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Kaysun KAY-CD 51 DR8 Manual

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IMPORTANT NOTE:
Read this manual carefully before installing or operating your new air conditioning
unit. Make sure to save this manual for future reference.Please check the applicable
models, technical data, F-GAS (if any) and manufacturer information from the
"Owner's Manual - Product Fiche" in the packaging of the outdoor unit.
KAY-CF 26 DR9
KAY-CF 35 DR9
KAY-CF 52 DR8
KAY-CF 71 DR8
KAY-CD 26 DR9
KAY-CD 35 DR9
KAY-CD 51 DR8
KAY-CD 71 DR8
AKAY-CF 26 DR10
AKAY-CF 35 DR10
AKAY-CF 52 DR10
AKAY-CF 71 DR10
CASUAL Series R-32
OWNER’S & INSTALLATION MANUAL
Table of Contents
Page
Safety Precautions ............................................................................................. 4
Owner's Manual
1. Unit Specifications and Features ................................................................ 7
1. Indoor unit display ...................................................................................... 7
2. Operating temperature ............................................................................... 8
3. Other features ............................................................................................ 8
4. Setting angle of airflow ............................................................................... 9
5. Manual operation (without Remote) .......................................................... 10
2. Care and Maintenance ................................................................................. 11
3. Troubleshooting ........................................................................................... 13
Page
Installation Manual
4. Accesories .................................................................................................... 16
5. Installation Summary - Indoor Unit ............................................................. 17
6. Unit Parts ..................................................................................................... 18
7. Indoor Unit Installatio .................................................................................. 19
1. Select installation location .......................................................................... 19
2. Attach mounting plate to wall ...................................................................... 19
3. Drill wall hole for connective piping ............................................................ 19
4. Prepare refrigerant piping ........................................................................... 20
5. Connect drain hose .................................................................................... 21
6. Connect siganl cable .................................................................................. 21
7. Wrap piping and cables .............................................................................. 22
8. Mount indoor unit ........................................................................................ 23
8. Outdoor Unit Installation ............................................................................. 24
1. Select installation location .......................................................................... 24
2. Install drain joint ......................................................................................... 24
3. Anchor outdoor unit .................................................................................... 25
4. Connect signal and power cables .............................................................. 26
9. Refrigerant Piping Connection ................................................................... 27
A. Note on Pipe Length .................................................................................. 27
B. Connection Instructions - Refrigerant Piping ............................................. 27
1. Cut pipe ................................................................................................. 27
2. Remove burrs ........................................................................................ 27
3. Flare pipe ends ..................................................................................... 27
4. Connect pipes ....................................................................................... 28
10. Air Evacuation ............................................................................................. 30
1. Evacuation Instructions .............................................................................. 30
2. Note on Adding Refrigerant ........................................................................ 31
11. Electrical and Gas Leak Checks ................................................................. 32
12. Test Run ........................................................................................................ 33
Page 4
Read Safety Precautions Before Operation and Installation
Incorrect installation due to ignoring instructions can cause serious damage or injury. The se-
riousness of potential damage or injuries is classied as either a WARNING or CAUTION.
WARNING
This appliance can be used by children aged from 8 years and aboce and persons with reduced physical, sensory or
mental capabilities or lack of experience and knowledge if they have been given supervision or instruction concerning
use of the appliance in a safe way and understand the hazards involved. Children shall not play with the appliance.
Cleaning and user maintenance shall not be made by children without supervision (EN Standard requirements).
This appliance is not intended for use by persons (including children) with reduced physical, sensory or mental
capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning
use of the appliance by a person responsible for their safety. Children should be supervised to ensure that they do not
play with the appliance (IEC Standard requirements).
WARNING FOR PRODUCT USE
• If an abnormal situation arises (like a burning smell), immediately turn off the unit and disconnect the power. Call
your dealer for instructions to avoid electric shock, re or injury.
• Do not insert ngers, rods or other objects into the air inlet or outlet. This may cause injury, since the fan may be
rotating at high speeds.
• Do not use ammable sprays such as hair spray, lacquer or paint near the unit. This may cause re or combustion.
• Do not operate the air conditioner in places near or around combustible gases. Emitted gas may collect around
the unit and cause explosion.
• Do not operate your air conditioner in a wet room such as a bathroom or laundry room. Too much exposure to
water can cause electrical components to short circuit.
• Do not expose your body directly to cool air for a prolonged period of time.
• Do not allow children to play with the air conditioner. Children must be supervised around the unit at all times.
• If the air conditioner is used together with burners or other heating devices, thoroughly ventilate the room to avoid
oxygen deciency.
• In certain functional environments, such as kitchens, server rooms, etc., the use of specially designed air-
conditioning units is highly recommended.
CLEANING AND MAINTENANCE WARNINGS
• Turn off the device and disconnect the power before cleaning. Failure to do so can cause electrical shock.
• Do not clean the air conditioner with excessive amounts of water.
• Do nott clean the air conditioner with combustible cleaning agents. Combustible cleaning agents can cause re or
deformation.
CAUTION
• Turn off the air conditioner and disconnect the power if you are not going to use it for a long time.
• Turn off and unplug the unit during storms.
• Make sure that water condensation can drain unhindered from the unit.
• Do not operate the air conditioner with wet hands. This may cause electric shock.
• Do not use device for any other purpose than its intended use.
• Do not climb onto or place objects on top of the outdoor unit.
• Do not allow the air conditioner to operate for long periods of time with doors or windows open, or if the humidity
is very high.
Safety Precautions
WARNING
This symbol indicates the possibility od personnel injury
CAUTION
This symbol indicates the possibility of property
damage or serious consequences.
Page 5
ELECTRICAL WARNINGS
• Only use the specied power cord. If the power cord is damaged, it must be replaced by the manufacturer, its
service agent or similarly qualied persons in order to avoid a hazard.
• Keep power plug clean. Remove any dust or grime that accumulated on or around the plug. Dirty plugs can
cause re or electric shock.
• Do not pull power cord to unplug unit. Hold the plug rmly and pull it from the outlet. Pulling directly on the
cord can damage it, which can lead to re or electric shock.
• Do not modify the length of the power supply cord or use and extension cord to power the unit.
• Do not share the electrical outlet with other appliances. Improper or insufcient power supply can cause re
or electrical shock.
• The product must be properly grounded at the time of installation, or electrical shock may occur.
• For all electrical work, follow all local and national wiring standards, regulations, and the Installation Manual.
Connect cables tightly, and clamp them securely to prevent external forces from damaging the terminal.
Improper electrical connections can overheat and cause re, and may also cause shock. All electrical
connections must be made according to the Electrical Connection Diagram located on the panels of the
indoor and outdoor units.
• All wiring must be properly arranged to ensure that the control board cover can close properly. If the control
board cover is not closed properly, it can lead to corrosion and cause the connection points on the terminal
heat up, catch re, or cause electrical shock.
• If connecting power to xed wiring, an all-pole disconnection device which has at least 3mm clearances in all
poles, and have a leakage current that may exceed 10mA, the residual current device (RCD) having a rated
residual operating current not exceeding 30mA, and disconnection must be incorporated in the xed wiring in
accordance with the wiring rules.
TAKE NOTE OF FUSE SPECIFICATIONS
The air conditioner's circuit board (PCB) is designed with a fuse to provide overcurrent protection. The specications
of the fuse are printed on the circuit board, such as:
Indoor unit: T3.15AL/250VAC, T5AL/250VAC, T3.15A/250VAC, T5A/250VAC, etc.
Outdoor unit: T20A/250VAX (<= 18000Btu/h units), T30A/250VAC (> 18000 Btu/h units)
NOTE: For the units with R-32 refrigerant, only the blast-proof ceramic fuse can be used.
WARNINGS FOR PRODUCT INSTALLATION
1. Installation must be performed by an authorized dealer or specialist. Defective installation can cause water
leakage, electrical shock, or re.
2. Installation muse be performed according to the installation instructions. Improper installation can cause
water leakage, electrical shock, or re.
3. Contact an authorized service technician for repair or maintenance of this unit. This appliance shall be installed
in accordance with national wiring regulations.
4. Only use the included accessories, parts, and specied parts for installation. Using non-standard parts can
cause water leakage, electrical shock, re, and can cause the unit to fail.
5. Install the unit in a rm location that can support the unit's weight. If the chosen location cannot support the
unit's weight, or the installation is not done properly, the unit may drop and cause serious injury and damage.
6. Install drainage piping according to the instructions in this manual. Improper drainage may cause water
damage to your home and property.
7. For units that have an auxiliary electric heater, do not install the unit within 1 meter (3 feet) of any combustible
materials.
8. Do not install the unit in a location that may be exposed to combustible gas leaks. If combustible gas
accumulates around the unit, it may cause re.
9. Do not turn on the power until all work has been completed.
10. When moving or relocating the air conditioner, consult experienced service technicians for disconnection and
reinstallation of the unit.
11. How to install the appliance to its support, please red the information for details in "Indoor Unit Installation"
and "Outdoor Unit Installation" sections.
European Disposal Guidelines
Page 6
This marking shown on the product or its literature, indicates that waste electrical and eletrical equipment should
not be mixed with general household waste.
Correct Disposal of This Product
(Waste Electrical & Electronic Equipment)
This appliance contains refrigerant and other potentially hazardous materials. When disposing of this appliance,
the law requires special collection and treatment. Do not dispose of this product as household waste or unsorted
municipal waste.
When disposing of this appliance, you have the following options:
• Dispose of the appliance at designated municipal electronic waste collection facility.
• When buying a new appliance, the retailer will take back the old appliance free of charge.
• The manufacturer will take back the old appliance free of charge.
• Sell the appliance to certied scrap metal dealers.
Special note
Disposing of this appliance in the forest or other natural surroundings endangers your health and is bad for the
environment. Hazardous substances may leak into the ground water and enter the food chain.
Note about Fluorinated Gases
1. This air-conditioning unit contains uorinated greenhouse gases. For specic information on the type of gas and
the amount, please refer to the relevant label of the unit itself or the "Owner's Manual - Product Fiche" in the
packaging of the outdoor unit.
2. Installation, service, maintenance and repair of this unit must be performed by a certied technician.
3. Product uninstallation and recycling must be performed by a certied technician.
4. For equipment that contains uorinated greenhouse gases in quantities of 5 tonnes of CO2 equivalent or more, but
of less than 50 tonnes of CO2 equivalent. If the system has a leak-detection system installed, it must be checked
for leaks at least every 24 months.
5. When the unit is checked for leaks, proper record-keeping of all checks is strongly recommended.
WARNING for Using R-32 Refrigerant
• When ammable refrigerant are employed, appliance shall be stored in a well-ventilated area where the room
size corresponds to the room area as specied for operation.
Appliance shall be installed, operated and stored in a room with a oor area larger than 4m2.
Appliance shall not be installed in a unvertilated space, if that space is smaller than 4m2.
• Reusable mechanical connectors and ared joints are not allowed indoors.
(EN Standard Requirements).
• Mechanical connectors used indoors shall have a rate of not more than 3g/year at 25% of the maximum
allowable pressure. When mechanical connectors are reused indoors, sealing parts shall be renewed. When ared
joints are reused indoors, the are part shall be re-fabricated.
(UL Standard Requirements).
• When mechanical connectors are reused indoors, sealing parts shall be renewed. When ared joints are
reused indoors, the are part shall be re-fabricated
(IEC Standard Requirements).
Front Panel Power Cable (Some Units)
Remote Control Remote Control Holder
(Some Units)
Louver
Display window (A) Display window (B) Display window (C) Display window (D)
when Fresh feature is activated (some units)
when Defrost feature is activated
when the unit is on
when TIMER is set
when Wireless Control feature is activated (some units)
Displays temperature, operation feature and error codes:
When ECO function (some units) is activated the
"88" illuminates gradually one by one as E -- C -- O --
set temperature --E in one second interval
"ON" 3 seconds when:
TIMER ON is set (if the unit is OFF, "ON" remains on when TIMER ON is set)
FRESH, SWING, TURBO, or SILENCE feature is turned on
"OF" for 3 seconds when:
TIMER OFF is set
FRESH, SWING, TURBO, or SILENCE feature is turned off
"cF" when anti-cold air feature is turned on
"dF" when defrosting (cooling & heating units)
"SC" when unit is self-cleaning (some units)
"FP" when 8ºC heating feature is turned on (some units)
Display Code
Meanings
Page 7
1. Unit Specifications and Features
Indoor Unit Display
NOTE: Different models have different front panel and display window. Not all the indicators describing below are
available for the air conditioner you purchased. Please check the indoor display window of the unit you purchased.
Illustrations in this manual are for explanatory purposes. The actual shape of your indoor unit may be slightly different.
The actual shape shall prevail.
Page 8
COOL Mode HEAT Mode HEAT Mode
Room
Temperature
17°C - 32°C
(63°F - 90°F)
0°C - 30°C
(32°F - 86°F)
10°C - 32°C
(50°F - 90°F)
Outdoor
Temperature
0°C - 50°C
(32°F - 122°F)
-15°C - 30°C
(5°F - 86°F)
0°C - 50°C
(32°F - 122°F)
-15°C - 50°C
(5°F - 122°F)
(For models with
low temp. cooling
systems)
0°C - 60°C
(32°F - 140°F)
(For special tropical
models)
0°C - 60°C
(32°F - 140°F)
(For special tropical
models)
Operating temperature
When your air conditioner is used outside of the following temperature ranges, certain safety protection features may
activate and cause the unit to disable.
Inverter Split Type
FOR OUTDOOR UNITS
WITH AUXILIARY ELECTRIC
HEATER
When outside temperature is
below 0ºC (32ºF), we strongly
recommend keeping the unit
plugged in at all time to ensure
smooth ongoing performance.
NOTE: Room relative humidity less than 80%. If the air conditioner operates in excess of this gure, the surface of the
air conditioner may attract condensation. Please sets the vertical air ow louver to its maximum angle (vertically to the
oor). and set HIGH fan mode.
To further optimize the performance of your unit, do the following:
• Keep doors and windows closed.
• Limit energy usage by using TIMER ON and TIMER OFF functions.
• Do not block air inlets or outlets.
• Regularly inspect and clean air lters.
A guide on using the infrared remote is not included in this literature package. Not all the functions are available for the
air conditioner, please check the indoor display and remote control of the unit you purchased.
SLEEP Operation
Cool mode (+1ºC/2ºF) per hour for the
rst two hours
Heat mode (-1ºC/2ºF) per hour for the
rst two hours
Set
temperatura Keep running
Saving energy during sleep
Range
Fig. A
Fig. B
Deector rod
Page 9
Other Features
• Auto-Restart (some units)
If the unit loses power, it will automatically restart with the
prior settings once power has been restored.
• Anti-mildew (some units)
When turning off the unit from COOL, AUTO (COOL), or
DRY modes, the air conditioner will continue operate at
very low power to dry up condensed water and prevent
mildew growth.
• Wireless Control (some units)
Wireless control allows you to control your air conditioner
using your mobile phone and a wireless connection.
For the USB device access, replacement, maintenance
operations must be carried out by professional staff.
• Louver Angle Memory (some units)
When turning on your unit, the louver will automatically
resume its former angle.
• Refrigerant Leakage Detection (some units)
The indoor unit will automatically display "EC" or "EL0C" or
ash LEDS (model dependent) when it detects refrigerant
leakage.
• Sleep Operation
The SLEEP function is used to decrease energy use while
you sleep (and don't need the same temperature setting
to stay comfortable). This function can only be activated
via remote control. And the Sleep function is not available
in FAN or DRY mode.
Press the SLEEP button when you are ready to go to
sleep. When in COOL mode, the unit will increase the
temperature by 1ºC (2ºF) after 1 hour, and will increase
an additional 1ºC (2ºF) after another hour. When in HEAT
mode, the unit will decrease the temperature by 1ºC (2ºF)
after 1 hour, and will decrease an additional 1ºC (2ºF)
after another hour.
The sleep feature will stop after 8 hours and the system
will keep running with nal situation.
• Setting Angle of Air Flow
Setting vertical angle of air ow
While the unit is on, use the SWING/DIRECT button
on remote control to set the direction (vertical angle) of
airow. Please refer to the Remote Control Manual for
details.
NOTE ON LOUVER ANGLES
When using COOL or DRY mode, do not set louver at
too vertical an angle for long periods of time. This can
cause water to condense on the louver blade, which
will drop on your oor or furnishings.
When using COOL or HEAT mode, setting the louver
at too vertical an angle can reduce the performance
of the unit due to restricted air ow.
(The vertical louver auto swing is an optional function)
Setting horizontal angle of air ow
The horizontal angle of the airow must be set
manually. Grip the deector rod (See Fig. B) and
manually adjust it to your preferred direction.
For some units, the horizontal angle of the airow can
be set by remote control. Pleade refer to the Remote
Control Manual.
NOTE: Do not move louver by hand. This will cause the
louver to become out of sync. If this occurs, turn off the
unit and unplug it for a few seconds, then restart the unit.
This reset the louver.
CAUTION
Do not put your ngers in or near the blower and suction
side of the unit. The high-speed fan inside the unit may
cause injury.
Manual control
button
Page 10
Manual Operation (without remote)
CAUTION
The manual button is intended for testing purposes and
emergency operation only. Please do not use this function
unless the remote control is lost and it is absolutely
necessary. To restore regular operation, use the remote
control to activate the unit. Unit must be turned off before
manual.
To operate your unit manually:
1. Locate the MANUAL CONTROL button on the right-
hand side of the unit.
2. Press the MANUAL CONTROL button one time to
activated FORCED AUTO mode.
3. Press the MANUAL CONTROL button again to
activate FORCED COOLING mode.
4. Press the MANUAL CONTROL button a third time to
turn the unit off.
5. Close the front panel.
Filter Tab
Remove air freshening lter from back of
larger lter (some units)
Page 11
2. Care and Maintenance
Cleaning Your Indoor Unit
BEFORE CLEANING OR
MAINTENANCE
ALWAYS TURN OFF YOUR AIR CONDITIONER
SYSTEM AND DISCONNECT ITS POWER SUPPLY
BEFORE CLEANING OR MAINTENANCE.
CAUTION
Only use a soft, dry cloth to wipe the unit clean. If the unit
is especially dirty, you can use a cloth soaked in warm
water to wipe it clean.
• Do not use chemicals or chemically treated cloths to
clean the unit.
• Do not use benzene, paint thinner, polishing powder
or other solvents to clean the unit. They can cause
the plastic surface to crack or deform.
• Do not use water hotter than 40ºC (104ºF) to clean
the front panel. This can cause the panel to deform or
become discolored.
Cleaning Your Air Filter
A clogged air conditioner can reduce the cooling efciency
of your unit, and can also be bad for your health. Make
sure to clean the lter once every two weeks.
1. Lift the front panel of the indoor unit.
2. First press the tab on the end of lter to loosen the
buckle, lift it up, then pull it towards yourself.
3. Now pull the lter out.
4. If your lter has a small air freshening lter, unclip it
from the larger lter. Clean this air freshening lter
with a hand-held vacuum.
5. Clean the large air lter with warm, soapy water. Be
sure to use a mild detergent.
6. Rinse the lter with fresh water, then shake off excess
water.
7. Dry it in a cool, dry place, and refrain from exposing it
to direct sunlight.
8. When dry, re-clip the air freshening lter to the larger
lter, then slide it back into the indoor unit.
9. Close the front panel of the indoor unit.
CAUTION
Do not touch air freshening (Plasma) lter for at least 10
minutes after turning off the unit.
Clean all lters Turn on FAN function until
unit dries out completely
Turn off the unit and
disconnect the power
Remove batteries from
remote control
Check for damaged wires Clean all lters
Check for leaks Replace batteries
Make sure nothing is blocking all air inlets and outlets
Page 12
CAUTION
• Before changing the lter or cleaning, turn off the unit
and disconnect its power supply.
• When removing lter, do not touch metal parts in the
unit. The sharp metal edges can cut you.
• Do not use water to clean the inside of the indoor
unit. This can destroy insulation and cause electrical
shock.
• Do not expose lter to direct sunlight when drying.
This can shrink the lter.
Air Filter Reminders (Optional)
Air Filter Cleaning Reminder
After 240 hours of use, the display window on the indoor
unit will ash "CL". This is a reminder to clean your lter.
After 15 seconds, the unit will revert to its previous display.
To reset the reminder, press the LED button on your
remote control 4 times, or press the MANUAL CONTROL
button 3 times. If you don't reset the reminder, the "CL"
indicator will ash again when you restart the unit.
Air Filter Replacement Reminder
After 2,880 hours of use, the display window on the indoor
unit will ash "nF". This is a reminder to replace your lter.
After 15 seconds, the unit will revert to its previous display.
To reset the reminder, press the LED button on your
remote control 4 times, or press the MANUAL CONTROL
button 3 times. If you don't reset the reminder, the "nF"
indicator will ash again when you restart the unit.
CAUTION
• Any maintenance and cleaning of outdoor unit should
be performed by an authorized dealer or a licensed
service provider.
• Any unit repairs should be performed by an authorized
dealer or a licensed service provider.
Maintenance - Long Periods of Non-
Use
If you plan not to use your air conditioner for an extended
period of time, do the following:
Maintenance - Pre-Season Inspection
After long periods of non-use, or before periods of frequent
use, do the following:
Page 13
3. Troubleshooting
Issue Possible Causes
Unit does not turn on when
pressing ON/OFF button
The unit has a 3-minute protection feature that prevents the unit from overloading.
The unit cannot be restarted within three minutes of being turned off.
The unit changes from
COOL/HEAT mode to FAN
mode
The unit may change its setting to prevent frost from forming on the unit. Once the
temperature increases, the unit will start operating in the previously selected mode
again.
The set temperature has been reached, at which point the unit turns off the
compressor. The unit will continue operating when the temperature uctuates again.
The indoor unit emits white
mist
In humid regions, a large temperature difference between the room's air and the
conditioned air can cause white mist.
Both the indoor and
outdoor units emit white
mist
When the unit restarts in HEAT mode after defrosting, white mist may be emitted
due to moisture generated from the defrosting process.
La unidad interior hace
ruidos extraños
A rushing air sound may occur when the louver resets its position.
A squeaking sound may occur after running the unit in HEAT mode due to expansion
and contraction of the unit's plastic parts.
Both the indoor unit and
outdoor unit make noises
Durante el funcionamiento, se oye un siseo: este sonido corresponde al refrigerante
que circula por la unidad interior y la unidad exterior.
Low hissing sound when the system starts, has just stopped running, or is defrosting:
This noise is normal and is caused by the refrigerant gas stopping or changing
direction.
Squeaking sound: Normal expansion and contraction of plastic and metal parts
caused by temperature changes during operation can cause squeaking noises.
SAFETY PRECAUTIONS
If ANY of the following conditions occurs, turn off your unit immediately!
• The power cord is damaged or abnormally warm
• You smell a burning odor
• The unit emits loud or abnormal sounds
• A power fuse blows or the circuit breaker frequently trips
• Water or other objects fall into or out of the unit
DO NOT ATTEMPT TO FIX THESE YOURSELF! CONTACT AN AUTHORIZED SERVICE PROVIDER IMMEDIATELY!
Common Issues
The following problems are not a malfunction and in most situations will not require repairs.
Page 14
Issue Possible Causes
The outdoor unit makes
noises The unit will make different sounds based on its current operating mode.
The outdoor unit makes
noises
The unit may accumulate dust during extended periods of non-use, which will be
emitted when the unit is turned on. This can be mitigated by covering the unit during
long periods of inactivity
The unit emits a bad odor
The unit may absorb odors from the environment (such as furniture, cooking,
cigarettes, etc.) which will be emitted during operations.
The unit's lters have become moldy and should be cleaned.
The fan of the outdoor unit
does not operate The unit's lters have become moldy and should be cleaned.
Operation is erratic,
unpredictable, or unit is
unresponsive
Interference from cell phone towers and remote boosters may cause the unit to
malfunction.
In this case, try the following:
• Disconnect the power, then reconnect.
• Press ON/OFF button on remote control to restart operation
NOTE: If problem persists, contact a local dealer or your nearest customer service center. Provide them with a detailed
description of the unit malfunction as well as your model number.
Troubleshooting
When troubles occur, please check the following points before contacting a repair company.
Problem Possible Causes Solution
Poor Cooling
Performance
Temperature setting may be higher
than ambient room temperature. Lower the temperature setting.
The heat exchanger on the indoor or
outdoor unit is dirty. Clean the affected heat exchanger.
The air lter is dirty. Remove the lter and clean it according to instructions.
The air inlet or outlet of either unit is
blocked.
Turn the unit off, remove the obstruction and turn it back
on.
Doors and windows are open. Make sure that all doors and windows are closed while
operating the unit.
Excessive heat is generated by
sunlight.
Close windows and curtains during periods of high heat
or bright sunrise.
Too many sources of heat in the room
(people, computers, electronics, etc.) Reduce amount of heat sources.
Low refrigerant due to leak or long-
term use. Check for leaks, re-seal if necessary and top off refrigerant.
SILENCE function is activated
(optional function)
SILENCE function can lower product performance by
reducing operating frequency. Turn off SILENCE function.
Page 15
Problem Possible Causes Solution
The unit is not
working
Power failure. Wait for the power to be restored.
The power is turned of.f Turn on the power.
The fuse is burned out. Replace the fuse.
Remote control batteries are dead. Replace batteries.
The unit's 3-minute protection has been
activated. Wait three minutes after restarting the unit.
Timer is activated. Tunr timer off.
The unit starts and
stops frequently
There's too much or too little refrigerant in
the system.
Check for leaks and recharge the system with
refrigerant.
Incompressible gas or moisture has
entered the system.
Evacuate and recharge the system with
refrigerant.
The compressor is broken. Replace the compresso.r
The voltage is too high or too low. Install a manostat to regulate the voltage.
Poor heating
performance
The voltage is too high or too low. Install a manostat to regulate the voltage.
Cold air entering through doors and
windows.
Make sure that all doors and windows are closed
during use.
Cold air entering through doors and
windows.
Check for leaks, re-seal if necessary and top off
refrigeran.
Indicator lamps
continue ashing
The unit may stop operation or continue to run safely. If the indicator lamps continue to ash
or error codes appear, wait for about 10 minues. The problem may resolve itself.
If not, disconnect the power, then connect it again. Turn the unit on. If the problem persists,
disconnect the power and contact your nearest customer service center.
Error code appears
and begins with
the letters as the
following in the
window display of
indoor unit:
• E(x), P(x), F(x)
• EH(xx), EL(xx),
EC(xx)
• PH(xx), PL(xx),
PC(xx)
NOTE: If your problem persists after performing checks and diagnostics above, turn off your unit immediately and
contact an authorized service center.
Page 16
4. Accesories
The air conditioning system comes with the following accessories. Use all of the installation parts and accessories
to install the air conditioner. Improper installation may result in water leakage, electrical shock and re, or cause the
equipment to fail. The items are not included with the air conditioner must be purchased separately.
Name of
Accessories Q'ty (pc) Shape Name of
Accessories Q'ty (pc) Shape
Manual 2~3 Remote controller 1
Drain joint
(for cooling & heating
models)
1Battery 2
Seal
(for cooling & heating
models)
1Remote controller holder
(optional) 1
Mounting plate 1
Fixing screw for remote
controller holder
(optional)
2
Anchor 5~8
(dependinf on
model)
Small Filter
(Need to be installed
on the back of main air
lter by the authorized
technician while installing
the machine)
1~2
(dependinf on
model)
Mounting plate
xing screw
5~8
(dependinf on
modelo)
Name Shape Quantity (PC)
Connecting pipe assembly
Liquid side
Ø 6,35 (1/4 in)
Parts you must purchase separately.
Consult the dealer about the proper
pipe size of the unir you purchased.
Ø 9,52 (3/8 in)
Gas side
Ø 9,52 (3/8 in)
Ø 12,7 (1/2 in)
Ø 16 (5/8 in)
Ø 19 (3/4 in)
Magnetic ring and belt
(if supplied, please refer to the
wiring diagram to install it on the
connective cable)
Pass the belt through the
hole of the Magnetic ring
to x it on the cable
Varies by model
Select Installation Location Determine Wall Hole Position Attach Mounting Plate
Drill Wall Hole
Connect Piping Connect Wiring
Prepare Drain Hose Wrap Piping and Cable
Mount Indoor Unit
Page 17
5. Installation Summary - Indoor Unit
Page 18
6. Unit Parts
NOTE: The installation must be performed in accordance with the requirement of local and national standards. The
installation may be slightly different in different areas.
Interruptor de
corte al aire
(1) (2)
1. 1Wall Mounting Plate
2. Front Panel
3. Power Cable (Some Units)
4. Louver
5. Functional Filter (On Back of Main
Filter - Some Units)
6. Drainage Pipe
7. Signal Cable
8. Refrigerant
9. Remote Controller
10. Remote Controller Holder (Some
Units)
11. Outdoor Unit Power Cable (Some
Units
NOTE ON ILLUSTRATIONS
Illustrations in this manual are for explanatory purposes. The actual shape of your indoor unit may be slightly different.
The actual shape shall prevail.
15 cm (5,9 in) or more
2,3 m (90,55 in) or more
12 cm (4,75
in) or more
12 cm (4,75
in) or more
Ondoor
Muro
Outdoor
Page 19
7. Indoor Unit Installation
Installation Instructions - Indoor Unit
PRIOR TO INSTALLATION
Before installing the indoor unit, refer to the label on the
product box to make sure that the model number of the
indoor unit matches the model number of the outdoor unit.
Step 1: Select installation location
Before installing the indoor unit, you must choose an
appropriate location. The following are standards that will
help you choose an appropriate location for the unit.
Proper installation locations meet the following
standards:
5Good air circulation.
5Convenient drainage.
5Noise from the unit will not disturb other people.
5Firm and solid - the location will not vibrate.
5Strong enough to support the weight of the unit.
5A location at least one meter from all other electrical
devices (e.g., TV, radio, computer).
DO NOT install unit in the following locations:
Near any source of heat, steam, or combustible gas.
Near ammable items such as curtains or clothing.
Near any obstacle that might block air circulation.
Near the doorway.
In a location subject to direct sunlight.
NOTE ABOUT WALL HOLE
If there is no xed refrigerant piping:
While choosing a location, be aware that you should
leave ample room for a wall hole (see Drill wall hole for
connective piping step) for the signal cable and refrigerant
piping that connect the infoor and outdoor units. The
default position for all piping is the right side of the
indoor unit (while facing the unit). However, the unit can
accomodate piping to both the left and right.
Refer to the following diagram to ensure proper
distance from walls and ceiling:
Step 2: Attach mounting plate to wall
The mounting plate is the device on which you will
mount the indoor unit.
• Take out the mounting plate at the back of the indoor
unit.
• Secure the mounting plate to the wall with the screws
provided. Make sure that mounting plate is at against
the wall.
NOTE FOR CONCRETE OR BRICK WALLS
If the wall is made of brick, concrete, or similar material,
drill 5mm-diameter (0.2in-diameter) holes in the wall
and insert the sleeve anchors provided. Then secure
the mounting plate to the wall by tightening the screws
directly into the clip anchors.
Step 3: Drill wall hole for connective piping
1. Determine the location of the wall hole based on the position
of the mounting plate. Refer to Mounting Plate Dimensions.
2. Using a 65mm (2.5in) or 90mm (3.54in) (depending on
models) core drill, drill a holte in the wall. Make sure that
the hole is drilled at a slight downward angle, so thta the
outdoor end of the hole is lower than the indoor end by
about 5mm to 7mm (0.2-0.275in). This will ensure proper
water drainage.
3. Place the protective wall cuff in the hole. This protects the
edges of the hole and will help seal it when you nish the
installation process.
CAUTION
When drilling the wall hole, make sure to avoid wires,
plumbing, and other sensitive components.
Correct orientation of Mounting Plate
Abertura con cubierta de plástico
24k
9k, 12k, 18k
Page 20
MOUNTING PLATE DIMENSIONS
Different models have different mounting plates. For
the different customization requirements, the shape
of the mounting plate may be slightly different. But the
installation dimensions are the same for the same size of
indoor unit.
See Type A and Type B for example:
NOTE: When the gas side connective pipe is Ø 16mm
(5/8in) or more, the wall hole should be 90mm (3.54in).
Step 4: Prepare refrigerant piping
The refrigerant piping is inside an insulating sleeve
attached to the back of the unit. You must prepare
the piping before passing it through the hole in the
wall.
1. Based on the position of the wall hole relative to
the mounting plate, choose the side from which the piping
will exit the unit.
2. If the wall hole is behind the unit, keep the knock-
out panel in place. If the wall hole is to the side of the
indoor unit, remove the plastic knock-out panel from that
side of the unit. This will create a slot through which your
piping can exit the unit. Use needle nose pliers if the
plastic panel is too difcult to remove by hand.
3. If existing connective piping is already embedded
in the wall, proceed directly to the Connect Drain Hose
step. If there is no embedded piping, connect the indoor
unit's refrigerant piping to the connective piping that will
join the indoor and outdoor units. Refer to the Refrigerant
Piping Connection section of this manual for detailed
instructions.
NOTE ON PIPING ANGLE
Refrigerant piping can exit the indoor unit from four
different angles: Left-hand side, Right-hand side, Left
rear, Right rear.
CAUTION
Be extremely careful not to dent or damage the piping
while bending them away from the unit. Any dents in the
piping will affect the unit's performance.
CORRECT
Make sure there are no kinks
or dent in drain hose to ensure
proper drainage.
INCORRECT
Kinks in the drain hose
will create water traps.
INCORRECT
Kinks in the drain hose
will create water traps.
INCORRECT
Do not place the end of the
drain hose in water or in
containers that collect water.
This will prevent proper
drainage.
Page 21
Step 5: Connect drain hose
By default, the drain hose is attached to the left-hand side
of unit (when you're facing the back of the unit). However,
it can also be attached to the right-hand side. To ensure
proper drainage, attach the drain hose on the same side
that your refrigerant piping exits the unit. Attach drain
hose extension (purchased separately) to the end of drain
hose.
• Wrap the connection point rmly with Teon tape to
ensure a good seal and to prevent leaks.
• For the portion of the drain hose that will remain
indoors, wrap it with foam pipe insulation to prevent
condensation.
• Remove the air lter and pour a small amount of
water into the drain pan to make sure that water ows
the unit smoothly.
NOTE ON DRAIN HOSE PLACEMENT
Make sure to arrange the drain hose according to the
following gures.
PLUG THE UNUSED DRAIN HOLE
To prevent unwanted leaks you mst
plug the unused drain hole with the
rubber plug provided.
BEFORE PERFORMING ANY
ELECTRICAL WORK, READ THESE
REGULATIONS
1. All wiring must comply with local and national
electrical codes, regulations and must be installed by
a licensed electrician.
2. All electrical connections must be made according
to the Electrical Connection Diagram located on the
panels of the indoor and outdoor units.
3. If there is a serious safety issue with the power supply,
stop work immediately. Explain your reasoning to the
client, and refuse to install the unit until the safety
issue is properly resolved.
4. Power voltage should be within 90-110% of rated
voltage. Insufcient power supply can cause
malfunction, electrical shock, or re.
5. If connecting power to xed wiring, install a surge
protector and main power switch with a capacity of
1.5 times the maximum current of the unit.
6. If connecting power to xed wiring, a switch or
circuit breaker that disconnects all poles and has
a contact separation of at leasr 1/8in (3mm) must
be incorporateed in the xed wiring. The qualied
technician must use an approved circuit breaker or
switch.
7. Only connect the unit to an individual branch circuit
outlet. Do not connect another appliaance to that
outlet.
8. Make sure to properly ground the air conditioner.
9. Every wire must be rmly connected. Loose wiring
can cause the terminal to overheat, resulting in
product malfunction and possible re.
10. Do not let wires touch or rest against refrigerant
tubing, the compressor, or any moving parts within
the unit.
11. If the unit has an auxiliary electrich heater, it must
be installed at least 1 meter (40in) away from any
combustible materials.
12. To avoid getting an electric shock, never touch the
electrical components soon after the power supply
has been turned off. After turning off the power,
always wait 10 minutes or more before you touch the
electrical components.
WARNING
BEFORE PERFORMING ANY ELECTRICAL OR
WIRING WORK, TURN OFF THE MAIN POWER TO
THE SYSTEM.
Step 6: Connect signal cable
The signal cable enables communication between the
indoor and outdoor units. You must rst choose the right
cable size before preparing it for connection
Cable Types
• Indoor Power Cable (if applicable): H05VVF- or
H05V2V2-F.
• Outdoor Power Cable: H07RN-F
• Signal Cable: H07RH-F
Terminal block
Wire cover
Screw
Cable clamp
Space behind unit
Refrigerant piping
Insulation tape
Indoor unit
Signal wire Drain hose
Page 22
Minimum Cross-Sectional Area of Power
and Signal Cables (For reference)
Rated Current of
Appliance (A)
Nominal Cross-
Sectional Area (mm2)
> 3 y ≤ 6 0,75
> 6 y ≤ 10 1
> 10 y ≤ 16 1,5
> 16 y ≤ 25 2,5
> 25 y ≤ 32 4
> 32 y ≤ 40 6
CHOOSE THE RIGHT CABLE SIZE
The size of the power supply cable, signal cable, fuse,
and switch needed is determined by the maximum current
of the unit. The maximum current is indicated on the
nameplate located on the side panel of the unit. Refer to
this nameplate to choose the right cable, fuse, or switch.
1. Opent front panel of the indoor unit.
2. Using a screwdriver, open the wire box cover on the
right side of the unit. This will reveal the terminal block.
WARNING
ALL WIRING MUST BE PERFORMED STRICTLY
IN ACCORDANCE WITH THE WIRING DIAGRAM
LOCATED ON THE BACK OF THE INDOOR UNIT'S
FRONT PANEL.
3. Unscrew the cable clamp below the terminal block
and place it to the side.
4. Facing the back of the unit, remove the plastic panel
on the bottom left-hand side.
5. Feed the signal wire through this slot, from the back
of the unit to the front.
6. Facing the front of the unit, connect the wire according
to the indoor unit's wiring diagram, connect the u-lug
and rmly screw each wire to its corresponding
terminal.
CAUTION
DO NOT MIX UP LIVE AND NULL WIRES.
This is dangerous, and can cause the air conditioning unit
to malfunction.
7. After checking to make sure every connection is
secure, use the cable clamp to fasten the signal cable
to the unit. Screw the cable clamp down tightly.
8. Replace the wire cover on the front of the unit, andd
the plastic panel on the back.
NOTE ABOUT WIRING
THE WIRING CONNECTION PROCESS MAY DIFFER
SLIGHTLY BETWEEN UNITS AND REGIONS..
Step 7: Wrapping and cables
Before passing the piping, drain hose, and the signal cable
through the wall hole, you must bundle them together to
save space, protect them, and insulate them.
1. Bundle the drain hose, refrigeran pipes, and signal
cable as shown below..
DRAIN HOSE MUST BE ON BOTTOM
Make sure that the drain hose is at the bottom of the
bundle. Putting the drain hose at the top of the bundle can
cause the drain pan to overow, which can lead to re or
water damage.
Wedge
Move to left or right
Page 23
DO NOT INTERTWINE SIGNAL CABLE
WITH OTHER WIRES
While bundling these items together, do not intertwine or
cross the signal cable with any other wiring.
2. Using adhesive vinyl tape, attach the drain hose to
the underside of the refrigerant pipes.
3. Using insulation tape, wrap the signal wire, refrigerant
pipes, and drain hose tight
DO NOT WRAP ENDS OF PIPING
When wrapping the bundle, keep the ends of the piping
unwrapped. You need to access them to test for leaks
at the end of the installation process (refer to Electrical
Checks and Leak Checks section of this manual).
Step 8: Mount indoor unit
If you installed new connective piping to the outdoor
unit, do the following:
1. If you have already passed the refrigerant piping
through the hole in the wall, proceed to Step 4.
2. Otherwise, double-check that the ends of the
refrigerant pipes are sealed to prevent dirt or foreign
materials from entering the pipes.
3. Slowly pass the wrapped bundle of refrigerant pipes,
drain hose, and signal wire through the hole in the
wall.
4. Hook the top of the indoor unit on the upper hook of
the mounting plate.
5. Check that unit is hooked rmly on mounting by
applying slight pressure to the left and right-hand
sides of the unit. The unit should not jiggle or shift.
6. Using even pressure, push down on the bottom half of
the unit. Keep pushing down until the unit snaps onto
the hooks along the bottom of the mounting plate.
7. Again, check that the unit is rmly mounted by
applying slight pressure to the left and the right-hand
sides of the unit.
If refrigerant piping is already embedded in the wall,
do the following:
1. Hook the top of the indoor unit on the upper hook of
the mounting plate.
2. Use a bracket or wedge to prop up the unit, giving you
enough room to connect the refrigerant piping, signal
cable, and drain hose.
3. Connect drain hose and refrigerant piping (refer
Refrigerant Piping Connection section of this manual
for instructions).
4. Keep pipe connection point exposed to perform the
leak test (refer to Electrical Checks and Leak Checks
section of this manual).
5. After the leak test, wrap the connection point with
insulation tape.
6. Remove the bracket or wedge that is propping up the
unit.
7. Using even pressure, push down on the bottom half of
the unit. Keep pushing down until the unit snaps onto
the hooks along the bottom of the mounting plate.
UNIT IS ADJUSTABLE
Keep in mind that the hooks on the mounting plate are
smaller than the holes on the back of the unit. If you nd
that you don't have ample room to connect embedded
pipes to the indoor unit, the unit can be adjusted left or
right by about 30-50mm (1.25-1.95in), depending on the
model.
60 cm (24 in) por
above
30 cm (12 in)
from back wail
30 cm (12 in)
on left
60 cm (24 in)
on right
200 cm (79 in)
in front
Wind
Bafe
Strong wind
Strong wind
Strong
wind
Page 24
8. Outdoor Unit Installation
Install the unit by following local codes and regulations,
there may be differ slightly between different regions:
Installation Instructions - Outdoor Unit
Step 1: Select installation location
Before installing the outdoor unit, you must choose an
appropriate location. The following are standards that will
help you choose an appropriate location for the unit..
Proper installation locations meet the following
standards:
5Meets all spatial requirements shown in Installation
Space Requirements above
5Good air circulation and ventilation
5Firm and solid - the location can support the unit
and will not vibrate
5Noise from the unit will not disturb others
5Protected from prolonged periods of direct sunlight
or rain
55 Where snowfall is anticipated, raise the unit
above the base pad to prevent ice buildup and
coil damage. Mount the unit high enough to be
above the average accumulated area snowfall. The
minimum height must be 18 inches.
DO NOT install unit in the following locations:
[Near an obstacle that will block air inlets and outlets
[Near a public street, crowded areas, or where noise
from the unit will disturb others
[Near animals or plants that will be harmed by hot
air discharge
[Near any source of combustible gas
[In a location that is exposed to large amounts of
dust [ In a location exposed to a excessive amounts
of salty
SPECIAL CONSIDERATIONS FOR
EXTREME WEATHER
If the unit is exposed to heavy wind:
Install unit so that air outlet fan is at a 90º angle to the
direction of the wind. If needed, build a barrier in front of
the unit to protect it from extremely heavy winds.
See Figures below.
If the unit is frequently exposed to heavy rain or snow:
Build a shelter above the unit to protect it from the rain or
snow. Be careful not to obstruct air ow around the unit.
If the unit is frequently exposed to salty air (seaside):
Use outdoor unit that is specially designed to resist
corrosion.
Step 2: Install drain join (Heat pump unit only)
Before bolting the outdoor unit in place, you must install
the drain joint at the bottom of the unit. Note that there are
two different types of drain joints depending on the type
of outdoor unit.
If the drain joint comes with a rubber seal (see Fig. A),
do the following:
1. Fit the rubber seal on the end of the drain joint that will
connect to the outdoor unit.
2. Insert the drain joint into the hole in the base pan of
the unit.
3. Rotate the drain joint 90º until it clicks in place facing
the front of the unit.
4. Connect a drain hose extension (not included) to
the drain joint to redirect water from the unit during
heating mode.
If the drain joint doesn't come with a rubber seal (see
Fig. B), do the following:
5. Insert the drain joint into the hole in the base pan of
the unit. The drain joint will click in place.
6. Connect a drain hose extension (not included) to
the drain joint to redirect water from the unit during
heating mode.
Base pan hole of
outdoor unit
Seal
Seal
Drain joint
(A) (B)
Admisión de aire
Air inlet
Air outlet
Page 25
IN COLD CLIMATES
In cold climates, make sure that the drain hose is as
vertical as possible to ensure swift water drainage. If
water drains too slowly, it can freeze in the hose and ood
the unit.
Step 3: Anchor outdoor unit
The outdoor unit can be anchored to the ground or to
a wall-mounted bracket with bolt (M10). Prepare the
installation base of the unit according to the dimensions
below.
UNIT MOUTING DIMENSIONS
The following is a list of different outdoor unit sizes and
the distance between their mounting feet. Prepare the
installation base of the unit according to the dimensions
below
Outdoor Unit Dimensions (mm) Mounting Dimensions
A x H x F Distance A (mm) Distance B (mm)
681 x 434 x 285 (26,8" x 17,1" x 11,2") 460 (18,1") 292 (11,5")
700 x 550 x 270 (27,5" x 21,6" x 10,6") 450 (17,7") 260 (10,2")
700 x 550 x 275 (27,5" x 21,6" x 10,8") 450 (17,7") 260 (10,2")
720 x 495 x 270 (28,3" x 19,5" x 10,6") 452 (17,7") 255 (10,0")
728 x 555 x 300 (28,7" x 21,8" x 11,8") 452 (17,8") 302 (11,9")
765 x 555 x 303 (30,1" x 21,8" x 11,9") 452 (17,8") 286 (11,3")1
770 x 555 x 300 (30,3" x 21,8" x 11,8") 487 (19,2") 298 (11,7")
805 x 554 x 330 (31,7" x 21,8" x 12,9") 511 (20,1") 317 (12,5")
800 x 554 x 333 (31,5" x 21,8" x 13,1") 514 (20,2") 340 (13,4")
845 x 702 x 363 (33,3" x 27,6" x 14,3") 540 (21,3") 350 (13,8")
890 x 673 x 342 (35,0" x 26,5" x 13,5") 663 (26,1") 354 (13,9")
946 x 810 x 420 (37,2" x 31,9" x 16,5") 673 (26,5") 403 (15,9")
946 x 810 x 410 (37,2" x 31,9" x 16,1") 673 (26,5") 403 (15,9")
Cover
Screw
Page 26
If you will install the unit on the ground or on a
concrete mounting platform, do the following:
1. Mark the positions for four expansion bolts based on
dimensions chart.
2. Pre-drill holes for expansion bolts.
3. Place a nut on the end of each expansion bolt.
4. Hammer expansion bolts into the pre-drilled holes.
5. Remove the nuts from expansion bolts, and place
outdoor unit on bolts.
6. Put washer on each expansion bolt, then replace the
nuts.
7. Using a wrench, tighten each nut until snug.
WARNING
WHEN DRILLING INTO CONCRETE, EYE PROTECTION
IS RECOMMENDED AT ALL TIMES.
If you will install the unit on a wall-mounted bracket,
do the following:
CAUTION
Make sure that the wall is made of solid brick, concrete,
or of similarly strong material. The wall must be able to
support at least four times the weight of the unit.
1. Mark the position of bracket holes based on
dimensions chart.
2. Pre-drill the holes for the expansion bolts.
3. Place a washer and nut on the end of each expansion
bolt.
4. Thread expansion bolts through holes in mounting
brackets, put mounting brackets in position, and
hammer expansion bolts into the wall.
5. Check that the mounting brackets are level.
6. Carefully lift unit and place its mounting feet on
brackets.
7. Bolt the unit rmly to the brackets.
8. If allowed, install the unit with rubber gaskets to
reduce vibrations and noise.
Step 4: Connect signal and power cables
The outside unit's terminal block is protected by
an electrical wiring cover on the side of the unit. A
comprehensive wiring diagram is printed on the inside of
the wiring cover.
WARNING
BEFORE PERFORMING ANY ELECTRICAL OR
WIRING WORK, TURN OFF THE MAIN POWER TO
THE SYSTEM.
1. Prepare the cable for connection:
USE THE RIGHT CABLE
• Indoor Power Cable (if applicable): H05VV-F or
H05V2V2-F
• Outdoor Power Cable: H07RN-F
• Signal Cable: H07RN-FF
CHOOSE THE RIGHT CABLE SIZE
The size of the power supply cable, signal cable, fuse,
and switch needed is determined by the maximum current
of the unit. The maximum current is indicated on the
nameplate located on the side panel of the unit. Refer to
this nameplate to choose the right cable, fuse, or switch.
a. Using wire strippers, strip the rubber jacket from
both ends of cable to reveal about 40mm (1.57in) of
the wires inside.
b. Strip the insulation from the ends of the wires.
c. Using a wire crimper, crimp u-lugs on the ends of
the wires.
PAY ATTENTION TO LIVE WIRE
While crimping wires, make sure you clearly distinguish
the Live ("L") Wire from other wires.
WARNING
ALL WIRING WORK MUST BE PERFORMED
STRICTLY IN ACCORDANCE WTH THE WIRING
DIAGRAM LOCATED INSIDE OF WIRE COVER OF
THE OUTDOOR UNIT.
2. Unscrew the electrical wiring cover and remove it.
3. Unscrew the cable clamp below the terminal block
and place it to the side.
4. Connect the wire according to the wiring diagram, and
rmly screw the u-lug of each wire to its corresponding
terminal.
5. After checking to make sure every connection is
secure, loop the wires around to prevent rain water
from owing into the terminal.
6. Using the cable clamp, fasten the cable to the unit.
Screw the cable clampd down tightly.
7. Insulare unused wires with PCV electrical tape.
Arrange them so that they do not touch any electrical
or metal parts.
8. Replace the wire cover on the side of the unit, and
screw it in place.
Oblique Rough Warped
Pipe
Reamer
Point down
Page 27
9. Refrigerant Piping Connection
When connecting refrigerant piping, do not let substances or gases other than the specied refrigerant enter the unit.
The presence of other gases or substances will lower the unit's capacity, and can cause abnormally high pressure in
the refrigeration cycle. This can cause explosion and injury.
Note on Pipe Length
The length of refrigerant piping will affect the performance and energy efciency of the unit. Nominal efciency is tested
on units with a pipe length of 5 meters. A minimum pipe run of 3 meters is requires to minimise vibration & excessive
noise.
Refer to the table below for specications on the maximum length and drop height of piping.
Model Capacity (Btu/h) Max. Length (m.) Max. Drop Height (m.)
R-32 Refrigerant Split Air
<15 000 25 10
≥ 15,000 and < 24,000 30 20
≥ 24 000 y < 36 000 50) 25
R-32 Fixed-speed Split Air
<18 000 20 8
≥ 18,000 and < 36,000 25 10
Connection Instructions - Refrigerant
Piping
Step 1: Cut pipes
When preparing refrigerant pipes, take extra care to cut
and are them properly. This will ensure efcient operation
and minimize the need for future maintenance.
1. Measure the distance between the indoor and outdoor
units.
2. Using a pipe cutter, cut the pipe a little longer than the
measured distance.
3. Make sure that the pipe is cut at a perfect 90º angle.
DO NOT DEFORM PIPE WHILE CUTTING
Be extra careful not to damage, dent, or deform the pipe
while cutting. This will drastically reduce the heating
efciency of the unit.
Step 2: Remove burrs
Burrs can affect the air-tight seal of refrigerant piping
connection. They must be completely removed.
1. Hold the pipe at a downward angle to prevent burrs
from falling into the pipe.
2. Using a reamer or deburring tool, remove all burrs
from the cut section of the pipe.
Step 3: Flare pipe ends
Proper aring is essential to achieve an airtight seal
1. After removing burrs from cut pipe, seal the ends with
PVC tape to prevent foreign materials from entering
the pipe.
2. Sheath the pipe with insulating material.
3. Place are nuts on both ends of pipe. Make sure they
are facing in the right direction, because you can't put
them on or change their direction after aring. PVC de
los extremos del tubo.
Flare nut
Copper pipe
Pipe
Flare form
Radius ≥ 10 cm (4 in)
Indoor unit tubing Flare nut Pipe
Page 28
4. Remove PVC tape from ends of pipe when ready to
perform aring work.
5. Clamp are form on the end of the pipe. The end of
the pipe must extend beyond the edge of the are
form in accordance with the dimensions shown in the
table below.
PIPING EXTENSION BEYOND FLARE
FORM
Outer Diameter of
Pipe (mm)
A (mm)
Min. Max.
Ø 6,35 (Ø 0,25") 0,7 (0,0275") 1,3 (0,05")
Ø 9,52 (Ø 0,375") 1,0 (0,04") 1,6 (0,063")
Ø 12,7 (Ø 0,5") 1,0 (0,04") 1,8 (0,07")
Ø 16 (Ø 0,63") 2,0 (0,078") 2,2 (0,086")
Ø19 (Ø 0,75") 2,0 (0,078") 2,4 (0,094")
6. Place aring tool onto the form.
7. Turn the handle of the aring tool clockwise until the
pipe is fully ared.
8. Remove the aring tool and are form, then inspect
the end of the pipe for cracks and even aring.
Step 4: Connect pipes
When connecting refrigerant pipes, be careful not to use
excessive torque or to deform the piping in any way. You
should rst connect the low-pressure pipe, then the high-
pressure pipe.
MINIMUM BEND RADIUS
When bending connective refrigerant piping, the minimum
bending radius is 10cm.
Instructions for Connecting Piping to
Indoor Unit
1. Align the center of the two pipes that you will connect.
2. Tighten the are nut as tightly as possible by hand.
1. Using a spanner, grip the nut on the unit tubing.
1. While rmly gripping the nut on the unit tubing, use
a torque wrench to tighten the are nut according to
the torque values in the Torque Requirements table
below. Loosen the aring nut slightly, then tighten
again.
Valve cover
Page 29
TORQUE REQUIREMENTS
Outer Diameter of Pipe
(mm)
Tightening Torque
(Nm)
Flare dimension (B)
(mm) Flare shape
Ø 6,35 (Ø 0,25") 18~20 (180~200 kgf·cm) 8,4~8,7 (0,33~0,34")
Ø 9,52 (Ø 0,375") 32~39 (320~390 kgf·cm) 13,2~13,5 (0,52~0,53")
Ø 12,7 (Ø 0,5") 49~59 (490~590 kgf·cm) 16,2~16,5 (0,64~0,65")
Ø 16 (Ø 0,63") 57~71 (570~710 kgf·cm) 19,2~19,7 (0,76~0,78")
Ø 19 (Ø 0,75") 67~101 (670~1010 kgf·cm) 23,2~23,7 (0,91~0,93")
DO NOT USE EXCESSIVE TORQUE
Excessive force can break the nut or damage the refrigerant piping. You must not exceed torque requirements shown
in the table above..
Instructions for Connecting Piping to
Outdoor Unit
1. Unscrew the cover from the packed valve on the side
of the outdoor unit.
2. Remove protective caps from ends of valves.
3. Align ared pipe end with each valve, and tighten the
are nut as tightly as possible by hand.
4. Using a spanner, grip the body of the valve. Do not
grip the nut that seals the service valve.
5. While rmly gripping the body of the valve, use a
torque wrench to tighten the are nut according to the
correct torque valvues.
6. Loosen the aring nut slightly, then tighten again.
7. Repeat Steps 3 to 6 for the remaining pipe
USE SPANNER TO GRIP MANI BODY
OF VALVE
Torque from tightening the are nut can snap off other
parts of valve.
Manifold Gauge
Pressure gaugeCompound gauge
High pressure
valve
-76cmHg
Charge hose
Low pressure valve
Vacuum
pump
Low pressure valve
Pressure hose/
Charge hose
Flare nut
Cap
Valve stem
Valve body
Page 30
10. Air Evacuation
Preparations and Precautions
Air and foreign matter in the refrigerant circuit can cause
abnormal rises in pressure, which can damage the air
conditioner, reduce its efciency, and cause injury. Use
a vacuum pump and manifold gauge to evacuate the
refrigerant circuit, removing any non-condensable gas
and moisture from the system
Evacuation should be performed upon initial installation
and when unit is relocated.
BEFORE PERFORMING EVACUATION
5Check to make sure the connective pipes between
the indoor and outdoor units are connected properly.
5Check to make sure all wiring is connected properly.
Evacuation Instructions
1. Connect the charge hose of the manifold gauge to
service port on the outdoor unit's low pressure valve.
2. Connect another charge hose from the manifold
gauge to the vacuum pump.
3. Open the Low Pressure side of the manifold gauge.
Keep the High Pressure side closed.
4. Turn on the vacuum pump to evacuate the system.
5. Run the vacuum for at least 15 minutes, or until
the Compound Meter reads -76cmHG (-105Pa) del
sistema.
6. Close the Low Pressure side of the manifold gauge,
and turn off the vacuum pump.
7. Wait for 5 minutes, then check that there has been no
change in system pressure.
8. If there is a change in system pressure, refer to Gas
Leak Check section for information on how to check
for leaks. If there is no change in system pressure.
unscrew the cap from the packed valve (high pressure
valve).
9. Insert hexagonal wrench into the packed valve (high
pressure valve) and open the valve by turning the
wrench in a 1/4 counterclockwise turn. Listen for
gas to exit the system, then close the valve after 5
seconds.
10. Watch the Pressure Gauge for one minute to make
sure that there is no change in pressure. The Pressure
Gauge should read slightly higher than atmospheric
pressure.
11. Remove the charge hose from the service port.Utilice
una llave hexagonal para abrir al máximo la válvula
de alta presión y la válvula de baja presión.
12. Using hexagonal wrench, fully open both the high
pressure and low pressure valves.
13. Tighten valve caps on all three valves (service port,
high pressure, low pressure) by hand. You may
tighten it further using a torque wrench if needed..
OPEN VALVE STEMS GENTLY
When opening valve stems, turn the hexagonal wrench
until it hits against the stopper. Do not try to force the
valve to open further.
Page 31
Note on Adding Refrigerant
Some systems require additional charging depending on pipe lengths. The standard pipe length varies according to
local regulations. The standard pipe length is 5m (16'). The refrigerant should be charged from the service port on
the outdoor unit's low pressure valve. The additional refrigerant to be charged can be calculated using the following
formula:
ADDITIONAL REFRIGERANT PER PIPE LENGTH
Connective Pipe
Length (m)
Air Purging
Method Additional Refrigerantl
≤ Standard pipe length Vacuum Pump N/A
< Standard pipe length Vacuum Pump
Liquid side: Ø 6,35 (Ø0,25")
R-32:
(Pipe length - standard length) x
12 g/m
Liquid side: Ø 9,52 (Ø0,375")
R-32:
(Pipe length - standard length) x
24g/m
CAUTION
DO NOT mix refrigerant types.
Check-point of indoor unit
Check-point of outdoor unit
A: Low pressure stop valve
B: High pressure stop valve
C & D: Indoor unit are nuts
Page 32
11. Electrical and Gas Leak Checks
Before Test Run
Only perform test run after you have completed the
following steps:
• Electrical Safety Checks – Conrm that the unit's
electrical system is safe and operating properly.
• Gas Leak Checks – Check all are nut connections
and conrm that the system is not leaking
• Conrm that gas and liquid (high and low pressure)
valves are fully open
Electrical Safety Checks
After installation, conrm that all electrical wiring is
installed in accordance with local and national regulations,
and according to the Installation Manual.
BEFORE TEST RUN
Check Grounding Work
Measure grounding resistance by visual detection and
with grounding resistance tester. Grounding resistance
must be less than 0.1Ω.
DURING TEST RUN
Check for Electrical Leakage
During the Test Run, use an electroprobe and multimeter
to perform a comprehensive electrical leakage test.
If electrical leakage is detected, turn off the unit
immediately and call a licensed electrician to nd and
resolve the cause of the leakage.
WARNING – RISK OF ELECTRIC
SHOCK
ALL WIRING MUST COMPLY WITH LOCAL AND
NATIONAL ELECTRICAL CODES, AND MUST BE
INSTALLED BY A LICENSED ELECTRICIAN.
Gas Leak Checks
There are two different methods to check for gas leaks.
Soap and Water Method
Using a soft brush, apply soapy water or liquid detergent
to all pipe connection points on the indoor unit and outdoor
unit. The presence of bubbles indicates a leak.
Leak Detector Method
If using leak detector, refer to the device's operation
manual for proper usage instructions.
AFTER PERFORMING GAS LEAK
CHECKS
After conrming that the all pipe connection points DO
NOT leak, replace the valve cover on the outside unit.
Manual control button
Page 33
12. Test Run
Test Run Instructions
You should perform the Test Run for at least 30 minutes.
1. Connect power to the unit.
2. Press the ON/OFF button on the remote controller to
turn it on.
3. Press the MODE button to scroll through the following
instructions, one at a time:
• COOL – Select lowest possible temperature
• HEAT – Select highest possible temperature
4. Let each function run for 5 minutes, and perform the
following checks:
List of Checks to
Perform PASS / FAIL
No electrical leakage
Unit is properly grounded
All electrical terminals
properly covered
Indoor and outdoor units
are solidly installed
All pipe connection points
do not leak
Outdoor
(2):
Indoor
(2):
Water drains properly
from drain hose
All piping is properly
insulated
Unit performs COOL
function properly
Unit performs HEAT
function properly
Indoor unit louvers rotate
properly
Indoor unit responds to
remote controller
DOUBLE-CHECK PIPE CONNECTIONS
During operation, the pressure of the refrigerant circuit
will increase. This may reveal leaks that were not present
during your initial leak check. Take time during the Test
Run to double-check that all refrigerant pipe connection
points do not have leaks. Refer to Gas Leak Check
section for instructions.
5. After the Test Run is successfully completed,
and you conrm that all check points in List of Checks to
Perform have PASSED, do the following:
a. Using remote control, return unit to normal
operating temperature.
b. Using insulation tape, wrap the indoor refrigerant
pipe connections that you left uncovered during the
indoor unit installation process.
IF AMBIENT TEMPERATURE IS BELOW
17ºC (62ºF)
You can't use the remote controller to turn on the COOL
function when the ambient temperature is below 17ºC.
In this instance, you can use the MANUAL CONTROL
button to test the COOL function.
1. Lift the front panel of the indoor unit, and raise it until
it clicks in place.
2. The MANUAL CONTROL button is located on the
right-hand side of the unit. Press it 2 times to select
the COOL function.
3. Perform Test Run as normal.
The design and specications are subject to change without prior notice for
product improvement. Consult with the sales agency or manufacturer for
details. Any updates to the manual will be uploaded to the service website,
please check for the latest version.
CS003UI-AF(B)
16122000008774
20191009
… 32 …


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