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REMKO - powerful like a bear.
REMKO CLK
Mobile automatic heater
Edition GB – M04
Operation
Technology
Spare Parts
3
Contents Page
Safety Instructions 4
Description of Device 4
Installation Requirements 6
Safety Device 6
Waste Gas Pipes 6
Before Starting 7
Starting 7
Unit Shut Down 8
Contents Page
Maintenance and Service 8
Troubleshooting 10
Service and Guarantee 11
Technical Data 12
Wiring Diagram 13
Exploded View 14
Spare Part List 15
Initial Operation of the Forced-Air Burner 16
Maintenance Log 18
Read these instructions carefully before setting up/operating the unit!
Our guarantee becomes null and void if the unit is used, set up
or maintained improperly,
or if modifications are made to the supplied unit without our prior consent.
Subject to alterations!
Mobile automatic heater
REMKO CLK
Operating Instructions
G
Always keep these operating instructions near or on the unit!
G
4
Safety Instructions
Make sure to observe relevant local building and
fire protection codes and abide by professional as-
sociation regulations when the units are in opera-
tion.
à The unit may only be operated by persons who have
received proper training in the operation of the unit.
à The unit is to be installed and operated in such a
way as to ensure that people are not endangered by
waste gases and radiation heat and fires cannot oc-
cur.
à The unit may only be installed and operated in
rooms, when the air-rate fed to the unit is sufficient
for combustion.
à Units without an exhaust system may be operated
only in well-ventilated rooms.
Persons may not remain permanently in the room
where the unit has been installed. Warning signs are
to be posted at the entrances.
à A safety zone of 1.5 m around the unit is to be main-
tained even for non-flammable objects.
à The unit is to be installed only on a non-combustible
ground.
à The unit may not be set up or operated in surround-
ings susceptible to fire or explosions.
à Mobile fuel containers may only be installed in com-
pliance with technical regulations for flammable liq-
uids.
à The protective air suction grille must always be kept
free of dirt and loose objects.
à Do not insert foreign objects into the unit at any time.
à Do not expose the unit to a direct stream of water.
à All electrical cables outside the unit are to be pro-
tected from damage (e.g. caused by animals, etc.).
à Make sure always to pull the mains plug out of the
mains socket when maintenance and repairs are
carried out.
à While the unit is in operation, the safety mechanisms
may not be bypassed or blocked!
G
Use prototype-tested WLE-type oil burners only.
Description of Device
The units are mobile, warm air heaters with heat-
exchangers and an exhaust connection for commercial
use.
The unit is fired directly with heating oil or diesel. It is
designed for fully-automatic, universal and reliable use.
The units are only operated with separate forced-air
burners.
The unit is equipped with a quiet, high-performance ax-
ial ventilator requiring little maintenance, a connection
cable with plug and a room thermostat socket.
The standard units with forced-air burners supplied di-
rectly from the factory are equipped with a fitting for an
oil reservoir and an electric oil preheater.
Up to CLK 70: preheater in nozzle stock.
CLK 120 and higher: REMKO multifilex oil preheater.
The unit complies with the basic safety and health re-
quirements of the relevant EU regulations and is reliable
and simple to operate.
Areas of application
The units are mobile, warm air heaters that supply instan-
taneous heat. They are only used for commercial pur-
poses.
The unit can be used e.g. in the following areas:
for drying new buildings
for point heating of outdoor workplaces
for point heating of workplaces in open, non fire-
hazard fabrication rooms and halls
for heating closed and open rooms, on a permanent
or temporary basis
to de-ice machines, vehicles and non-flammable
storage goods
to maintain the temperature of components suscepti-
ble to frost as well as greenhouses
Device functionality
If the unit is switched to heating mode, the forced-air
burner starts automatically. In fully-automatic heating
mode, the forced-air burner starts only when the room
thermostats determined that heat is necessary.
After the burner has run for a short time, the temperature
control thermostat “TR (rated temperature 35 to 40 °C)
automatically switches the air supply fan on. Warm air is
blown out.
When the room thermostat is in operation, the process
above is automatically repeated depending on the
amount of heat required
.
The temperature monitor “TW” (rated temperature 80 to
85 °C) monitors the internal temperature of the unit.
After the device is switched off with the operating switch
or the room thermostat, the air supply fan runs for a cer-
tain amount of time to cool the combustion chamber with
heat-exchanger and then switches off. This process can
be repeated several times.
G
Never interrupt the power supply (except in emer-
gency situations) before the unit has reached the
end of the cool-down phase.
G
Before doing any maintenance or repair work,
make sure to unplug the unit from the power sup-
ply.
5
Monitoring operation of device
All functions of the unit are fully automatic and moni-
tored for safety by the safety facility and the automatic
burner relay (part of the forced-air burner).
If the flame burns irregularly or goes out, the unit is
switched off by the automatic burner relay. The control
lamp on the control panel and the malfunction lamp of
the automatic burner relay light up.
Before the unit can be restarted, the automatic burner relay
must be released by pressing the external reset button on
the operating panel or the reset button on the automatic
burner relay.
The fan control (TR) regulates operation of the fan. The
temperature monitor (TW) limits or regulates the tem-
perature of the unit in heating mode.
The safety temperature limiter (STB) interrupts heating
mode when extreme overheating occurs or if the tem-
perature monitor (TW) stops working or is defective.
The STB can only be manually released after the unit
has cooled down.
G
Before the STB is released to begin operation
again, the reason the STB was activated must be
determined.
Installation Requirements
The heaters may only be installed in compliance with
the relevant regulations, in particular, regulations gov-
erning the installation and operation of fireplaces and
furnaces.
Any national/regional emission control laws or regula-
tions must also be observed.
à Avoid under- or overpressure in the room where the
unit is installed, as this would result in combustion
troubles.
à Make absolutely sure that the opening for air intake
and output is adjusted to the fan power (see model
plate).
If this is not possible, the burner has to be equipped
with a separate air supply device to ensure optimum
combustion.
Installation in closed, well aerated rooms without
connection to a chimney
à The units may only be operated when the minimum
amount of air required for combustion is supplied.
à A safe exhaustion of the waste gases is to be en-
sured to exclude inadmissible pollution.
- Fresh air is supplied from below.
- Waste gases are expelled upwards.
Outside installation
à Operation of the unit may not have any harmful ef-
fects or cause any unreasonable problems.
à The unit operator must ensure that unauthorised per-
sons are prevented from manipulating the unit or its
power supply.
à Because rain and snow can be sucked in by the air
supply fan, a suitable protective covering should be
used.
Heating Rooms
à Warm air generators may only be operated with a
room thermostat when heating rooms.
Accessories.
à Make sure that there is enough fresh air to ensure
optimum combustion.
Safety zones
à To ensure safe operation and guarantee unhindered
access to the unit for maintenance work, a safety
zone of 1.5 m should be maintained around the unit.
à Floors and ceilings must be fire-resistant.
Electrical Connection
à The units are operated with 400 V / 3~N / 50 Hz.
à The unit must be connected to the power source at a
special terminal equipped with a switch to protect
against faulty currents.
à Extension cable may only be laid by authorised elec-
tricians based on the capacity of a unit, the length of
the cable and in accordance with local requirements.
à All extension cable may only be used once they have
been unrolled.
G
While the unit is in operation, the safety features
may not be bypassed or blocked!
6
Information on the Safety Device
The device is equipped with a sensor monitoring feature
and is resistant to cool down to temperatures of -20°C;
below -20°C the device switches off; when the tempera-
ture rises above this temperature, it switches on again.
When the sensor or capillary tube is damaged, or when
an excess temperature of approximately 220°C is
reached, the liquid contained in the thermostat is emp-
tied and the device switches off for safety purposes.
The device is no longer operable and must be replaced
If it is necessary to replace the STB, only the original
REMKO part may be used.
à Make sure to install and mounting the device care-
fully.
à Do not bend the capillary tubes near to solder points.
à When installing the capillary tubes, be careful not to
damage or bend them too sharply.
à The sensors may only be mounted in the mounting
brackets supplied by the manufacturer.
à The sensors must always be free from dust and dirt.
Safety Device
The device has 3 safety functions:
à Fan control (TR)
à Temperature monitor (TW)
à Safety temperature limiter (STB)
Fan control (TR)
The fan control switches the circulating air fan off and
on. The point at which the device is switched on or off is
set in the control box via the temperature control ther-
mostat “Scale 21 – 60”.
Rated value approx. 35 to 40°C.
Temperature Monitor (TW)
When the unit is in heating mode, the temperature
monitor limits both the temperature of the unit and the
air being blown out. The switching point is set via the
temperature control thermostat “Scale 34 – 110” in the
control box.
Rated value approx. 80 to 85°C.
Safety Temperature Limiter (STB)
The STB controls the temperature monitor. The switch-
ing point is fixed. The burner is prevented from being re-
started if the STB is activated.
After the cover next to the control panel is removed, the
reset button must be pressed from the outside.
After the STB has been reset, the cover must be replaced.
G
Before a STB reset, check the operating conditions
to ensure that the STB temperature is not ex-
ceeded again.
à The unit generally operates properly when the waste
gas pipes have been laid at an incline and assem-
bled with vertical end pipes.
à The waste gas pipes must reach at least beyond the
gutters but preferably above the top of the roof to
prevent counter pressure caused by weather condi-
tions (e.g. wind).
à All waste gas pipe components must be securely
fastened. They may not be smaller in diameter than
the waste gas connection.
à A minimum distance of 0.6 m must be maintained
from flammable objects.
à Waste gas components incl. fasteners can be pur-
chased as accessories.
Waste Gas Pipes
When the units are operated outside or in open rooms
you do not need a waste gas pipe. However, we recom-
mend using a waste gas pipe 1 m long (see example 2)
with a rain cover on top to prevent the penetration of
rainwater and dirt.
If the units are used as room heaters, it is necessary to
route the waste gases to the outside.
G
Make absolutely sure that counter pressure is not
created by improperly laid waste gas pipes.
Important Information.
To prevent damage to the combustion chamber caused
by moisture build-up (condensation) (see example 3),
make sure that the waste gas pipes have a properly in-
stalled condensation trap (see example 1).
G
When using an waste gas connection, the burner
must be adjusted accordingly.
Example 1 Example 2 Example 3
Operation with
exhaust gas pipe
extended.
Requires conden-
sation trap
Operation without
exhaust gas pipe
extended.
max. 1 meter
Inadmissible
installation.
max.1 m.
more than 1 m.
7
Before Starting
Prior to initial operation, check the unit for any visual de-
fects on the control and safety devices, that the unit has
been installed correctly and that it has been properly
connected to the mains.
Observe the following points:
à Install the unit in a stable position.
à Make sure that air is supplied for combustion.
à Make sure that the air can be sucked in and be ex-
hausted freely.
à Avoid overpressure and underpressure in the room
where the unit has been installed.
à Make sure that enough fuel is supplied.
à Please note: the multifilex oil preheater will only func-
tion properly if voltage is supplied to the unit for a
longer time prior to initial operation.
à Use only clean heating oil or diesel.
Do not use bio diesel.
Additional information
The waste gas values of the oil-burner are to be
checked and properly adjusted by authorised personnel
to ensure compliance with local requirements.
Paraffin accumulation at low outside temperatures
A sufficient amount of heating oil must be able to flow
freely even when temperatures are low.
à Paraffin can accumulate even at temperatures below
5 °C.
à Appropriate measures must be taken to prevent this.
Use winterised heating oil or winter diesel.
Connection to the power supply
The units are operated with 400 V / 3~N / 50 Hz.
à The unit is connected to the power supply by an at-
tached power cable with a grounded contact plug.
à Extension cables may only be laid by authorised
electricians based on the capacity of a unit, the
length of the cable and in accordance with the in-
tended use.
G
The unit must be connected to the power supply at
a special terminal equipped with a switch to pro-
tect against faulty currents.
G
Extension cables may only be used once they are
unrolled.
G
Flexible fuel tubes must be protected from being
damaged, e.g. from forklifts, animals, etc.
Starting
Only those persons who have been trained in operation
of the unit may be responsible for operating and moni-
toring it.
Important information about starting the cold unit
The preheating of the nozzle stock delays the tempera-
ture depending start of the CLK 30 to CLK 70 units de-
livered with forced-air burners.
Connecting the unit to the power supply
1. Set the operating switch to “0” (OFF).
2. Connect the unit plug to a properly connected power
socket.
3. Open all shut-off fittings in the oil supply.
When operating the unit for the first time, air in the oil
supply can cause the burner to malfunction.
1. Plug the supplied bridge circuit plug
2 into the thermostat socket 1 of the
control panel.
2. Set the operating switch to I
heating.
Heating without a room thermostat
The unit runs in continuous operation.
1 2
Control Panel
bridge circuit plug
thermostat socket
reset button (burner)
control lamp, red (burner malfunction)
operating switch
control lamp, green (in operation)
safety temperature limiter
Note about the green control lamp (in operation).
The control lamp indicates that the unit is in
“heating”
mode.
When the unit is in
“ventilation” mode, nothing is dis-
played if the room thermostat is switched off or if the
STB was activated.
Ventilation
In this position only the supply air fan runs and the unit
can be used for air circulation.
1. Set operating switch to “II (ventilation).
2. Please note: in this mode, it is not possible to use
the thermostat nor can the unit be operated in
heating mode.
8
1. Remove the bridge circuit plug 2.
2. Plug the thermostat plug 3 of the
room thermostat (accessories) into
the thermostat socket 1.
3. Put room thermostat 4 in a suitable
place.
The thermostat sensor may not be
placed directly in the warm air
stream or attached to a cold sur-
face.
4. Pre-select desired room tempera-
ture on the room thermostat.
5. Set the operating switch to “I”.
When heat is required, the forced-
air burner switches on automati-
cally; operation of the unit is fully-
automatic.
Fully automatic heating with room thermostat
The unit runs fully automatically with the temperature
which has been pre-selected on the room thermostat.
1 3
Hot air distribution
The units are equipped with a high-performance axial
fan. This fan has been designed to transport the hot air
directly and effectively.
It is preferable to distribute air by means of pipes or
special hot air hoses. Warm air may only be distributed
in accordance with the fan capacity of the unit in opera-
tion.
Please follow these instructions when attaching warm
air hoses:
à Use only warm air hoses (accessories) approved by
our company.
à Make sure that the hoses and/or pipes are securely
attached to the unit’s air outlet connection.
à To prevent heat from building up, the pipes and
hoses may not have sharp kinks and bends.
à Counter pressure may not be allowed to build up
when using hoses to heat closed rooms.
à If suction temperatures increase or if there is resis-
tance on the air output opening, the forced-air burner
can be switched off at short notice by the tempera-
ture monitor (TW) in heating mode.
When the temperature falls, the burner restarts auto-
matically.
à If the intervals are too short, the length of the warm
air hoses should be checked.
G
Avoid starting the burner in frequent cycles (under
5 min.).
4
Unit Shut Down
Important information about the unit’s cool-down
phase
The air supply fan continues running to cool down the
combustion chamber and then stops at a later time.
The fan can run several times before the unit is finally
switched off.
1. Set the operating switch to “0”
OFF.
2. Shut off the fuel supply.
G
Never interrupt (except in emergency situations)
the power supply until the cool-down phase is
completely finished.
Our guarantee does not cover damages caused to
the unit by overheating.
Maintenance and Service
Regular maintenance and observance of some basic
principles are required to ensure a long service life and
to keep the unit functioning properly.
à The unit must be maintained and cleaned at regular
intervals.
à The unit must be kept free of dust and other deposits
and may only the cleaned using a dry or damp cloth.
Do not use a direct stream of water
à Do not use any aggressive cleaning agents or those
which are harmful to the environment.
à Do not use cleaning agents which contain solvents.
à Use only clean heating oil or diesel.
Make sure to keep paraffin from accumulating.
à Check oil filters regularly and replace dirty ones.
à Check the unit for mechanical damage; replace de-
fective parts when necessary.
à Check fan blades and combustion chamber with
heat-exchanger at regular intervals and clean when
dirty.
à Check oil tanks regularly for dirt and foreign objects
and clean when necessary.
à Make sure that the waste gas and combustion air
can always be properly expelled.
à Regularly check safety devices to ensure that they
are working properly.
à Always keep safety devices free of dust and dirt.
à Have the waste gas values of the burner checked
regularly by authorized personnel.
For safety purposes, we recommend entering into a
maintenance contract!
G
Prior to doing any work on the unit, make sure to
unplug it from the power source!
G
When the temperature is too high on the unit’s
outgoing air side, the heating-operation is inter-
rupted automatically by the STB!
9
Cleaning
The complete unit including heat exchanger, combus-
tion chamber and forced-air burner, is to be cleaned
from dust and dirt after every heating period, or before if
necessary, depending on the operating conditions.
Parts subject to wear and tear, such as waste gas sup-
pressors, gaskets, oil filter inserts, and oil nozzles are to
be checked and replaced if necessary.
Cleaning the heat-exchanger
1. Unplug the unit.
2. Unscrew the 4 fixing screws and remove the
blow-out cone 1.
If there are warm air hoses, they do not have to be
removed.
3. Remove revision cover 2 and take the waste gas
suppressor 4 out of unit.
4. Clean waste gas passes 5.
A special cleaning brush (Ref. No. 1103110) can be
purchased as an accessory.
5. Clean waste gas suppressors or replace them if
necessary.
6. Check gaskets 3 and revision cover 2 and replace
them if necessary.
7. Reassemble the unit in the reverse order.
5
3 2 4 1
G
Adjustments and maintenance work may only be
performed by authorised personnel.
Important information about the revision cover
à Make sure that the gaskets and the revision covers
are placed correctly.
à During assembling take care of uniform tightening of
the fixing nuts for clamping of the revision cover.
Uneven tightening may result in leakages of waste
gas.
Cleaning the combustion chamber
1. Unplug unit from the power source.
2. Remove the burner cover 1 after opening the two
quick release fasteners.
3. Unscrew the fuel filter 2 including the fuel tubes from
the mount and pull the plug 3 from the burner 4.
4. Loosen the tightening bolt on the burner flange 5
and remove the burner by pulling it towards you.
5. Place the burner and the fuel filter next to the unit.
6. Disassemble the burner flange.
7. Do not damage the flange gasket.
Damaged flange gasket can cause air to be suc-
tioned in incorrectly.
8. Clean combustion chamber through the burner open-
ing using a vacuum cleaner.
Special cleaning sets can be purchased as accesso-
ries for the REMKO industrial vacuum cleaner.
9. Assemble the burner flange and burner as described
in the following section.
5
1
2
3
4
6
10
Assembling the burner flange and the burner.
1. Check the flange gasket 6 and replace it if neces-
sary.
2. Attach the burner flange to the unit housing with the
four bolts.
Pay attention to the “UP“ (UP, HAUT) label!
3. Tighten the upper bolts.
4. Turn the lower bolts but do not tighten them so that
the burner flange can still be put together.
5. Slide the flame tube of the burner into the burner
flange.
Take note of measurement X in the diagram.
6. Attach the flame tube to the flange by lifting the
burner slightly
(3° incline)
.
Use a hexagon socket screw key.
7. Finally, tighten the lower bolts.
8. Replace the burner cover and attach securely with
the quick release fasteners.
X
Burners up to size 33: X = 20 mm
Burners larger than 44: X = 30 mm
Additional maintenance information.
à Maintenance work on the burner may only be done
by authorised personnel.
à Make sure to comply with waste gas emission limits
in accordance with regulations.
à After maintenance work is complete, conduct an
electrical safety test.
Forced-air burner and power supply
1. Check whether fuel filter is dirty.
Replace dirty filters.
2. Check that all shut-off fittings in the oil supply are
open.
3. Check that there is enough fuel in the fuel container.
4. Check whether paraffin has accumulated in the
heating oil.
This can occur even at 5 °C.
5. Check oil tubes for damage.
6. Check the sensors and capillary pipes of the safety
devices for damage or dirt.
7. Check that the temperature monitor (TW) is working
properly.
8. Check the forced-air burner for any dirt in the noz-
zle, air flow plate, filters, etc.
Troubleshooting
Unit does not start:
1. Check power supply.
1~ 230 V.
2. Set operating switch to “I”.
3. Ensure that the “operation” lamp on the control
panel is illuminated.
It must indicate that the unit is in “heating” mode.
4. Check that the bridge circuit plug or the thermostat
plug has been plugged in correctly.
5. Check the room thermostat setting.
The temperature set on the room thermostat must
be higher than the room temperature.
6. Check whether the safety temperature limiter (STB)
was activated.
You must remove the protective cover next to the
control panel.
7. Before resetting the STB, it is absolutely necessary
to determine the reason it was activated and take
appropriate measures.
The following are possible reasons:
Unit could not cool down because the power sup-
ply was interrupted.
Temperature of air being blown out is too high be-
cause hoses are not directing air properly.
Air intakes and outlets are blocked.
8. Check whether the “burner malfunction” control
lamp on the control panel is illuminated.
If so, release the automatic burner relay by pressing
the reset button.
9. Set operating switch to “II”
If the fan now starts running, look for the malfunc-
tion in the burner.
G
Prior to doing any work on the unit, unplug it from
the power supply!
11
Proper Use
These units have been designed and equipped exclu-
sively to be used for heating and ventilation for industrial
and commercial purposes.
The manufacturer is not liable for any damage resulting
from non-adherence to manufacturer specifications, le-
gal requirements or any modifications to the units.
Fan does not start:
1. Check whether fan blade is running smoothly.
2. Check the power cord on the air supply fan for dam-
age.
3. Check the fan’s operating capacitor for damage.
It is located in the unit’s control panel box.
4. Check that the fan control thermostat (TR) is work-
ing properly.
G
An operation/use other than indicated in these in-
structions is prohibited!
In the case of non-compliance, we assume no li-
ability and our guarantee becomes null and void.
Service and Guarantee
For the guarantee to be valid, the customer must com-
pletely fill out the “guarantee certificate” enclosed with
all heating units and send it back to REMKO GmbH &
Co. KG in a timely manner after purchasing of the unit
and putting it into operation.
The units have undergone several tests to ensure
proper functioning at the factory. If there are still mal-
functions that cannot be fixed by the operator using the
troubleshooting instructions, please contact your dealer
or contract partner.
Important information about resetting the burner
à If, during the start phase, the unit is switched off
again due to a malfunction, it may only be restarted
after 5 minutes have elapsed.
à Take any steps necessary to prevent another reset.
Danger of deflagration.
G
For safety purposes, repair work on the electrical
components and the burner may only be per-
formed by authorised personnel.
G
After working on the unit, conduct an electrical
safety test.
4


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