. Dial the mineral cartridge to setting 6 and snap into the
top space of the cartridge holder. Dial the bromine cartridge to setting
3 and snap into the bottom space of the cartridge holder.
WARNING: High sanitizer levels can cause discomfort to the user’s
eyes, lungs and skin. Always allow the sanitizer level to fall to the
recommended range before using the spa.
IMPORTANT: Each time the spa is filled with water, you must
remove and reinstall the FROG cap, even if you are not replacing
the cartridge, in order to properly prime the jet pumps.
10. RECHECK the Total Alkalinity (TA) 40-120 ppm, Calcium Hardness
(CH) 50-150 ppm, then spa water pH at between 7.2 and 7.8.
OPERATION NOTE: Make sure you adjust your Total Alkalinity and
pH correctly, this will affect
the sanitizers effectiveness.
The spa is ready for use when the spa water has circulated and
the bromine level remains between 1 and 2 ppm or chlorine level
remains between 3 and 5 ppm.
OPERATION NOTE:
1. Your spa is equipped with a ten-minute timer delay on the heating/
tranquil mode. Whenever the jet pump has been turned off (and a
three-degree temperature drop has occurred) or the temperature
control has been turned up, it will take ten minutes before the low
speed of the jet pump and heater become activated. Always push the
“JETS” button to turn off the jet pump when exiting the spa.
2. The spa controller has an automatic one-hour “time-out” feature
should the high speed jet mode be left on inadvertently. After one
hour of continuous operation, the controller will automatically
return to the maintenance/heating mode.
17
PUMP
UNIONS
PUMP
UNIONS
HEATER
UNIONS
3. The spa controller also has a six-hour “time-out” feature should
the light be left on inadvertently. After six hours of continuous
operation, the controller will automatically turn the light off.
PRIMING THE PUMP(S)
Upon filling or refilling the spa, if a pump is operating and water is not
flowing from any of its jets, the pump may not be properly primed.
To correct, refer to the illustration below and perform the following
procedures:
Turn off power to the spa at the breaker and remove the equipment
compartment door.
Loosen the union on the top of the pump(s) to allow the air to
escape. When water is present, hand-tighten the union.
Turn power back on, activate the pump and check to make sure
union is tight enough to keep it from leaking. Re-install equipment
door.
NOTE: Equipment compartment illustrated below will vary
depending on spa model.
IMPORTANT
THE DRAIN CAP AND UNION FITTINGS IN THE EQUIPMENT
COMPARTMENT MAY LOOSEN DURING TRANSPORTATION. TO AVOID
LEAKS, PLEASE CHECK TO MAKE SURE THESE ARE HAND-TIGHT
PRIOR TO FILLING YOUR SPA.
Getting Started
Operating Instructions
CONTROL OPERATION
Your control panel consists of an LCD display and convenient touch pads
that allow you to set the water temperature and adjust the skim/filter
cycle settings, lock spa temp, lock all spa functions, as well as control the
hydrotherapy jets, and lights.
LCD DISPLAY INVERSION
You may invert the control panel display for easier viewing from inside the
spa. To invert the display the following is required: Press the MODE()
and (
-)
buttons simultaneously. By pressing the MODE() and (
-)
buttons
simultaneously a second time the screen will go back to it’s original
display.
MODE BUTTON
From the Home screen use the MODE ( or ) button to scroll to the
System, Clean, Audio (if your spa is equipped) and Tools screen. Press
the (
+) button
to enter into the sub screens.
TEMPERATURE CONTROL
The set temperature range is from 26°C
(80°F) to 40°C (104°F). Whenever power is
disconnected and then reconnected to the spa,
the water temperature setting will automatically
return to the last temperature entered into the program.
To increase the set temperature, press the (
+)
button, once for each
degree of increase temperature desired. If you hold the (
+)
button down,
the set temperature will increase by one degree every half second.
To decrease the set temperature, press the (-) button, once for each
degree of decreased temperature desired. If you hold the (-) button down,
the set temperature will decrease by one degree every half second. When
the spa water has reached the set temperature, the “READY” icon will
display.
JET PUMP CONTROL
Pressing the “JETS” button changes the jet
pump functions, depending on the number of
presses:
PALATINO, MARINO & VANTO SPA
MODELS ONLY:
1st press: System 1 jet pump runs on low speed
2nd press: System 1 jet pump runs on high speed
3rd press: System 1 & System 2 jet pumps run on high speed
4th press: System 2 jet pump runs on high speed
5th press Both Systems jet pumps are off
CAPITOLO, CELIO & AVENTINE SPA
MODELS ONLY:
1st press: System 1 jet pump runs on low speed
2nd press: System 1 jet pump runs on high speed
3rd press: Jet pump off
The pump on high speed automatically turns off after operating
for one hour. The pump on low speed automatically turns off after
operating for one hour.
When the jets are active, the JETS icon on the control panel will
illuminate.
LIGHT ON/OFF & INTENSITY
CONTROLS
The light control uses four positions: High, Medium, Low, and Off. To turn
on the spa light, press the LIGHT button. This will place all lights in the
spa in the High, or maximum intensity position. When the lights turn on,
the light symbol will also illuminate on the control panel display. Press
the LIGHT button again to lower the intensity of the lights to the Medium
position. Press the LIGHT button again to lower the intensity even more,
placing the lights intensity in the Low position. Press the LIGHT button
one more time to shut the lights off. When the light is deactivated, the
light symbol will also turn off.
If the lights are left on, they will automatically be turned off by the control
system after 6 hours of continuous operation. The light symbol on the
panel will also turn off when the lights are deactivated.
If the lights will not turn on, make sure SPA LOCK is deactivated. SPA
LOCK disables the controls on the control panel (see following pages for
more information on SPA LOCK).
SYSTEM MODE
Your spa is equipped with a System Mode.
This function will allow you to conveniently
turn the jet(s) on high speed and the light on
maximum intensity at the same time.
To activate the system mode, perform the following functions:
Press the MODE ( or ) button until SYSON is displayed on the
screen. Press the (
+)
  button to activate the SYSON mode feature. The
jets and light icons will illuminate on the display until the system mode is
deactivated.
18
Light Icon
Filter Cycle Icon
Jets Button
Light Button
Temperature
Down/Off
Temperature
Up /On
Mode
Power Icon
Sleep
Icon
Temp Ready
Icon
Filter Cycle 2
Icon
Filter Cycle
1 Icon
Jet Icon
Mode
SET
READY
F1
F2
READY
READY
READY
READY
READY
READY
READY
F1
READY
F1
F2
SET
F1
F2
SET
READY
F1
F2
READY
POWER
POWER
POWER
POWER
POWER
POWER
POWER
READY
F1
F2
POWER
Operating Instructions
NOTE: Once activated, the jet and light functions can still be changed by
pressing the JETS or LIGHT button.
To deactivate the system mode, press the MODE ( or ) button until
the SYSON symbol is illuminated on the display. Press the (
-)
button to
deactivate.
CLEANING MODE
All spas are equipped with a “Cleaning” mode.
When the mode is activated, the jet pump in the
first jet system will turn on and run for ten minutes
(used for water maintenance). To activate the
“Cleaning" mode, press the MODE ( or ) button several times
until the CLEAN menu is displayed. Press the (
+)
button to activate the
CLEAN mode feature.
NOTE: The jet icon will flash on and off while the “Cleaning ” mode is active.
To stop the Cleaning Cycle before the ten minutes is complete, Press the
MODE ( or ) button several times until the CLEAN menu is displayed
on the screen then press the (
-)
  button to deactivate.
NOTE: Pressing the JETS button will also deactivate the clean cycle and
the jet icon will remain on and solid
TOOLS MENU
The TOOLS menu is one of the main menus on the control panel. Within
the TOOLS menu are seven submenus, which consists of; Temp Lock,
Spa Lock, Light, Econ or Summer Timer, Filter 1, Filter 2, LCD and Exit.
To enter onto the TOOLS menu, scroll through the main menus using the
MODE ( or ) button until TOOLS is displayed. Press the (
+)
button to
enter into the TOOLS submenu, use the MODE ( or ) button to scroll
through the submenus. Once the desired submenu is displayed, press
the (
+)
button to activate that submenu. To leave the TOOLS submenu,
scroll through the submenu using the MODE ( or ) button until EXIT
is displayed, then press the (
+)
button to exit the submenu.
LOCKING FEATURES
The two locking features, SPA LOCK and TEMPERATURE LOCK,
are enabled from the control panel by pressing the MODE ( or )
button until TOOLS is displayed. Then press the (
+)
button to enter the
TOOLS submenus. Use the MODE ( or ) button to scroll through the
submenus to get to the locking features. Once enabled, a lock will remain
active until the specific button combination is applied to disable the lock.
Even if power is disconnected from the spa and soon thereafter reapplied
(such as in a power outage) the lock will remain in place.
TEMPERATURE LOCK
The TEMPERATURE LOCK feature
deactivates the temperature control function
of the control panel. TEMPERATURE LOCK
is most often used by people who do not
want others to tamper with or change the set temperature of the spa water.
TEMPERATURE LOCK is a submenu of the TOOLS menu
To activate the TEMPERATURE LOCK, press the MODE ( or )
button in the TOOLS submenu until the TLOK- symbol is displayed on
the screen. Press the (
+)
button to activate the
TEMPERATURE LOCK
feature (TLOK+).
When the TEMPERATURE LOCK is activated, the JETS, LIGHTS
and any other features your spa may have will operate normally, and
the
temperature setting can be viewed but can NOT be changed. If a
temperature button is pressed, TLOK will display for several seconds, then
turns off.
To deactivate the TEMPERATURE LOCK, press the MODE ( or )
button in the TOOLS submenu until the TLOK+ symbol is displayed on
the screen. Press the (
-)
   button to deactivate the TEMPERATURE LOCK
feature.
SPA LOCK
The SPA LOCK feature deactivates all of the
functions of the control panel. It is generally
used to prevent unwanted use of the spa. The
SPA LOCK menu is a submenu of the TOOLS
menu.
To activate the SPA LOCK, press the MODE ( or ) button in
the TOOLS submenu until SLOK- is displayed on the screen. Press the
(
+)
button to activate the SPA LOCK feature.
When the SPA LOCK is activated, the buttons for the jets, temperature
control, light, and any other features your spa may have are deactivated. If
Jets, Light button, or
(
+)
or
(
-)
button
is pressed, the
SLOK
will display for
several seconds, then turns off.
To deactivate the SPA LOCK, press the MODE ( or ) button in
the TOOLS submenu until the SLOK+ symbol is displayed on the screen.
Press the (
-)
button to deactivate the SPA LOCK feature.
LOCK OVERRIDE
The Lock Override feature is for spa users who normally keep the
set temperature locked. Should the user wish to lock all spa controls
temporarily, the spa lock can be applied over an already-applied
temperature lock. Then, when the spa lock is removed, the temperature
lock will remain on to prevent unwanted tampering with the set
temperature.
LIGHT - MULTI-COLOR MENU
CONTROLS
(AVAILABLE ON SOME
MODELS)
Your spa lights can display a variety of different colors as well as run
through a continuous sequence of colors (loop) at different speeds. To
activate this function the following is required:
Press the MODE ( or ) button to scroll to the TOOLS screen. Once
displayed, press the (
+)
button to enter the TOOLS submenu. Press the
MODE ( or ) button to scroll to LIGHT screen, press the (
+)
button to
enter DIM, screen. Press the (
+)
button or (
-)
button in the DIM screen to
adjust the brightness of the lights. Press the MODE () button to scroll
to Color screen. Press the (
+)
button or (
-)
button in the COLOR screen
as many times as desired to toggle through the different light colors.
Press the MODE () button to scroll to Loop screen. Press the (
+)
button
or (
-)
button in the LOOP screen to select a continuous sequence of
colors, the higher the loop number the faster the color sequence will run.
Press the MODE () button to scroll to EXIT screen. Press the (
+)
button
in the EXIT screen to exit the LIGHT menu.
If the light is turned off while in the LOOP or COLOR mode, the same
mode will exist when the light is reactivated. You will see a flashing light
icon whenever your LOOP mode and light are turned on.
SLEEP MODE
The Sleep Mode operation is a feature that minimizes
pump operation during quiet evening hours. For example, if Filter Cycle
1 (F1) is set to activate at 8:00 a.m., by default, Filter Cycle 2 (F2) will
activate at 8:00 p.m. (12 hours later). During 8:00 p.m. to 8:00 a.m., if
the spa should call for heat, the pump and heater will activate to heat the
19
Operating Instructions
Operating Instructions
spa under normal temperature demand. However, when in Sleep Mode,
should the spa call for heat, the pump and heater
will be suspended after
Filter Cycle 2 (F2) until the activation of Filter Cycle 1 (F1), at 8:00 a.m. to
minimize pump activation during quiet evening hours.
Important: Power-up of the spa starts the F1 sequence. In order for the
sleep mode to work in the evening hours, the spa must be powered up in
the early morning hours. The Sleep Mode will always be active the 6-12
hours between the end of (F2) and the beginning of (F1) depending on
how the filter cycle program is set.
Note: If temperature drops below 27º C (80º F), heater will automatically
activate to prevent spa from freezing.
To activate Sleep Mode feature:
A. Press the MODE ( or ) button until
the TOOLS screen is displayed.
B. Press the (
+)
button to enter the TOOLS
submenus.
C. Press the MODE ( or ) button until ECON is displayed.
D. Press the (
+)
button to activate Sleep Mode. Moon & Stars icon will
appear on the screen of the control panel, indicating this feature has
been activated.
To deactivate this feature, simply repeat steps A-C then press the (
-)
button.
FILTER CYCLES
When the spa is first powered up, the automatic filter cycle will wait 10
minutes before starting. Your spa will automatically turn the first filter cycle
on for 60 minutes on low speed. The second filter cycle will activate for
30 minutes, 12 hours later. The filter cycle icon, F1 or F2 will be displayed
in the control panel during the filter cycle.
NOTE: The optional ozone system only works d uring the filter cycle.
To modify the length of either filter cycle:
A. Press the MODE ( or ) button until the TOOLS menu is
displayed.
B. Press the (
+)
button to enter the TOOLS
submenus.
C. Press the MODE ( or ) button until
FILT1 or FILT2 is displayed.
D. Press the (
+)
button to enter FILT1 or
FILT2. F1 or F2 icon will flash.
E. Using the (
+)
or the (
-)
button, adjust the
desired filter cycle time, from 0 to 6 hours.
F. Press the MODE () button in FILT1 to go to the RESET screen.
Press the (
+)
button if you want to reset the filter 1 starting time to
the current time or press the MODE () button to go the the EXIT
screen. Press the (
+)
button in the EXIT
screen to go to the FILT2 screen.
The filter cycle will activate the jet pump on low
speed for the entire cycle. When activated, the
filter cycle icon on the display is turned on. If
the temperature exceeds the set point by three degrees F for more than
three hours, the system will cancel the filter cycle for the remaining filter
cycle time. Should the temperature cool down to 1°C (1.5°F) below the
set point before the end of the cycle, the cycle will resume for the rest of
the time. Should you use the spa during the filter cycle by placing the jet
pump on high speed, the Filter icon and Jets icon will be on. Once the
jet pump has been shut off, a ten minute tranquil mode begins (Filter &
Jet icons are off during tranquil mode while F1 or F2 remain lit). The Filter
and Jet icons will come back on once the tranquil mode ends if the filter
cycle timer is still on.
BRIGHTNESS - LCD
If you would like to change the brightness of the Control Panel screen:
A. Press the MODE ( or ) button until
the TOOLS menu is displayed.
B. Press the (
+)
button to enter the TOOLS
submenus.
C. Press the MODE ( or ) button until LCD is displayed.
D. Press the (
+)
button to enter into the LCD menu.
E. Using the (+) or the (-) button, adjust the desired screen brightness.
AUDIO MENU (OPTIONAL)
The following applies to spas that have an optional wireless audio system
installed:
When the wireless audio system has been installed on the spa, the
control panel can be used to control the audio system. The following
information demonstrates how to navigate the music menu by using the
spa’s control panel.
AUDIO MENU
Once the music system is installed, an AUDIO
menu will be accessible on the control panel
screen.
To access the menu, press the MODE ( or )
button until AUDIO is displayed.
BASIC CONTROL PANEL OPERATION
1. To enter into a sub-menu press the (
+)
button.
2. To move to the next menu press the MODE () button
3. To exit from any sub-menu, press
MODE ( or ) button
as many
times as necessary until EXIT is displayed then press
the (
+)
button
to exit that sub-menu.
TO TURN AUDIO SYSTEM ON/OFF
From the AUDIO screen:
1. Press the (
+)
button to display POWR -.
2. Press the (
+)
button to display POWR +
and turn the audio system ON. Press the
(
-)
button to
display PWR - and turn the audio system OFF.
IMPORTANT: The power can take a few seconds to turn on or off.
TO PAIR BLUETOOTH
On your device, find My Spa BTXR. If you DO NOT see this, another
device may already be connected (see To Disconnect Bluetooth on
following page).
1. Press the MODE ( or ) button until the SETUP screen is
displayed.
2. Press the(
+)
button to display one of three audio sources, BLUE,TV,
AUX in the setup menu. Bluetooth should be selected.
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21
3. Press the MODE ( or ) button until the PAIR+ screen is displayed.
4. Press the (
+)
button followed by pressing "connect" next to My Spa
BTXR on your device to pair.
After pairing, you will be ready to use your Bluetooth device. Only one
paired Bluetooth device will work at a time.
TO ADJUST VOLUME
From the AUDIO screen:
1. Press the (
+)
button to display POWR.
2. Press the MODE () button to display VOL.
3. Press the (
+)
button to increase volume and
the (-)button to decrease volume.
NOTE: Volume range is from 0-40. No number displayed indicates
Volume is OFF.
TO PAUSE/PLAY
From the AUDIO screen:
1. Press the the (
+)
button to display POWR.
2. Press the MODE ( or ) button until
PLAY is displayed.
3. Press the (
+)
button to start the song or the (-) button to pause the
song.
TO CHANGE TRACK
From the AUDIO screen:
1. Press the the (
+)
button to display POWR.
2. Press the MODE ( or ) button until
TRACK is displayed.
3. Press either (
+)
button or (-) button to change the track (song).
TO GO TO SETUP MENU
From the AUDIO screen:
1. Press the (
+)
button to display POWR.
2. Press the MODE ( or ) button until SETUP is displayed.
TO CHANGE AUDIO SOURCE
From the SETUP screen:
1. Press the (
+)
button to display one of three
audio sources, BLUE,TV, AUX.
2. Press the (
+)
button to raise to the next
source or press the (
-)
button to lower to the
next source. Go to the source you will be using.
NOTE: Blue = Bluetooth®. To use the Bluetooth screen, your audio
Bluetooth device must be paired with the spa.
TO ADJUST TREBLE
From the SETUP screen:
1. Press the (
+)
button to display one of three audio sources,
BLUE,TV, AUX.
2. Press the MODE ( or ) button until
TRE -5 to +5 is displayed.
3. Press (
+)
button to raise the Treble or
press (
-)
button to lower the treble.
TO ADJUST BASS
From the SETUP screen:
1. Press the (+) button to display one of three
audio sources, BLUE,TV, AUX.
2. Press the MODE ( or ) buttonuntil
BAS -5 to +5 is displayed.
3. Press (+) button to raise the Bass or press (-) button to lower the Bass.
TO ADJUST BALANCE
From the SETUP screen:
1. Press the (+)button to display one of
three audio sources, BLUE,TV, AUX.
2. Press the MODE ( or ) button until BAL -5 to +5 is displayed.
3. Press (
+)
button to raise the Balance # or press (
-)
button to lower
the Balance #.
TO ADJUST SUBWOOFER
From the SETUP screen:
1. Press the (+) button to display one of three
audio sources, BLUE,TV, AUX.
2. Press the MODE ( or ) button until
SUB 0 to 11 is displayed.
3. Press (
+)
button to raise the subwoofer # or press (
-)
button to lower
the subwoofer #.
TO PAIR BLUETOOTH DEVICE
From the SETUP screen:
1. Press the (+) button to display one of three
audio sources, BLUE,TV, AUX.
2. Press the MODE ( or ) button until
PAIR is displayed.
3. Press (
+)
button followed by pressing "connect" next to My Spa
BTXR on your device to pair.
4. Press the MODE () button to display the signal
strength (0-5) between your device and the spa.
TO DISCONNECT
BLUETOOTH (RESET)
From the SETUP screen:
1. Press the (+) button to display one of three
audio sources, BLUE,TV, AUX.
2. Press the MODE ( or ) until RSET+
is displayed.
3. Press (
+)
button to disconnect any device using the spa music
system so that another paired device may be used. This is also
necessary when trying to pair multiple devices because pairing
is NOT possible when another device is connected to the music
system.
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Operating Instructions
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System 1
a. 2 ADAPTAFLO Jets
b. ACQUARELLA Waterfall
c. 4 Euro Jets in Lounge (calf area)
d. 1 ADAPTAFLO Jet, 2 ADAPTASSAGE
Jets and 4 Euro Jets
in Lounge
e. 2 Euro Jets and 1 ADAPTAFLO Jet
System 2
a. 10 Euro Jets
b. 4 Euro Jets and 2 ADAPTASSAGE Jets
c. 2 ADAPTAFLO Jets and 1 Euro Jet
d. 4 Euro Jets in footwell
System 1
a. 8 Euro Jets
b. 2 ADAPTAFLO Jets
c. ACQUARELLA Waterfall
d. 3 Euro Jets
e. 2 Euro Jets in footwell
f. 2 Euro Jets and 1 ADAPTAFLO Jet
System 2
a. 4 Euro Jets and 2 ADAPTASSAGE Jets
b. 4 Euro Jets in Lounge (calf area)
c. 2 Euro Jets and 1 ADAPTAFLO Jet and 2 ADAPTASSAGE
in Lounge
d. 2 Euro Jets in footwell
a
c
d
b
e
a
c
d
b
a
c
d
b
e
f
a
c
d
b
Jet Menus
Jet Menus
PALATINO
MARINO
23
System 1
a. 8 Euro Directional Jets
b. 1 ADAPTASSAGE Jet
c. 2 ADAPTAFLO
Jets in lounge
d. 1 ACQUARELLA Waterfall
e. 4 Euro Directional Jets in Lounge (calf jets)
f. 2 ADAPTAFLO Jets and 3 Euro Directional Jets in
lounge
g. 1 ADAPTASSAGE Jet
h. 2 Euro Directional Jets in footwell
System 1
a. 8 Euro Directional Jets
b. 1 ADAPTAFLO Jet
c. 2 Euro Directional Jets
d. 2 ADAPTAFLO Jets
e. 1 ADAPTASSAGE
Jet
f. 4 Euro Directional Jets in Lounge (calf jets)
ac
d
b
e
f
gh
ac
d
b
ef
CAPITOLO
CELIO
JET MENU
Jet Menus
24 Jet Menus
System 1
a. 2 Euro Jets
b. 3 ADAPTAFLO Jets
c. 2 Euro Jets in arm rests
d. 4 Euro Jets
e. 2 ADAPTAFLO Jets
f. 1 ADAPTAFLO Jet
a
c
d
be
f
c
AVENTINE
JET MENU
System 1
a. 8 Euro Jets
b. ACQUARELLA Waterfall
c. 3 Euro Jets
d. 6 Euro Jets and 1 ADAPTAFLO Jet
e. 4 Euro Jets in footwell
System 2
a. 2 ADAPTAFLO Jets
b. 4 Euro Jets and 2 ADAPTASSAGE Jets
c. 2 Euro Jets, 2 ADAPTAFLO Jet and 1 ADAPTASSAGE
a
c
d
b
e
a
c
b
VANTO
25
Water Quality and
Maintenance
BASIC INFORMATION
It’s important to have clean water. Water maintenance is one of the least
understood, yet most important, areas of spa ownership. Your dealer can
guide you through the process of achieving and maintaining balanced
water in your spa, given your local conditions.
IMPORTANT: Water Terminology can be found at the end of this section.
Always read & refer to the owner's manual for complete
information.
Test your water with a test strip once a week, or each time the spa
is used.
Add chemicals in frequent small amounts to prevent overdosing the
spa.
Use the spa only when the chlorine level is between 1-5 ppm or
manually add chlorine as needed.
It is the spa owner's responsibility to prevent over or under
chlorination.
IMPORTANT: Remember to change your water every three to four
months. Check with your CALDERA dealer to determine if water
in your region has unique qualities - such as high metal or mineral
content - that should be addressed.
Your program will depend on your waters mineral content, how often you
use your spa, and how many people use it.
WATER QUALITY CHART
PARAMETER TARGET MIN - "OK" RANGE - MAX
pH 7.4 7.2 7.8
ALKALINITY 80 ppm 40 ppm 120 ppm
HARDNESS 100 ppm 75 ppm 150 ppm
CHLORINE 3 ppm 1 ppm 5 ppm
Maintaining the water quality and the cleanliness of the filters in your spa
is your responsibility. Keeping the spa water balanced prolongs the life
of the spa components and will make the water more comfortable. Your
dealer can guide you through the process of achieving and maintaining
perfect water in your spa, given your local conditions. Your program will
depend on your waters mineral content, how often you use your spa, and
how many people use it. Watkins Wellness has developed several water
care systems and products to simplify water care which are available
from authorized CALDERA dealers.
FROG Water Care System Vanishing Act
Calcium Remover
CALDERA products FRESHWATER 5-way Test Strips
CLEAN SCREEN Prefilter
CHEMICAL SAFETY
When using chemicals, read the labels carefully and follow directions
precisely. Though chemicals protect you and your spa when used
correctly, they can be hazardous in concentrated form. Always observe
the following guidelines:
Allow only a responsible person to handle spa chemicals. Keep them
out of the reach of children.
Accurately measure the exact quantities specified, never more. Do
not overdose your spa.
Handle all containers with care. Store in a cool, dry, well ventilated
place.
Always keep chemical containers closed when not in use. Replace
caps on their proper containers.
Don't inhale fumes, or allow chemicals to come in contact with your
eyes, nose, or mouth. Wash your hands immediately after use.
Follow the emergency advice on the product label in case of
accidental contact, or if the chemical is swallowed. Call a doctor
or the local Poison Control Center. If a doctor is needed, take the
product container along with you so that the substance can be
identified.
Don't let chemicals get on surrounding surfaces or landscaping.
Don't use a vacuum cleaner to clean up chemical spills.
Never smoke around chemicals. Some fumes can be highly
flammable.
Don't store any chemicals in the spa equipment compartment.
HOW TO ADD CHEMICALS
TO THE WATER
IMPORTANT: All spa water chemicals (other than FROG cartridges),
must always be added directly into or in front of the filter compartment
while a jet pump is running, and it must run for a minimum of ten minutes.
TO ADMINISTER SPA WATER
CHEMICALS:
1. Fold back the cover and remove the filter compartment cover.
2. To activate the Clean Cycle, press the soft button next to Clean on
the Home Screen.
3. Carefully measure the recommended amount of chemical and
slowly pour it over the filter basket area. Use care not to splash
chemicals on your hands, in your eyes, on the spa sheet surface, or
on the siding.
4. Replace the filter compartment cover and close the spa cover.
Risk of Drowning: Never leave an open spa unattended!
WARNING: High sanitizer levels can cause discomfort to the users
eyes, lungs and skin. Always allow the sanitizer level to fall to the
recommended range before using the spa.
IMPORTANT “SUPER CHLORINATION/NON-CHLORINE SHOCK
TREATMENT” NOTE: After administering a super chlorination
treatment or non-chlorine shock to your spa, leave the cover open
for a minimum of 20 minutes to allow the oxidizer gas to vent. A
high concentration of trapped oxidizer gas which may exist as a
result of the shock treatment (not daily sanitation) may eventually
cause discoloration or vinyl degradation to the bottom of the
cover. This type of damage is considered chemical abuse and is
not covered under the terms of the limited warranty.
Water Quality and Maintenance
Water Quality and Maintenance
26
FUNDAMENTALS OF WATER
MAINTENANCE
Testing: Test the water weekly or each time the spa is used with
convenient 5-way test strips or more accurate liquid/tablet reagent
test kit per instructions. Critical parameters: sanitizer level, pH,
Calcium Hardness (CH), and Total Alkalinity (TA). Store test
equipment in a dark, cool, dry place to maintain potency.
Water Filtration: The filtration used in CALDERA spas helps keep
water clean by circulating sanitizer and removing waste from the
spa. Regularly inspect and clean filters for peak performance.
Chemical Balance/pH Control: It is important to adjust the primary
water parameters (Total
Alkalinity, Calcium hardness,
pH) into the recommended
ranges so that they are
stabilized or balanced.
Balance the water chemistry
every time you fill the spa
with new water and then
during the life of that body of
water. Keeping the water in
balance prevents damage
by holding the pH in a safe
range and preventing calcium
scale formation on spa equipment. A low pH can damage
metal components whereas a high pH can cause high levels
of calcium to form scale. Your dealer should provide a detailed
water chemistry orientation soon after your new spa is filled for the
very first time.
The following three water components must be kept in balance to
avoid damage to the spa. Do balance these components in the
order they are listed here as each will help you balance the next
using a minimum amount of chemicals.
1. Calcium Hardness (CH) – CH is the measure of the amount of
dissolved calcium in the water. Low levels can make the water
corrosive and high levels cause scale formation of spa components.
The recommended CH reading is between 75 - 150 ppm. If the
CH level is too high, lower it with the VANISHING ACT calcium
remover per instructions. Once in balance, the CH reading normally
remains stable until new water is added. Great care must be taken
when filling the spa from a water softener to ensure that the calcium
remains in balance and avoid damage to the spa.
2. Total Alkalinity (TA) - TA is a measure of the water’s ability to resist
changes of pH or buffer capacity. A low TA allows the pH to
fluctuate easily. The recommended TA reading is between 40 - 120
ppm. To raise the TA, use pH/Alkalinity Up (sodium hydrogen
carbonate). To lower the TA, use pH/Alkalinity Down (sodium
bisulfate). Once the TA is balanced, it normally remains stable until
the next drain/refill. We recommend you check the TA reading once
per month. Raising/lowering the TA may cause the pH readings to
fluctuate widely. Ignore the pH readings on the test strip while you
are balancing the TA.
3. pH - The pH is the measure of the acidity and alkalinity. Maintaining
the proper pH level will optimize the effectiveness of the sanitizer,
preventing damage to the spa and physical discomfort for spa users.
A low pH dissipates sanitizer, causes corrosion, and irritates spa
users. A high pH level will neutralize sanitizer, promote scaling and
cloud water. The recommended pH reading is between 7.2 - 7.8.
To lower the pH level, use pH/Alkalinity Down (sodium bisulfate). To
raise the pH level, use pH/Alkalinity Up (sodium carbonate).
Water Conditioners: Spa fill water varies from location to location
and user to user, therefore it is important to consult with your
dealer for an appropriate program.
a. VANISHING ACT – High levels of calcium and some minerals
can be removed from the water with the single use VANISHING
ACT. High calcium levels can cause scale formation on the spa
equipment and shell.
b. CLEAN SCREEN pre-filter –The CLEAN SCREEN pre-flter should
be used at every fill and top-off to remove contaminants from the
fill water, especially iron, copper, and manganese. Many water
sources including well water contain high concentrations of minerals
that can cause staining of the shell and plastics.
c. Stain and Scale control – For water high in calcium and minerals,
it may be necessary to use an anti-scalant like Stain and Scale
control. As water evaporates from your spa and new water is
added, the amount of dissolved minerals like calcium, copper, iron,
and manganese will increase. (Minimize evaporation by keeping the
cover on the spa whenever possible.) High iron or copper content in
the water may produce green or brown stains on the spa.
d. Foam Inhibitors - Soap is introduced into the spa water from users’
bodies and swimming apparel and can cause the spa water to foam
when the jets are used. Low levels of calcium hardness (soft water)
can increase foaming. Although ozone can oxidize soap residual,
it may become necessary to add Foam Inhibitors to suppress the
foam. Excessive soap in the water may require a water change to
resolve.
Oxidizers: Ozone and Monopersulfate (MPS) are oxidizers used to
prevent the buildup of contaminants, maximize sanitizer efficiency,
minimize combined chlorine, and improve water clarity. They are
to be used in conjunction with EPA registered sanitizers. The
high output ozone system uses Corona Discharge technology
to produce a high concentration of ozone which is injected
into the spa water 24 hours per day. Chlorine-Free Oxidizer,
Monopersulfate (MPS) is a granular oxidizing chemical.
Sanitizers: Maintaining the recommended residual level of an EPA
registered sanitizer at all times will decrease the occurrence of
unsafe bacteria and viruses in your spa water. The recommended
Free Available Chlorine (FAC), the amount of available chlorine
sanitizer, is 3.0-5.0 ppm. A low FAC can allow bacteria and
viruses to grow rapidly in the warm water, and a high FAC can
cause discomfort to the users eyes, lungs, and skin. Each
sanitizer carries its own instructions regarding how much to use
and when to add it to the spa water. Consult your dealer for their
recommendations and instructions on proper sanitizing of the spa.
Watkins recommends the following sanitizer:
FROG sanitizing system (mineral and bromine)
Watkins also approves the following sanitizers:
Sodium Dichloro-s-Triazinetrione (sodium dichlor or chlorine)
Biguanide
WARNING: DO NOT use tri-chlor chlorine, bromo-chloro-dimethyl-
hydantoin (BCDMH), or any type of compressed bromine or chlorine, acid
or any type of sanitizer which is not recommended by Watkins Wellness.
FROG WATER CARE SYSTEM
The FROG Water Care system is comprised of the following two
products:
THE FROG MINERAL CARTRIDGE. This cartridge introduces minerals
into the spa water, inhibiting bacteria growth.
ALKALINE SPA
WATER
(SCALING
ZONE)
ADD pH
DECREASER
TO LOWER
pH
ADD pH
INCREASER
TO RAISE
pH
ACIDIC SPA
WATER
(CORROSIVE
ZONE)
COMFORT
ZONE IDEAL
27
THE FROG BROMINE CARTRIDGE (BCDMH). The only recommended
sanitizer that will work in conjunction with the FROG Mineral cartridge.
It is important that in addition to regularly testing and balancing your
spa water, a weekly "shock treatment" is required. The shock treatment
quickly destroys any remaining contaminants while revitalizing the
bromine in the water.
To weekly “shock treat” your spa, we recommend that you use MPS Plus.
The following optional products can be used in conjunction with the
FROG Water Care system:
MPS PLUS NON-CHLORINE SHOCK (MPS/Monopersulfate) is
an oxidizing chemical used to prevent the buildup of contaminants,
maximize sanitizer efficiency, and improve water clarity. When used in
conjunction with the FROG system it oxidizes particulates in the spa
water.
IMPORTANT NOTE: MPS Plus is an oxidizer, not a sanitizer.
CORONA DISCHARGE (CD) OZONE is a high output ozone system
and is the only ozone purification system approved for installation in
your CALDERA Spa. The ozone system utilizes CD technology to
produce a higher concentration of ozone than is produced by a
competing chip style CD or ultraviolet light ozone systems.
NOTE: Refer to the Start-Up instructions on page 4 of your FROG
owner's manual for start-up and operation instructions. The owner's
manual can be found with your FROG starter kit.
It is important to follow the recommended application and maintenance
programs outlined for each product’s use. If the spa is being used over an
extended period or time, such as a whole afternoon or evening, additional
sanitizer will be needed.
FROG CARTRIDGE REPLACEMENT
INSTRUCTIONS
The FROG bromine cartridge should be replaced every 2-4 weeks,
depending on User Load. The FROG mineral cartridge should be
replaced every 4 months. When replacing the mineral cartridge, it is
highly recommended that the spa be drained and refilled at the same
time. After refilling the spa with water, balance the Total Alkalinity (TA),
Calcium Hardness (CH) and pH to the recommended levels. Shock the
spa by adding MPS Plus non-chlorine shock or sodium dichlor (chlorine).
To replace FROG
cartridges, follow these steps:
1. Turn off power to the spa.
2. Unscrew FROG cap on top edge of spa.
3. Turn handle counter-clockwise.
4. Lift cartridge holder up and out of spa.
5. Remove and discard old cartridges.
6. Turn top cap of new Mineral cartridge to setting #6 (evaluate water
in 1 week and adjust as necessary).
7. Turn top cap of new bromine cartridge to setting #6 (measure
bromine with bromine Test Strip in 1 week and adjust as necessary).
8. Snap bromine cartridge into the bottom of holder and snap mineral
cartridge into the top.
IMPORTANT: It is important that the bromine cartridge is on
the bottom; otherwise, the bromine cartridge could dispense
prematurely.
9. Reinstall cartridge holder into spa, push down, and twist clockwise.
10. Replace FROG cap.
11. Reconnect power to the spa.
IMPORTANT NOTE: Adjust bromine cartridge setting down by one
setting each day until a residual of 1.0 - 2.0 ppm level of bromine is
established.
WARNING:
High sanitizer levels can cause discomfort to the users
eyes, lungs and skin. Always allow the sanitizer level to fall to the
recommended range before using the spa.
THE CALDERA SPA WATER
MAINTENANCE PROGRAM
FILLING THE SPA WITH WATER
Use the CLEAN SCREEN pre-filter to remove unwanted contaminants
such as rust, dirt, detergents, and algae from the fill water. Dissolved
metals, copper, iron, and manganese are also removed. Instructions are
included with the CLEAN SCREEN pre-filter. Always fill the spa through
the filter compartment. Do not fill your spa using water from a swimming
pool as pool
chemicals are very different from those used in a spa and
can damage your spa.
ADDING CHEMICALS TO THE WATER
All spa water chemicals, including granulated dichlor, MPS, granulated
pH increaser or decreaser, granulated total alkalinity increaser, liquid stain
and scale inhibitor, and liquid defoamer must always be added directly
into the filter compartment while the jet pump is running in its high speed
mode, and it must run for a minimum of ten minutes with the cover off.
Use the Clean button/feature to ensure that the chemicals are properly
mixed when adding.
BUILDING A SANITIZER ROUTINE
During the first month of ownership, measure the sanitizer residual
daily in order to establish a baseline of sanitizer needed vs. spa usage.
Sanitizer needed is the amount of Free Available Chlorine needed to
accommodate the number of users and their combined usage time. For
example, two spa users for twenty minutes every day creates regular
demand on the sanitizer that is used to determine how much sanitizer
to add in order to maintain the proper residual. If the usage pattern
increases dramatically with invited guests, the amount and frequency of
sanitizer required increases dramatically.
PERFORMING SUPER CHLORINATION/
NON-CHLORINE SHOCK TREATMENT
A weekly or monthly super chlorination (1.5 tsp dichlor/950 liters/ 250
gallons) or shock (4tbs mps/950 liters/ 250 gallons) may be required of
your chosen sanitation program. Increasing chlorine to 5 ppm for 24-48
hours removes excess waste and chloramines from the water. Sodium
dichlor is 6x stronger than MPS and may be a more appropriate for those
users that experience heavy bather load conditions. Operate all jets and
leave the cover open for a minimum of 20 minutes to allow the oxidizer
gas to vent to prevent damage and discoloration to the cover and pillows
after administering a super chlorination or shock to your spa. This type
of damage is considered chemical abuse and is not covered under the
terms of the limited warranty.
IMPORTANT
: Always allow the Free Available Chlorine to fall below 5
ppm before using your spa.
DANGER: Never leave an open spa unattended, especially if there
are children present!
Water Quality and Maintenance
Water Quality and Maintenance
28
MANUAL CHLORINE (SODIUM DICHLOR)
Watkins Wellness recommends the use of
Concentrated Chlorinating
Granules (sodium dichlor) for sanitizing the water. Sodium dichlor is
preferred because it is totally soluble, dissolves quickly, and is nearly pH
neutral. The recommended Free Available
Chlorine (FAC), the amount of
available chlorine sanitize the spa, 3.0-5.0 ppm.
If the FAC is too low: Increase the FAC by adding granulated sodium
dichlor.
If the FAC is too high: Allow time to pass and the FAC level will
naturally drop over time.
If the spa smells of chlorine: super chlorinate or shock the spa FAC
chlorine does not have an odor whereas combined spent chlorine
(chloramines) has a strong chlorine odor that can be eliminated by
shocking the water.
IMPORTANT: There are several forms of stabilized chlorine available for
use in spas and swimming pools. It is extremely important to choose one
specifically designed for spas. Use of an incorrect product such as tri-
chlor which has a very low pH (2.6) and dissolves too quickly in hot water,
results in extremely high levels of chlorine that WILL cause damage to
your spa. Use of a compressed bromine/chlorine or unapproved sanitizer
WILL damage your spa and is specifically not covered under the terms of
the limited warranty.
Water chemistry damage is not covered by the warranty. The chemical
levels and water quality in the spa are under your direct control. With
proper basic care, the spa will provide many years of hot water relaxation.
If you are unsure about any chemical or its usage in the spa, contact your
Authorized Dealer, or Watkins Wellness.
DO:
Add all chemicals slowly into the filter compartment with the jet pump
operating for ten minutes.
Use special care if using baking soda to clean either the interior or
exterior plastic surfaces.
IMPORTANT: Watkins Wellness DOES NOT recommend the use of any
floating chemical dispenser. Damage to the spa shell or components
caused by a floating chemical dispenser is specifically not covered under
the terms of the limited warranty. Floating dispensers can become
trapped in one area and cause an over-sanitization or release large
chunks of sanitizer that very quickly chemically burn the shell and cover.
DON'T:
Use compressed sanitizers.
Use a floater type sanitization system as a low or no maintenance
solution to your spa maintenance program.
Use a sanitizer which is not designed for spas.
Use swimming pool (muriatic) acid to lower pH.
Broadcast or sprinkle the chemicals onto the water surface. This
method may cause chemically-induced spa surface blistering
(chemical abuse).
OZONE MAINTENANCE (OPTIONAL)
If Reduced or no ozone bubbles are coming from the heater return
(clogged ozone injector) or no ozone, clean the injector:
DANGER: Nitric acid accumulates in the air lines of the ozonator
and injector, and will cause severe chemical burns if direct skin contact is
made. Always wear protective gloves, glasses and clothing when working
on the ozonator or injector lines. To prevent inhalation or ingestion of the
nitric acid, DO NOT blow or inhale with your mouth to any of the
adapters, fittings or tubing of the ozonator or injector air lines.
1. Place 0.5 liter of white vinegar into a cup or bucket.
2. Carefully loosen the long tubing attached to the bottom of the
ozonator, located in the equipment compartment.
3. Place the end of the tubing into the vinegar, making certain that the
end of the tubing sits at the bottom of the container.
4. Run the spa until all 0.5 liter of the vinegar are gone. This should
allow
an ample flow of vinegar to be run through the injector and clear
the blockage.
5. Reinstall the tubing to the bottom of the ozonator.
VACATION WATER CARE
INSTRUCTIONS
If you plan to be away from home, follow these instructions to ensure that
the water quality of your spa is maintained:
SHORT TIME PERIODS (3-5 DAYS)
1. Adjust the pH by following the instructions outlined in the Water
Quality and Maintenance section.
2. Sanitize the water by following the shock procedures also listed in the
Water Quality and Maintenance section.
3. Lock your cover in place using the coverlocks.
4. Upon your return, sanitize the water by following the shock
procedures, and balance the pH.
LONG TIME PERIODS (5-14 DAYS)
Prior to leaving:
1. At least one day before you leave, set the temperature to its lowest
level. This setting should represent an approximate water temperature
of 27°C (80°F)
IMPORTANT: Spa water oxidizers such as sodium dichlor (chlorine)
maintain their level of effectiveness substantially longer in warm water
27°C (
80°F
)
than in hot water 38°C - 40°C (101°F to 104°F).
2. Adjust the pH as required. Sanitize the water by following the shock
procedures.
Upon your return:
3. Sanitize the water by following the shock procedures. Return the set
temperature to its original setting. The spa water will be safe for you
to use once the Free Available Chlorine residual level has dropped
below 5.0 ppm.
IMPORTANT: If you will not be using your spa for an extended period
of time (in excess of 14 days) and an outside maintenance service (or
neighbor) is not available to assist with the water maintenance, draining
or winterizing of the spa is recommended.
29
SUPPLEMENTAL WATER MAINTENANCE
Proper water sanitation and mineral balance (pH control) are absolutely
essential for a complete spa water maintenance program. Here are two
other popular water additives that are optional:
Mineral Deposit Inhibitors
As water evaporates from your spa and new water is added, the amount
of dissolved minerals will increase. (Minimize evaporation by keeping
the cover on the spa whenever possible.) The spa water may eventually
become “hard” (Calcium Hardness too high) enough to damage the
heater by calcifying its surface. Proper pH control can minimize this.
Normal soap build-up will require water replacement regularly enough
that mineral deposits normally are not a problem.
Occasionally, high iron or copper content in the water may produce green
or brown stains on the spa. A stain and scale inhibitor may help to reduce
these metals.
IMPORTANT: Well water may contain high concentrations of minerals.
The use of a low water volume, extra-fine pore water filter (in-line pre-
filter such as the CLEAN SCREEN pre-filter) will help to remove many of
the larger particles during the filling of the spa. In-line pre-filters can be
purchased at your local CALDERA dealer.
Foam Inhibitors
Spa water requires changing due to the buildup of soap in the water.
Typically, soap will cause the spa water to foam when the jets are used.
Soap is introduced into the spa water from two sources: users’ bodies,
which retain a soap residual after showering, and swimming apparel,
which retains soap after washing.
Foam inhibitors can suppress foam, but cannot remove soap from the
water. Soap is very difficult to remove from the water because soap is not
oxidized by any chemical added to the spa. Only ozone can oxidize soap.
Eventually the soap build-up in the water will be concentrated, resulting
in an unclean feeling on the bathers skin, which is impossible to remedy.
When this occurs, it’s time to drain and refill the spa. Depending on the
soap input, the water should last about four months before needing to be
drained.
WATER TERMINOLOGY
The following chemical terms are used in this Water Quality and
Maintenance section. Understanding their meaning will help you to better
understand the water maintenance process.
Bromamines: Compounds formed when bromine combines with nitrogen
from body oils, urine, perspiration, etc. Unlike chloramines, bromamines
have no pungent odor, and are effective sanitizers.
Bromine: A halogen sanitizer (in the same chemical family as chlorine).
Bromine is commonly used in stick, tablet, or granular form.
Calcium Hardness: The amount of dissolved calcium in the spa water.
This should be approximately 50 -150 ppm. High levels of calcium can
cause cloudy water and scaling. Low levels can cause harm to the spa
equipment.
Chloramines: Compounds formed when chlorine combines with nitrogen
from body oils, urine, perspiration, etc. Chloramines can cause eye
irritation as well as having a strong odor. Unlike bromamines, chloramines
are weaker, slower sanitizers.
Chlorine: An efficient sanitizing chemical for spas. Watkins Wellness
recommends the use of sodium dichlor-type granulated chlorine. This
type is preferred because it is totally soluble and nearly pH neutral.
Chlorine (or Bromine) Residual: The amount of chlorine or bromine
remaining after chlorine or bromine demand has been satisfied. The
residual is, therefore,
the amount of sanitizer which is chemically available to
kill bacteria, viruses and algae.
Corrosion: The gradual wearing away of metal and plastic spa parts,
usually caused by chemical action. Generally, corrosion is caused by low
pH or by
water with levels of TA, CH, pH or sanitizer which are outside the
recommended ranges.
Halogen: Any one of these five elements: fluorine, chlorine, bromine,
iodine, and astatine.
MPS: Monopersulfate is the non-chlorine oxidizer used with the
FRESHWATERAg+ silver ion purification system. Not a sanitizer.
Nitric Acid: The formulation of nitric acid, a highly corrosive chemical,
is a byproduct of the ozone generating process. Nitric acid is produced
in very small quantities and is readily dissolved in the water stream with
ozone.
Oxidizer: The use of an oxidizing chemical is to prevent the buildup of
contaminants, maximize sanitizer efficiency, minimize combined chlorine
and improve water clarity. See MPS and Ozone.
Ozone: Ozone is a powerful oxidizing agent which is produced in nature
and artificially by man. Ozone forms no byproducts, oxidizes chloramines,
and will not alter the waters pH.
pH: The measure of the spa water’s acidity and alkalinity. The
recommended pH for the spa water is 7.2 to 7.8. Below 7.0 (considered
neutral), the spa water is too acidic and can damage the heating system.
Above 7.8, the water is too
alkaline and can result in cloudy water, and
scale formation on the shell and heater.
ppm: The abbreviation of “parts per million”, the standard measurement
of chemical concentration in water. Identical to mg/l (milligrams per liter).
Reagent: A chemical material in liquid, powder, or tablet form for use in
chemical testing.
Sanitizer: Sanitizers are added and maintained at recommended
residuals to protect bathers against pathogenic organisms which can
cause disease and infection in spa water.
Scale: Rough calcium-bearing deposits that can coat spa surfaces,
heaters, plumbing lines, and clog filters. Generally, scaling is caused by
mineral content combined with high pH. Additionally, scale forms more
readily at higher water temperatures.
Sodium Hypochlorite (Liquid chlorine/bleach): Unstabilized (without
cyanuric acid) chlorine in liquid form. Very effective however it has a very
high pH and requires acid adjustment to maintain water parameters.
Never add acid directly to chlorine.
Super-Chlorination: Also known as “shock treatment.” Super-
Chlorination is a process of adding significant doses of a quick dissolving
sanitizer (“dichlor” is recommended) to oxidize non-filterable organic
waste and to remove chloramines and bromamines.
Total Alkalinity (TA): The amount of bicarbonates, carbonates, and
hydroxides present in spa water. Proper total alkalinity is important for pH
control. If the TA is too high, the pH is difficult to adjust. If the TA is too
low, the pH will be difficult
to hold at the proper level. The desired range of
TA in spa water is 40 to 120 ppm.
Water Quality and Maintenance
30
Spa Care and Maintenance
Your CALDERA spa is manufactured from the highest quality, most
durable materials available. Even so, the spa care and maintenance
program you develop will ultimately determine how long your spa, and its
individual components, will last. Regular maintenance and following the
advice in this section will help you to protect your investment.
DRAIN & REFILL INSTRUCTIONS
IMPORTANT: It is NOT recommended to refill your spa when the ambient
temperature goes below 10° C (50° F).
1. Disconnect the spa from the power supply by tripping the RCD
breaker located in the subpanel.
2. Locate the drain valve for the spa (lower front of the spa) and
remove the drain cap. Attach the inlet of a garden hose to the drain
valve (to avoid flooding of the foundation surrounding the spa) and
route the outlet of the hose to an appropriate draining area. Spa
water with a high sanitizer level may harm plants and grass.
3. Open the drain valve by turning the knob. The spa will drain by
gravitational flow.
IMPORTANT: All CALDERA spa models will drain to the bottom of
the suction fitting, use vacuum side of shop vac to remove remaining
water. Any water remaining within the plumbing or equipment after
draining will only need to be removed if the spa is being winterized.
4. When empty, inspect the spa shell and clean as required. (Follow the
Care of the Exterior instructions.)
5. Close the drain valve by reinstall the drain cap.
6. Install new filter or clean existing with a filter cleaner.
7. Refill the spa through the filter compartment using the CLEAN
SCREEN pre-filter
.
IMPORTANT: Refill water temperature must be between 10º -21º C
(50° - 70° F) to avoid high-limit tripping.
8. Follow the Quick Start-Up instructions on page 14.
COLD WATER REFILL
Should it be necessary to drain and refill your spa in temperatures
below 10° C (50° F), the spa may go into a High Limit Protection mode
(causing your spa to stop functioning) if the tap water is below
10° C (50° F). Blending warm water with the cold tap water so it
exceeds 10° C (50° F) during the refilling process will prevent the spa
from going into the High Limit Protection mode if that is an option for you.
PREVENTION OF FREEZING
Your spa has been designed and engineered for year-round use in any
climate. In some areas, extremely cold temperatures
(below -12° C or 10° F) combined with strong wind, may cause partial
freezing of the jet pump, even though the water inside the spa remains
at the selected temperature. The energy efficiency of the spa may
also decrease during these cold periods, as the heater will cycle more
frequently. As an additional precaution against partial freezing of some of
the components, the equipment compartment can be insulated with an
insulating kit (available from your local dealer). This insulating kit will also
help to maximize the spa’s energy efficiency.
NOTE: When warmer weather returns (approx. 16°-21°C / 60-70°F), the
insulating kit must be removed to prevent overheating of the jet pump.
WINTERIZING YOUR SPA
If you leave the spa unused for a long period of time in severely cold
weather, you should drain the spa and winterize it to avoid accidental
freezing due to a power or equipment failure.
DANGER: Use only Propylene Glycol as your anti-freeze (available
at most RV or marine supply stores). This is non-toxic. Never use an
automobile anti-freeze (Ethylene Glycol) since it is toxic!
WARNING: Failure to follow these instructions correctly can lead to
freeze damage not covered by warranty. It is strongly recommended that
you contact your local CALDERA dealer to perform this service
1. Drain your spa following the Drain & Refill Instructions. Open
waterfall valve.
2. Remove the filter cartridge, clean and store in a dry place.
IMPORTANT: These additional instructions must be utilized when
draining and winterizing your spa in climates where the temperature
falls below 0°C (32°F). A 20 liters combination (vacuum/blower)
wet/dry shop vac must be used to effectively remove water that is
trapped inside the plumbing lines.
3. Attach the vacuum hose to the vacuum side of the shop vac.
Vacuum all openings and orifices as follows:
a. Jet openings: start with the jets at the top and move downward
(if suction is coming from another jet, block off the other jet
using a large rag this will help pull out the water that is trapped
deeper inside the main line).
b. Filter suction fittings and filter compartment.
c. Main drain outlet (it may be necessary to cover the drain grate
tightly with a rag when vacuuming the main drain to ensure
water is drawn completely from the internal plumbing system).
4. Thoroughly dry the spa shell with a clean towel.
5. Replace the main drain cap.
CAUTION: Use only Propylene Glycol as your anti-freeze. This is
non-toxic. Never use an automobile anti-freeze (Ethylene Glycol)
since it is toxic!
6. Using a long-extension funnel, pour anti-freeze into all standpipes,
filter suction fittings, jet orifices and water feature orifices. Add
enough anti-freeze to ensure adequate protection – in many cases,
you will see the liquid in the orifice, or coming out of another
location.
7. Close the spa cover and fasten the cover tie downs. Cover the spa
cover with two pieces of plywood to evenly distribute the weight of
snow and ice. Secure a plastic sheet, or tarp, over the spa cover
and plywood.
8. Replace the equipment access door, if removed.
Spa Care and Maintenance
31
OPENING INSTRUCTIONS:
1. Remove plywood and plastic sheet. Open the spa cover by
unfastening the cover tie downs.
2. Follow the Start-up and Refill Procedures in the Operating
Instructions section of the Owners Manual. Do not install filters to
prevent them from exposure to the anti-freeze.
3. As part of this process, superchlorinate the spa water by adding
three teaspoons of chlorine (sodium dichlor) per 950 liters (250
gallons) of spa water into the filter compartment. This is twice the
normal amount of chlorine needed for superclorination. This extra
amount of chlorine is needed to destroy the anti-freeze.
NOTE: A defoamer may be needed to decrease the amount of foam
caused by the anti-freeze.
4. Drain your spa to ensure removal of anti-freeze. Do not drain water
on grass or plants due to excessive chlorine level.
5. After the spa has completely drained, re-install your filter and follow
the Start-up and Refill Procedures in the Operating Instructions
section of the Owners Manual.
IMPORTANT: Always keep spa covered when not in use, whether it is
empty or full.
FILTER SYSTEM
The filter lid on the spa is NOT designed to support heavy weight loads
and should not be used as a seat. In extreme cases, the lid could crack
and break. This occurrence is considered abuse and is not covered under
the warranty.
CALDERA spas are equipped with one filter cartridge, sized to meet the
needs of the jet pump system.
At least once a week, check and clean the skimmer basket and weir to
ensure proper filter flow. Remove leaves, foreign matter, and debris. It is
very important to keep your spa filter cartridge clean and free of particles
to ensure proper water flow. A clean filter permits the hydrotherapy
system to function properly and also allows more efficient filter cycles.
Depending on how frequently your spa is used, we recommend cleaning
the spa filter cartridge every four weeks. If this is not done, the filter may
clog and restrict water flow, which causes improper filtration and poor jet
performance.
WARNING: To reduce the risk of injury to persons using the spa, DO
NOT remove the suction fittings (filter standpipes) located in the filter
compartment and do not sit on the filter lid, in extreme cases the lid could
crack and break. This occurrence is considered abuse and is not covered
under warranty.
SECONDARY SUCTION SCREEN
Located in the foot well of your spa are three secondary suction screens.
The screen is used as a filter to prevent dirt from circulating through the
system.
WARNING: Do not use the spa with the suction screens removed.
FILTER CARTRIDGES REMOVAL &
CLEANING (ALL MODELS EXCEPT
AVENTINE)
1. Disconnect the spa from the power supply by turning the power to
the spa OFF.
2. Remove any floating items from within the filter compartment.
3. Turn the filter retainer handle (located on the top of the filter cartridge)
counterclockwise until the retainer can be removed from the filter
standpipe.
4. Remove the filter retainer, cover and cartridge.
SERVICE NOTE: Never remove the filter standpipe when debris is present
in the filter compartment. Debris may find its way into the internal plumbing
which may result in blockage. NEVER REMOVE SUCTION FITTINGS!
5. Always clean the filter using a filter degreaser, such as Filter
Cleaner, to remove mineral and oil build-up. Simply soak the filter in
the degreaser according to the package directions, then place the
filter on a clean surface and spray until clean using a garden hose.
It may be necessary to rotate the filter while spraying to remove any
debris lodged between the filter pleats.
6. To reinstall the filter cartridge, reverse the order of steps in which it
was removed. Do not overtighten.
WARNING: Do not use the spa with the filter cartridge, or filter
standpipe removed!
FILTER
CARTRIDGE
STANDPIPE
RETAINER
HANDLE
ION SANITIZER
INSIDE STANDPIPE
FILTER
COVER
Spa Care and Maintenance
Spa Care and Maintenance
32
FILTER CARTRIDGES REMOVAL &
CLEANING FOR AVENTINE MODEL
1. Turn the power to the spa OFF, then proceed as follows:
2. Push down slightly and turn filter basket counterclockwise to unlock,
then pull the basket and weir out.
3. Carefully pull up the filter cartridge and bring it out of the spa.
4. Rinse cartridge using a garden hose. Rotate and separate filter
pleats while spraying water to remove all debris possible. Let the
filter dry and then look for calcium deposits (scaling) or an oil film. If
you find these, you will need to deep clean your filter cartridge with
a “spa filter cleaning” solution to break down and remove mineral
deposits and oils.
5. Install filter then replace basket and weir by inserting and rotating
clockwise to lock into position.
CARE OF THE SPA PILLOWS
The spa pillows will provide years of comfort if treated with care. They
have been positioned above the water level to minimize the bleaching
effects of chlorinated water, and other spa water chemicals. To extend
their life, whenever the spa shell is being cleaned, the spa pillows should
be removed and cleaned. Body oils can be removed with a mild soap
and water solution. ALWAYS rinse off the spa pillows thoroughly to
remove any soap residue. If the spa is not going to be used for a long
period of time (that is during a vacation, or if the spa is winterized), or
when the spa water is being super-chlorinated, the spa pillows should be
removed until the next spa use.
To remove and replace the spa pillows:
1. Carefully lift one end of the pillow away from the spa shell.
2. Continue lifting one end until all pillow retainers are released from
the pillow.
IMPORTANT: Just pulling the pillow straight up and out of the shell
recess will eventually damage the pillow. This abuse is not covered
under warranty.
3. To reinstall the spa pillow, carefully bend the pillow slightly to allow
one of the pillow retainers to slip into the recess in the back of the
pillow.
4. Keeping the pillow slightly bent, slide the other pillow retainer into
the recess in the back of the pillow.
5. After all the pillow retainers are in place, press the pillow down into
the recess in the spa shell.
CARE OF THE INTERIOR
SPA SHELL
Your CALDERA spa has an acrylic shell. Stains and dirt generally will not
adhere to your spa’s surface. A soft rag or a nylon scrubber should easily
remove most dirt. Most household chemicals are harmful to your spa’s
shell (see below for detailed information on cleaning agents). Always
rinse off any spa shell cleaning agent with fresh water.
IMPORTANT:
1. The following products are the ONLY approved cleaning agents
for your
CALDERA
spa shell: plain water,
CALDERA
Spa Shine,
Brillianize® or Soft Scrub®. The use of alcohol or any other
household cleaner other than those listed to clean the spa shell
surface is NOT recommended. DO NOT use any cleaning products
containing abrasives or solvents since they may damage the shell
surface, specifically: Simple Green®, Windex® or Spa Mitt. NEVER
USE HARSH CHEMICALS! Damage to the shell by use of harsh
chemicals is not covered under the warranty. Always rinse off any
spa shell cleaning agent with fresh water.
2. Iron and copper in the water can stain the spa shell if allowed to go
unchecked. Ask your
CALDERA
dealer about a Stain and Scale
Inhibitor to use if your spa has a high concentration of dissolved
minerals. (Watkins Wellness recommends Stain & Scale Defense.)
3. Keep all cleaners out of the reach of children and use care when
applying.
CARE OF THE ECOTECH CABINET
The ECOTECH cabinet consists of rigid polymers that combine the
durability of plastic, with the beauty of wood.
Cleaning your ECOTECH cabinet is as easy as spraying the cabinet with
a mild soap and water solution to remove any stains and residue.
CARE OF THE SPA COVER
WARNING: The cover is a manual safety cover that meets or
exceeds all prevailing requirements of ASTM 1346-91 for spa safety
covers when installed and used correctly as of the date of manufacture.
Non-secured, or improperly secured covers are a hazard.
Open the cover to its fully open position before use.
FILTER
CARTRIDGE
BASKET
WEIR
33
VINYL COVER
The vinyl spa cover is an attractive, durable foam insulation product.
Monthly cleaning and conditioning are recommended to maintain its
beauty.
To clean and condition the vinyl cover:
1. Remove the cover from the spa and gently lean it against a wall or
fence.
2. With a garden hose, spray the cover to loosen and rinse away dirt
or debris.
3. Using a large sponge and/or a soft bristle brush, and using a very
mild soap solution (one teaspoon dishwashing liquid with 8 liters (two
gallons) of water), or baking soda (sodium bicarbonate), scrub the vinyl
top in a circular motion. Do not let the vinyl dry with a soap film on it
before it can be rinsed clean.
4. Scrub the covers perimeter and side flaps. Rinse clean with water.
5. Rinse off the underside of the cover with water only (use no soap),
and wipe it clean with a dry rag.
6. To condition the cover after cleaning, apply Cover Shield to protect
the cover.
IMPORTANT: To remove tree sap, use cigarette lighter fluid (not charcoal
lighter fluid). Use sparingly, and rinse with a saddle soap solution
immediately afterwards, then wipe dry.
DO:
Remove snow buildup to avoid breakage of the foam core from
the additional weight of the snow.
Lock cover lock straps to secure the cover when the spa is not
in use.
DON'T:
Drag or lift the spa cover using either the flaps, or the cover lock
straps.
Walk, stand, or sit on the cover.
Place any metal or heat transferring object on the cover or place
any type of plastic tarp or drop cloth over the cover as this may
result in a melted foam core, which would not be covered under
the warranty.
Use any lifting mechanisms, chemicals, or cleaners except those
recommended by Watkins Wellness, or its Authorized Sales and
Service Dealer.
Spa Care and Maintenance
34
Service Information
GENERAL INFORMATION
Your CALDERA spa has been designed to provide years of trouble-free
use. As with any appliance, problems may occasionally occur that require
the expertise of a qualified service person. Though such simple repairs
as resetting a RCD switch or breaker, high limit thermostat, or pressure
switch, or replacing a light bulb may not require a service call, they may
indicate that a more serious condition exists. These conditions may
require an experienced service person. Before calling for service, please
refer to the Troubleshooting Guide.
NOTE: Always retain your original sales receipt for future reference.
RCD AND HIGH LIMIT THERMOSTAT
If your spa fails to operate at any time, first check the power supply to the
spa.
Check the RCD breaker in the subpanel. If a RCD has tripped, reset
it. If it will not reset, this may be an indication of a ground fault (short
circuit) within the electrical components. Contact an Authorized Service
Technician for a complete diagnosis.
If upon checking the RCD’s you find that they have not tripped, check the
house breaker panel and ensure the main breaker for the electrical circuit
supplying the spa has not tripped. If it has, this is an indication that the
circuit was either overloaded or a ground fault exists between the breaker
panel and the spa receptacle or subpanel. Contact a qualified electrician.
If upon checking the main house breaker and spa RCD you find no
failures, check the high limit thermostat. To check it, simply turn off power
to the spa for 30 seconds. This will automatically reset the high limit
thermostat if it has tripped. If the spa energizes once you turn the power
back on, this indicates reduced water flow through the heating system.
Tripping of the high limit thermostat is normally a result of one or a
combination of these problems. 1) clogged filter cartridge(s), 2) blockage
within the system plumbing, 3) a non-functioning heater circulation pump,
4) power was not disconnected from the spa before it was drained, 5)
an air lock in the plumbing lines. (The Power Indicator on the front of the
spa’s control panel will also be blinking if the high limit thermostat circuit
has tripped.)
If the spa does not function after tripping and resetting the RCD or
resetting the high limit thermostat, then the problem should be referred to
an Authorized Service Technician. Refer to the Troubleshooting Guide for
additional service information.
MISCELLANEOUS SERVICE
INFORMATION
The jet pump is equipped with an overload cut-off switch, which is
designed to protect the pump from overheating. If the pump shuts itself
off in a new spa, it is usually the result of one, or a combination of, the
following factors:
High Temperature: During the summer months, especially in warmer
climates, the ambient temperature contributes to excessively high
temperatures within the equipment compartment.
Improper House Wiring: If the spa is not connected to a dedicated
circuit, or is connected to an extension cord, or the house wiring is
undersized, the pump may starve for voltage and therefore may draw
more amperage and generate excessive heat. This will often cause the
circuit breaker to trip repeatedly.
IMPORTANT:
1. If the pump is shutting down due to excessive heat, make sure the
equipment compartment has adequate ventilation. The air gap at
the bottom and the jet pump vent at the bottom left corner must not
be blocked. Should your jet pump continue to shut off after short
periods of use, contact a qualified service technician.
2. The VACANZA spa is equipped with a safety suction spring valve
which will break the prime of the jet pump if both suction fittings
are obstructed.
ACTS INVALIDATING WARRANTY
The limited warranty is void if the CALDERA spa has been improperly
installed, subjected to alteration, misuse, or abuse, or if any repairs on
the spa are attempted by anyone other than an authorized representative
of Watkins Wellness. Alteration shall include any component or plumbing
change, electrical conversion, or the addition of any non-approved
sanitation or water purification device or heating system which contributes
to component or unit failure or unsafe operating system. Misuse and
abuse shall include any operation of the spa other than in accordance
with Watkins Wellness printed instructions, or use of the spa in an
application for which it is not designed; specifically: use of the spa in a
non-residential application; damage caused by operation* of the spa
at water temperatures outside the range of 1.7°C and 49°C (35°F and
120°F); damage caused by a dirty, clogged or calcified filter cartridge;
damage to the spa surface caused by the use of tri-chloro chlorine,
BCDMH, misuse of chemical tablets in a floater, acid, or any other
spa chemicals or spa surface cleaners which are not recommended
by Watkins Wellness; damage caused by allowing undissolved spa
sanitizing chemicals to lie on the spa surface (no spa surface material
can withstand this kind of abuse); damage to components or spa surface
caused by improper water chemistry maintenance; and damage to the
spa surface caused by leaving the spa uncovered while empty of water
and in direct exposure to sunlight (this may cause solar heating distress
in warm weather regions). These are considered abuses and may
invalidate this warranty.
*Operation of the spa does not mean “use” of the spa! Watkins Wellness
does not recommend using the spa if the water temperature is above or
below the spa’s control panel temperature range.
DISCLAIMERS
Watkins Wellness shall not be liable for loss of use of the VACANZA
series spa or other incidental or consequential costs, expenses or
damages, which may include but are not limited to, the removal of a
permanent deck or other custom fixture. Any implied warranty shall
have a duration equal to the duration of the applicable warranty stated
above. Under no circumstances shall Watkins Wellness or any of its
representatives be held liable for injury to any person or damage to any
property, however arising.
CUSTOMER SERVICE
If you have any questions about any aspect of your VACANZA series spa
set-up, operation or maintenance that have not been answered by this
manual, consult your CALDERA dealer.
Service Information
35
TROUBLESHOOTING
Should you experience any problem, do not hesitate to contact your authorized CALDERA dealer. Here are some tips to help you to diagnose and rectify
some more common sources of trouble yourself, if you choose to do so.
GENERAL OPERATION TROUBLESHOOTING GUIDE
Problem Probable causes Solutions
Entire spa is inoperative. Power failure / not plugged in
RCD tripped
Check power source
Reset RCD; call for service if it will not reset.
Spa does not heat; jets and light operate.
Display shows“ =====”
POWER & READY icon flashes
Pressure switch is open and should be closed
Pressure switch senses flow through heater even though the
jet pump is off
Check for clogged filter. The pressure switch will reset when the flow
of water through the heater has been restored. Call for service if the
pressure switch trips frequently.
Contact an Authorized Service Technician
READY icon flashes Control Sensor open or shorted Contact an Authorized Service Technician
Spa does not heat; jets and light operate.
Display shows“ ---------”
POWER & READY icon flashes
Pressure switch is closed and should be open Contact an Authorized Service Technician
Jets weak or surging Spa water level too low
Filters clogged / suction screens clogged
Jet nozzles closed / air valve closed
Add water
Clean filters / clean suction screens
Open jet nozzles / open air valve
Light inoperative Bad connection Contact an Authorized Service Technician
Display shows “- - - - “
(Entire spa is inoperative.)
POWER icon flashes
Heater high limit thermostat tripped Disconnect power to the spa for at least thirty seconds to reset the heater
high-limit. If tripping continues, clean the filter, then if tripping still occurs,
call for service.
After filling or refilling the spa: a jet pump is
operating, but water is not flowing from any of
its jets.
Pump is not properly primed.
1. Turn off power to the spa at the breaker and remove the
equipment compartment door
2. Loosen the union on the top of the pump(s) (as seen on page
17) to allow the air to escape, then hand-tighten the union(s).
3. Turn power back on, activate the pump and check to make sure
union is tight enough to keep it from leaking. Re-install pump
and equipment doors.
OR:
Remove and reinstall the FROG cap.
Service Information
DOOR PANEL REMOVAL
Locate and remove the two screws on the
bottom of each corner on the front panel
(same side as the Control Panel)
Place door panel in position as illustrated to the left.
a. Raise door panel from bottom making sure all 4 door panel
plastic clips are behind the 4 spa plastic clips, this requires
the door panel to be behind the bar top.
b. Using both hands, push in the area where the metal clips
are located to snap the door panel metal clips into position.
c. Replace the 2 screws that were removed in step 1 of the
Door Panel Removal section.
Locate notch below panel on one side and center.
Placing fingers inside notches, pull panel slightly away
from spa only on side (not center).
Locate notch on other side of panel and place fingers
inside the notch and center notch. Pull panel away
from spa, lower panel and store in a cool and shaded
place.
NOTE: It may be possible when pulling out the first clip
to pull the panel out too far releasing the second clip.
Control Panel
Remove Screw
DOOR PANEL REPLACEMENT
1
In order to replace the panel, the illustration to
the right shows how the panel is held in place.
a. The 4 plastic clips attached to the top
back side of the door panel slide behind
the 4 plastic clips attached to the spa.
b. The 2 metal clips on the bottom of the
door snap into the 2 metal clips attached
to the bottom of the spa.
2
DOOR PANEL INSTRUCTIONS
The illustrations are to be used as a reference
only (your spa may look slightly different).
Remove Screw
Plastic
Clips
Metal
Clips
Door Panel
(Back Side)
Plastic
Clips
Metal
Clips
Bar
top
Notch Notch Notch
36 Service Information
1
2
Vista, California
USA
©2021 Watkins Wellness. Caldera Spas is a trademark of Watkins Wellness, registered in the U.S., Canada, CTM and other countries.
BaquaSpa is a trademark of Arch UK Biocides, Limited Inc. FROG is a registered trademark of King Technology. Caldera is a trademark of
Watkins Wellness, registered in the U.S., Canada, CTM and other countries.
CAUTION: Watkins
Wellness suggests a structural engineer or contractor be consulted before the spa
is placed on an elevated deck.
* NOTE: The “Filled weight” and “Dead weight” of the spa includes the weight of the occupants
(assuming an average occupant weight of 80 kg (175 lbs)).
VACANZA SERIES SPA SPECIFICATIONS
303766.22 A (10/21)
PALATINO
(Model PLTE)
226 cm x 226 cm
7'5" x 7'5"
98 cm
38.5"
6.0 m² 2,000 1,525 liter
400 gal
415 kg
910 lbs
2,420 kg
5,295 lbs
610 kg/m²
125 lbs/ft²
230 volt 20 amp
single phase
RCD circuit
MARINO
(Model MRNE)
213 cm x 213 cm
7'0" x 7'0"
91 cm
36"
6.0 m² 2,000 1,375 liter
360 gal
380 kg
835 lbs
2,235 kg
4,885 lbs
635 kg/m²
130 lbs/ft²
230 volt 16 amp
single phase
RCD circuit
VANTO
(Model VNTE)
213 cm x 213 cm
7'0" x 7'0"
91 cm
36"
6.0 m² 2,000 1,425 liter
375 gal
385 kg
845 lbs
2,370 kg
5,200 lbs
685 kg/m²
140 lbs/ft²
230 volt 16 amp
single phase
RCD circuit
CAPITOLO
(Model CPTE)
208 cm x 208 cm
6'10" x 6'10"
84 cm
33"
2.7 m² 2,000 1,175 liter
310 gal
330 kg
730 lbs
1905 kg
4,190 lbs
585 kg/m²
120 lbs/ft²
230 volt 16 amp
single phase
RCD circuit
CELIO
(Model CELE)
213 cm x 165 cm
7'0" x 5'5"
74 cm
29"
2.7 m² 2,000 825 liter
215 gal
290 kg
635 lbs
1,355 kg
2,955 lbs
515 kg/m²
105 lbs/ft²
230 volt 16 amp
single phase
RCD circuit
AVENTINE
(Model AVHE)
162 cm x 162 cm
5'4" x 5'4"
74 cm
29"
3.2 m² 2,000 575 liter
150 gal
200 kg
440 lbs
935 kg
2,060 lbs
585 kg/m²
120 lbs/ft²
230 volt 16 or 20
amp single phase
RCD circuit
Footprint
dimensions
Height
E󰀨ective
lterarea
Heater
(Watts)
Water
capacity
Dry weight
Filled weight*
Dead weight*
Electrical
requirements
calderaspas.com
20


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