Comfort Star CLA12CA-L User manual

CLA12CA- L
CLA12CD- L
CLA18CD- L
CLA24CD- L
CSA12CA- L

CONTENTS
SAFETY PRECAUTIONS ........................................................................................................................... 1
NAME OF PARTS .................................................................................................................................. 4
REMOTE CONTROL ................................................................................................................................. 6
OPERATION INSTRUCTIONS ................................................................................................................. 12
INSTALLATION PRECAUTIONS .............................................................................................................. 13
INDOOR UNIT INSTALLATION .............................................................................................................. 14
OUTDOOR UNIT INSTALLATION .......................................................................................................... 19
TEST OPERATION .................................................................................................................................. 22
MAINTENANCE ..................................................................................................................................... 24
TROUBLESHOOTING ............................................................................................................................. 25
* The design and specifications are subject to change without prior notice for product improvement.
Consult with the sales agency or manufacturer for details.
* The shape and position of buttons and indicators may vary according to the model, but their function
are the same.

1
SAFETY
PR
ECAUTIONS
SAFETY RULES AND RECOMMENDATIONS FOR THE INSTALLER
1. Read this guide before installing and using the appliance.
2. During the installation of the indoor and outdoor units the access to the working area should be
forbidden to children. Unforeseeable accidents could happen.
3. Make sure that the base of the outdoor unit is firmly fixed.
4. Check that air cannot enter the refrigerant system and check for refrigerant leaks when moving
the air conditioner.
5. Carry out a test cycle after installing the air conditioner and record the operating data.
6. Protect the indoor unit with a fuse of suitable capacity for the maximum input current or with
another overload protection device.
7. Ensure that the mains voltage corresponds to that stamped on the rating plate. Keep the switch
or power plug clean. Insert the power plug correctly and firmly into the socket, thereby avoiding
the risk of electric shock or fire due to insufficient contact.
8. Check that the socket is suitable for the plug , otherwise have the socket changed.
9. The appliance must be fitted with means for disconnection from the supply mains having a
contact separation in all poles that provide full disconnection under over voltage category III
conditions, and these means must be incorporated in the fixed wiring in accordance with the
wiring rules.
10. The air conditioner must be installed by professional or qualified persons.
11. Do not install the appliance at a distance of less than 50 cm from inflammable substances
(alcohol, etc.) Or from pressurized containers (e.g. spray cans).
12. If the appliance is used in areas without the possibility of ventilation, precautions must be taken
to prevent any leaks of refrigerant gas from remaining in the environment and creating a danger
of fire.
13. The packaging materials are recyclable and should be disposed of in the separate waste bins.
Take the air conditioner at the end of its useful life to a special waste collection center for disposal.
14. Only use the air conditioner as instructed in this booklet. These instructions are not intended to
cover every possible condition and situation. As with any electrical household appliance, common
sense and caution are therefore always recommended for installation, operation and maintenance.
15. The appliance must be installed in accordance with applicable national regulations.
16. Before accessing the terminals, all the power circuits must be disconnected from the power supply.
17. The appliance shall be installed in accordance with national wiring regulations.
18. This appliance can be used by children aged from 8 years and above 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.

2
SAFETY
PRECAUTIONS
SAFETY RULES AND RECOMMENDATIONS FOR THE INSTALLER
19. Do not try to install the conditioner alone, always contact specialized technical personnel.
20. Cleaning and maintenance must be carried out by specialized technical personnel. In any case
disconnect the appliance from the mains electricity supply before carrying out any cleaning or
maintenance.
21. Ensure that the mains voltage corresponds to that stamped on the rating plate. Keep the switch
or power plug clean. Insert the power plug correctly and firmly into the socket, thereby avoiding
the risk of electric shock or fire due to insufficient contact.
22. Do not pull out the plug to switch off the appliance when it is in operation, since this could create
a spark and cause a fire, etc.
23. This appliance has been made for air conditioning domestic environments and must not be used
for any other purpose, such as for drying clothes, cooling food, etc.
24. Always use the appliance with the air filter mounted. The use of the conditioner without air filter
could cause an excessive accumulation of dust or waste on the inner parts of the device with
possible subsequent failures.
25. The user is responsible for having the appliance installed by a qualified technician, who must
check that it is earth in accordance with current legislation and insert a thermos magnetic circuit
breaker.
26. The batteries in remote controller must be recycled or disposed of properly. Disposal of Scrap
Batteries --- Please discard the batteries as sorted municipal waste at the accessible collection point.
27. Never remain directly exposed to the flow of cold air for a long time. The direct and prolonged
exposition to cold air could be dangerous for your health. Particular care should be taken in the
rooms where there are children, old or sick people.
28. If the appliance gives off smoke or there is a smell of burning, immediately cut off the power
supply and contact the Service Center.
29. The prolonged use of the device in such conditions could cause fire or electrocution.
30. Have repairs carried out only by an authorised Service Centra of the manufacturer. Incorrect
repair could expose the user to the risk of electric shock, etc.
31. Unhook the automatic switch if you foresee not to use the device for a long time. The airflow
direction must be properly adjusted.
32. The flaps must be directed downwards in the heating mode and upwards in the cooling mode.
33. Ensure that the appliance is disconnected from the power supply when it will remain inoperative
for a long period and before carrying out any cleaning or maintenance.
34. Selecting the most suitable temperature can prevent damage to the appliance.

3
SAFETY
PR
ECAUTIONS
SAFETY RULES AND PROHIBITIONS
1. Do not bend, tug or compress the power cord since this could damage it. Electrical shocks or fire
are probably due to a damaged power cord. Specialized technical personnel only must replace a
damaged power cord.
2. Do not use extensions or gang modules.
3. Do not touch the appliance when barefoot or parts of the body are wet or damp.
4. Do not obstruct the air inlet or outlet of the indoor or the outdoor unit. The obstruction of these
openings causes a reduction in the operative efficiency of the conditioner with possible consequent
failures or damages.
5. In no way alter the characteristics of the appliance.
6. Do not install the appliance in environments where the air could contain gas, oil or sulphur or near
sources of heat.
7. 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.
8. Do not climb onto or place any heavy or hot objects on top of the appliance.
9. Do not leave windows or doors open for long when the air conditioner is operating.
10. Do not direct the airflow onto plants or animals.
11. Along direct exposition to the flow of cold air of the conditioner could have negative effects on
plants and animals.
12. Do not put the conditioner in contact with water. The electrical insulation could be damaged and
thus causing electrocution.
13. Do not climb onto or place any objects on the outdoor unit.
14. Never insert a stick or similar object into the appliance. It could cause injury.
1 5. Children should be supervised to ensure that they do not play with the appliance. If the supply
cord is damaged, it must be replaced by the manufacturer, its service agent or similarly qualified
persons in order to avoid a hazard.

4
N
AME
OF
PARTS
Indoor Unit
Air outlet Air deflector and flap
Outdoor
Air outlet
With the protective cover removed
Mounting plate
Front panel
Emergency button
Refrigerant
connecting pipe
Air inlet
Wiring cover
Drainage pipe
Connection wiring
Valve protective cover
Gas valve
(Low pressure valve)
Liquid valve
( High pressure valve)
Note: This figure shown may be different from the actual object. Please take the latter as the
standard.
Air filter
Unit

5
N
AME
OF
PARTS
Indoor Display
4
1
2
3
1Indicator for Timer, temperature and Error codes.
2Lights up during Timer operation.
3SLEEP mode
4The symbol appears when the unit is turned on, and disappear
when the unit is turned off.
5The symbol appears when power on.
The shape and position of switches and indicators may be different according to the model,
but their function is the same.
2
3
5
1

6
REMO
TE
CONTROL
Remote control DISPLAY
No. Symbols Meaning
1Battery indicator
2Auto Mode
3Cooling Mode
4Dry Mode
5Fan only Mode
6Heating Mode
7ECO Mode
8Timer
9Temperature indicator
10 Fan speed: Auto/low/mid/high
11 Mute function
12 TURBO function
13 Up-down auto swing
14 Left-right auto swing
15 SLEEP function
16 Health function
17 Signal indicator
The display and some functions of the remote control may vary according to the model.

7
REMO
TE
CONTROL
No. Button Function
1Toturn on/off the air conditioner .
2+Todecreasetemperature,orTimer settinghours.
3-Toincreasetemperature,or Timer setting hours.
4MODE Toselectthe modeofoperation (AUTO,COOL,DRY,FAN,HEAT).
5ECO To activate/deactivate the ECO function.
6TURBO Toactivate/deactivate theTURBOfunction.
7FAN To select the fan speed of auto/low/mid/high.
8TIMER Tosetthe time for timer on/off.
9SLEEP Toswitch-on/off the functionSLEEP.
10 DISPLAY Toswitch-on/off theLEDdisplay.
11 SWING Tostoporstarthorizontallouver movement or set the desired left/rightair flow direction.
12 SWING Tostoporstart horizontallouvermovementorsetthedesiredup/down air flowdirection.
13 HEALTH Toactivate/deactivatetheHEALTHfunction(dependingonmodels).
The display and some functions of the remote control may vary according to the model.
The shape and position of buttons and indicators may vary according to the model, but their
function is the same.
The unit confirms the correct reception of each button with the beep.

8
REMO
TE
CONTROL
Replacement of Batteries
Remove the battery cover plate from the rear of the remote control, by sliding it in direction as
the arrow.
Install the batteries according the direction (+ and -) shown on the Remote Control.
Reinstall the battery cover by sliding it into place.
Use 2 pieces LRO3 AAA (1.5V) batteries.
Replace the old batteries with new ones of the same
treatment is necessary.
For some model, each time when insert the batteries in the remote controller for the first time,
you can set the Cooling only or Heating pump control type. As soon as you insert the bateries,
the symbols ( ) and ( ) start flashing, operate as below,
1 . When the ( ) is displayed, push any button, to set the Cooling only type remote controller.
2 . When the ( ) is displayed, push any button, to set the Heating pump type remote controller.
Note: If you set the remote control in cooling mode, it will not be possible to activate the
heating function in units with a heating pump. If you need to reset, take out the
batteries and install again.
Note:
1. Direct the remote control toward the Air conditioner.
2 . Check that there are no objects between the remote control and the Signal receptor in the
indoor unit.
3 . Never leave the remote control exposed to the rays of the sun.
4 . Keep the remote control at a distance of at least 1m from the television or other electrical
appliances.
Collection of such waste separately for special
Do not use rechargeable batteries.
type when the display is no longer legible.
Do not dispose batteries as unsorted municipal waste.

9
REMO
TE
CONTROL
COOLING MODE
The cooling function allows the air
conditioner to cool the room and
reduce Air humidity at the same
time.
To activate the cooling function ( COOL), press the
MODE button until the symbol appears on
the display.
With the button + or - set a temperature lower
than that of the room.
FAN MODE (Not FAN button)
FAN
To set the FAN mode, press until
appears on the display.
HEATING MODE
The heating function allows the air
conditioner to heat the room.
To activate the heating function (HEAT), press the
MODE button until the symbol appears on the
display.
With the button + or - set a temperature higher
than that of the room.
In HEATING operation, the appliance can
automatically activate a defrost cycle, which
is essential to clean the frost on the condenser
so as to recover its heat exchange function.
This procedure usually lasts for 2-10 minutes.
During defrosting, indoor unit fan stop
operation. After defrosting, it resumes to
HEATING mode automatically.
( For North American market)
If necessary, you can press ECO button 10
times within 8 seconds under heating mode
to start the forced defrosting. It will defrost
the outdoor ice much more fast.
DRY MODE
This function reduces the humidity
of the air to make the room more
comfortable.
To set the DRY mode, Press MODE until
appears in the display. An automatic function of
pre- setting is activated.
AUTO MODE
AUTO
To set the AUTO mode, press MODE until
appears on the display.
In AUTO mode the run mode will be set
automatically according to the room temperature.
FAN Change the operating fan speed.
Press FAN button to set the running fan speed,
it can be set to AUTO / LOW / MID / HIGH speed
circularly.
FAN SPEED function (FAN button)
Fan mode, air ventilation only.
COOL
DRY
Automatic mode.
H
EAT

10
REM
OTE
CONTROL
TIMER function ---- TIMER ON
To automatic switch on the
appliance.
When the unit is switch-off, you can set the
TIMER ON.
To set the time of automatic switch-on as below:
1 . Confirm the appliance is OFF. And press the
TIMER button at first time to set the needed
mode and fan speed, the will appear on
the remote display.
2 . Set the needed mode (Cool/ Heat/ Auto/ Fan/
Dry), by press the MODE button. And set the
needed fan speed, by press FAN button. And
press + or - to set the needed operation
temperature.
3. Press TIMER button at the second time to set
the switch- on.
Press + or - to set the needed timer.
4. Press TIMER button at the third time to
confirm.
CANCEL it by press TIMER button.
TIMER function ---- TIMER OFF
To automatic switch off the
appliance.
When the unit is switch-on, you can set the
TIMER OFF.
To set the time of automatic switch-off, as below:
1 . Confirm the appliance is ON.
2. Press the TIMER button at first time to set the
switch- off.
Press + or - to set the needed timer.
3. Press TIMER button at the second time to
confirm.
CANCEL it by press TIMER button.
Note: All programming should be operated within
5 seconds, otherwise the setting will be
cancelled.
SWING function
SWING
1. Press the button SWING to activate the louver,
1.1 Press to activate the horizontal flaps to
swing from up to down, the will appear
on the remote display.
Press again to stop the swing movement at
the current angle.
1.2 Press to active the vertical deflectors to
swing from left to right, the will appear
on the remote display.
Press again to stop the swing movement at
the current angle.
2 . If the vertical deflectors are positioned manually
which placed under the flaps, they allow to move
the air flow direct to rightward or leftward.
3 . For some inverter heating models, press
horizontal SWING and vertical SWING together
button at the same time, it will activate the
Self- Clean function.
This adjustment must be done while the
appliance is switched off.
Never position Flaps manually, the delicate
mechanism might seriously damaged!
Never put fingers, sticks or other objects into
the air inlet or outlet vents. Such accidental
contact with live parts might cause
unforeseeable damage or injury.
TURBO function
TURBO
To activate turbo function, press the TURBO
button, and will appear on the display.
Press again to cancel this function.
In COOL/ HEAT mode, when you select TURBO
feature, the appliance will turn to quick COOL or
quick HEAT mode, and operate the highest fan
speed to blow strong airflow.
SWING
TIMER
TIMER

11
REM
OTE
CONTROL
SLEEP function
Pre-setting automatic operating
program.
ECO function
In this mode the appliance
automatically sets the operation to
Press button to activate the SLEEP
function, and appears on the display.
Press again to cancel this function.
After 10 hours running in sleep mode, the air
conditioner will change to the previous setting
mode.
save
energy
.
Press the ECO button, the appears on the
display, and the appliance will run in ECO mode.
Press again to cancel it.
Note: The ECO function is available in both
COOLING and HEATING modes.
Health function (Optional)
1. Turn on the indoor unit at first, and long press
SLEEP and DISPLAY button together 3 seconds
to active this function, will appear on the
display.
Do it again to deactivate it.
2. When the HEALTH function is initiated, the
Ionizer/ Plasma/ Bipolar Ionizer/ UVC Lights
( depending on models) will be energized and
running.
DISPLAY function (Indoor display)
DISPLAY
Switch
ON
/
OFF
the
LED
display
on
panel.
Press DISPLAY button to switch off the LED
display on the panel. Press again to switch on the
LED display.
ECO
SLEEP

12
OPERATION INSTRUCTIONS
Attempt to use the air conditioner under the temperature beyond the specified range may cause
the air conditioner protection device to start and the air conditioner may fail to operate. Therefore,
try to use the air conditioner in the following temperature conditions.
Fixed air conditioner:
MODE
T empe rat ure Heating Cooling Dry
Room
temperature
0
~
27
17
~
32
Outdoor temperature -7 ~24
T1 climate: 15 ~43
T3 climate: 15 ~52
Inverter air conditioner:
M
ODE
T empe rat ure Heating Cooling Dry
Room temperature
0
~27
17 ~32
Outdoor temperature
-15 ~24
( Low temperature h
eating: - 20 ~24 )
T1 climate: 1 5 ~ 5 0
( Low temperature cooling: - 1 5 ~ 5 0 )
T3 climate: 15 ~55
With the power supply connected, restart the air conditioner after shutdown, or switch it to other
mode during operation, and the air conditioner protection device will start. The compressor will
resume operation after 3 minutes.
Characteristics of heating operation ( applicable to Heating pump)
Preheating:
When the heating function is enabled, the indoor unit will take 2~ 5 minutes for preheating, after
that the air conditioner will start heating and blows warm air.
Defrosting:
During heating, when the outdoor unit frosted, the air conditioner will enable the automatic
defrosting function to improve the heating effect. During defrosting, the indoor and outdoor fans
stop running. The air conditioner will resume heating automatically after defrosting finish.
Emergency button:
Open the panel and find the emergency button on the electronic control box when the remote
controller fails . ( Always press the emergency button with insulation material. )
Current status Operation Respond Enter mode
Standby Press the emergency button
o
nce
It beeps briefly once. Cooling mode
S t a n d b y
( Only for heating pump)
Press the emergency button
twice i n 3 seconds It beeps briefly twice. Heatingmode
Running Press the emergency button
o
nce
It keeps beeping for a while Offmode
control- box cover
( open the panel of indoor unit)

13
INSTALLATION PRECAUTIONS
Pipe Length and Additional Refrigerant
Inverter Models Capacity (Btu/h) 9K-12K 18K 36K
Lenght of pipe with standard charge
5m 5m 5m 5m
Lenght of pipe with standard charge (Like: North American, etc.)
7.5m 7.5m 7.5m 7.5m
Maximum distance between indoor and outdoor unit
15m 15m 25m 25m
Additional refrigerant charge
20g/m 15g/m 30g/m 25g/m
Max. diff. in level between indoor and outdoor unit
10m 10m 10m 10m
Type of refrigerant
R22/R410A R32 R22/R410A R32
ON-OFF Models Capacity (Btu/h) 9K-12K 18K-36K
Lenght of pipe with standard charge
5m 5m 5m 5m
Maximum distance between indoor and outdoor unit
15m 15m 15m 15m
Additional refrigerant charge
20g/m 15g/m 30g/m 25g/m
Max. diff. in level between indoor and outdoor unit
5m 5m 5m 5m
Type of refrigerant
R22/R410A R32 R22/R410A R32
Torque Parameters
PIPE Size Newton meter[N x m] Pound-force foot (1bf-ft) Kilogram-force meter (kgf-m)
1/4 ( 6.35) 18 - 20 24.4 - 27.1 2.4 - 2.7
3/8 ( 9.52) 30 - 35 40.6 - 47.4 4.1 - 4.8
1/2 ( 12) 45 - 50 61.0 - 67.7 6.2 - 6.9
5/8 ( 15.88) 60 - 65 81.3 - 88.1 8.2 - 8.9
Dedicated Distribution Device and Wire for Air Conditioner
Maximum Operating Current
of Air Conditioner (A)
Minimum Wire Cross-sectional
Area(mm2)
Specification of
Socket or Switch (A)
Fuse Specification (A)
80.75 10 20
8 and 10 1.0 10 20
10 and 15
1.5
16 32
15 and 24 2.5 25 32
2 4 and 2 8
4
0
3
2
6
4
28 and 32 6.0 40 64
Note: This table is only for reference, the installation shall meet the requirements of local laws
and regulations.

14
INDOOR UNIT INSTALLATION
Step1 : Select Installation location
1 .1 Ensure the installation complies with the installation minimum dimensions ( defined below) and
meets the minimum and maximum connecting piping length and maximum change in elevation
as defined in the System Requirements section.
1 . 2 Air inlet and outlet will be clear of obstructions, ensuring proper airflow throughout the room.
1 . 3 Condensate can be easily and safely drained.
1 . 4 All connections can be easily made to outdoor unit.
1 . 5 Indoor unit is out of reach of children.
1 . 6 A mounting wall strong enough to withstand four times the full weight and vibration of the unit.
1 . 7 Filter can be easily accessed for cleaning.
1 . 8 Leave enough free space to allow access for routine maintenance.
1.9 Install at least 10 ft. (3 m) away from the antenna of TV set or radio. Operation of the air
conditioner may interfere with radio or TV reception in areas where reception is weak. An
amplifier may be required for the affected device.
1 .10 Do not install in a laundry room or by a swimming pool due to the corrosive environment.
Minimum Indoor Clearances
1 3 cm
Ceiling
20 cm
1 3 cm
250cm
Floor

15
INDO
OR
UNIT
INSTALLATION
Step2: Install Mounting Plate
2.1 Take the mounting plate from the back of indoor unit.
2.2 Ensure to meet the minimum installation dimension requirements as step 1, according to the size
of mounting plate, determine the position and stick the mounting plate close to the wall.
2 .3 Adjust the mounting plate to a horizontal state with a spirit level, then mark out the screw hole
positions on the wall.
2 . 4 Put down the mounting plate and drill holes in the marked positions with drill.
2 .5 Insert expansion rubber plugs into the holes, then hang the mounting plate and fix it with screws.
Note:
( I) Make sure the mounting plate is firm enough and flat against the wall after installation.
( II) This figure shown may be different from the actual object, please take the latter as the standard.
Step3: Drill Wall Hole
A hole in the wall should be drilled for refrigerant piping , the drainage pipe, and connecting cables.
3 . 1 Determine the location of wall hole base on the position of mounting plate.
3 . 2 The hole should be have a 7 0 mm diameter at least and a small oblique angle to facilitate drainage.
3 .3 Drill the wall hole with 70 mm core drill and with small oblique angle lower than the indoor end
about 5mm to 10 mm.
3 .4 Place the wall sleeve and wall sleeve cover(both are optional parts) to protect the connection parts.
Caution:
When drill the wall hole, maker sure to avoid wires, plumbing and other sensitive components.
Wall sleeve Cover
(Optional)
Indoor
Wall sleeve
(Optional)
Outdoor
5-10mm
Small bolique angle

16
IND
O
OR
UNIT
INSTALLATION
Step4 : Connecting Refrigerant Pipe
4 .1 According to the wall hole position, select the appropriate piping mode.
There are three optional piping modes for indoor units as shown in the figure below:
In Piping Mode 1 or Piping Mode 3, a notch should be made by using scissors to cut the plastic
sheet of piping outlet and cable outlet on the corresponding side of the indoor unit.
Note: When cutting off the plastic sheet at the outlet, the cut should be trimmed to smooth.
1
Piping outlet
Cable outlet
4.2 Bending the connecting pipes with the port facing up as shown in the figure.
YES
N
O
4 .3 Take off the plastic cover in the pipe ports and take off the protective cover on the end of piping
connectors.
4 .4 Check whether there is any sundry on the port of the connecting pipe and make ensure the port
is clean.
4 .5 After align the center, rotate the nut of the connecting pipe to tighten the nut as tightly as possible
by hand.
4 .6 Use a torque wrench to tighten it according to the torque values in the torque requirements table;
( Refer to the torque requirements table on section INSTALLATION PRECAUTIONS)
4.7 Wrap the joint with the insulation pipe.
3
2

17
control box cover. And make sure that they are Control box
co
ver
of the indoor unit.
according to the wiring diagram on the electric
INDO
OR
UNIT
INSTALLATION
Step5: Connect Drainage Hose
5 . 1 Adjust the drainage hose( if applicable)
In some model, both sides of the indoor unit are provided with drainage ports, you can choose
one of them to attache the drainage hose. And plug the unused drain port with the rubber
attached in one of the ports.
Drainage ports
5 .2 Connect the drainage hose to the drainage port, ensure the joint is firm and the sealing
effect is good.
5 . 3 Wrap the joint firmly with teflon tape to ensure no leaks.
Note: Make sure there is no twists or dents, and the pipes should be placed obliquely
downward to avoid blockage, to ensure proper drainage.
Step6: Connect Wiring
6 .1 Choose the right cables size determined by the maximum operating current on the nameplate.
( Check the cables size refer to section INSTALLATION PRECAUTIONS)
6 . 2 Open the front panel of indoor unit.
6 . 3 Use a screwdriver, open the electric control box cover, to reveal the terminal block.
6 . 4 Unscrew the cable clamp.
6 . 5 Insert one end of the cable into the position
of control box from the back of the right end Front panel
6. 6 Connect the wires to corresponding terminal Wiring diagram
6 .7 Screw the cable clamp to fasten the cables.
6 .8 Reinstall the electric control box cover and
front panel.
well connected.