COOL-LIVING CL-12HA2 Mini Split Air Conditioner Instruction Manual

CL-12HA2 Mini Split Air Conditioner

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Specifications:

• Model: CL-12HA2, CL-18HA2, CL-24HA2
• Product: Mini Split Air Conditioner

Product Usage Instructions:

Safety Precautions:

Before installing and using the air conditioner, please adhere
to the following safety rules and recommendations:

1. Read the instruction manual thoroughly.

2. Restrict children’s access during installation.

3. Ensure the outdoor unit base is securely fixed.

4. Avoid air entering the refrigerant system and check for
   leaks.

5. Conduct a test cycle after installation and record operating
   data.

6. Use appropriate fuses for overload protection.

7. Verify main voltage matches specifications.

Parts:

Key parts of the air conditioner include:

• Indoor Unit: Air Outlet, Air deflector,
  Flap

• Outdoor Unit: Mounting Plate, Air Filter, Air
  Inlet, Front Panel, Emergency Button, Refrigerant Connecting Pipe,
  Drainage Pipe

Remote Control:

The remote control features symbols for Battery Indicator, Auto
Mode, Cooling Mode, and Dry Mode for convenient operation.

Operating Instructions:

Refer to the manual for detailed operating instructions
including setting temperature, fan speed, mode selection, and timer
settings.

Installation Precautions:

Follow the guidelines provided for indoor and outdoor unit
installation ensuring proper positioning and secure
connections.

Maintenance:

Regular maintenance is essential for optimal performance. Clean
filters, check for leaks, and ensure all components are in good
condition.

Troubleshooting:

If issues arise, refer to the troubleshooting section of the
manual to identify and resolve common problems.

Frequently Asked Questions (FAQ):

Q: Can I install the air conditioner by myself?

A: It is recommended to seek assistance from specialized  

technical personnel for installation to ensure safety and proper
setup.

Q: How often should I clean the air filters?

A: Regularly clean the air filters every 2-4 weeks to maintain  

efficient operation.

Q: What should I do if the remote control is not
functioning?

A: Check the battery indicator on the remote control and  

replace batteries if needed. Ensure there are no obstructions
between the remote and the unit.

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Mini Split Air Conditioner
Instruction Manual
Model: CL-12HA2, CL-18HA2, CL-24HA2
This manual includes crucial information and recommendations that we kindly request you to follow for optimal results with the air conditioner.

CONTENTS

SAFETY PRECAUTIONS

1

PARTS

4

REMOTE CONTROL

6

OPERATING INSTRUCTIONS

13

INSTALLATION PRECAUSTIONS

14

INDOOR UNIT INSTALLATION

15

OUTDOOR UNIT INSTALLATION

20

TEST OPERATION

23

MAINTENANCE

24

TROUBLESHOOTING

26

FCC

28

WARRANTY

29

• 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 functions are the same.

SAFETY PRECAUTIONS
SAFETY RULES AND RECOMMENDATIONS FOR THE INSTALLER
1. Read this guide before installing and using the appliance. 2. Restrict children’s access to the work area during the installation of indoor and outdoor units to
prevent unforeseen accidents. 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. Run a test cycle after installing the air conditioner and record the operating data. 6. The user should safeguard the indoor unit using a fuse with an appropriate capacity matching
the maximum input current or utilize another overload protection device. 7. Verify that the main voltage matches the specification on the rating plate. Keep the switch or
power plug free of dirt. Insert the power plug accurately and securely into the socket to prevent the potential hazards of electric shock or fire caused by inadequate contact. 8. Check that the socket is suitable for the plug, otherwise have the socket changed. 9. The appliance should have a disconnection mechanism from the main power supply. This mechanism should include contact separation in all poles, ensuring complete disconnection under overvoltage category III conditions. Additionally, these disconnection features must be integrated into the fixed wiring in adherence to wiring rules. 10. The air conditioner must be installed by professional or qualified person. 11. Avoid installing the appliance within a distance less than 20 inches from flammable substances such as alcohol and pressurized containers like spray cans. 12. When using the appliance in areas without ventilation options, take precautions to prevent any refrigerant gas leaks. This is essential to avoid the accumulation of gas in the environment, which could pose a fire hazard. 13. Dispose of the packaging materials in separate waste bins as they are recyclable. At the end of the air conditioner’s lifespan, take it to an authorized waste collection center for proper 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. Installation must be performed in accordance with the requirements of NEC and CEC by authorized personnel only. 18. This appliance is suitable for use by individuals aged 8 years and older, as well as individuals with reduced physical, sensory, or mental capabilities or those lacking experience and knowledge, provided they have received supervision or instruction on the safe use of the appliance and understand the associated hazards. Children should not play with the appliance, and cleaning or user maintenance tasks should not be undertaken by children without supervision.
1

SAFETY PRECAUTIONS
SAFETY RULES AND RECOMMENDATIONS FOR THE INSTALLER
1. Do not try to install the conditioner alone; always contact specialized technical personnel. 2. Specialized technical personnel should conduct cleaning and maintenance tasks. Always
disconnect the appliance from the mains electricity supply before initiating any cleaning or maintenance procedures. 3. Verify that the mains voltage matches the specification on the rating plate. Keep the switch or power plug free of dirt. Insert the power plug accurately and securely into the socket to prevent the potential hazards of electric shock or fire caused by inadequate contact. 4. Avoid pulling out the plug to switch off the appliance while it is in operation, as this action could generate a spark and potentially lead to a fire or other hazards. 5. 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. 6. Dispose of the packaging materials in separate waste bins as they are recyclable. At the end of the air conditioner’s lifespan, take it to an authorized waste collection center for proper disposal. 7. Always operate the appliance with the air filter installed. Using the air conditioner without the air filter may result in an excessive buildup of dust or debris on the internal components, potentially leading to subsequent malfunctions. 8. The user is accountable for hiring a qualified technician to install the appliance. The technician should ensure that the appliance is properly grounded according to current regulations and install a thermomagnetic circuit breaker. 9. Dispose of the batteries in the remote control through proper recycling methods. For the disposal of scrap batteries, discard them as sorted municipal waste at the accessible collection point. 10. Avoid prolonged exposure to the direct flow of cold air, as it can be potentially harmful to your health. Exercise caution in rooms where there are children, elderly individuals, or individuals with health conditions. 11. If the appliance emits smoke or there is a burning smell, promptly disconnect the power supply and get in touch with an authorized service center. The prolonged use of the device in such conditions could cause fire or electrocution. 12. Have repairs carried out only by an authorized Service Center. Incorrect repair could expose the user to the risk of electric shock, etc. 13. Disconnect the automatic switch if you anticipate not using the device for an extended period. Ensure the proper adjustment of the airflow direction. 14. The flaps must be directed downwards in the heating mode and upwards in the cooling mode. 15. Follow the instructions provided in this booklet for using the air conditioner. Note that these instructions may not cover every conceivable condition or situation. Therefore, exercise common sense and caution in the installation, operation, and maintenance of the appliance, as is prudent with any electrical household device. 16. Make sure to disconnect the appliance from the power supply if it remains inactive for an extended period and before conducting any cleaning or maintenance procedures. 17. Selecting the most suitable temperature can prevent damage to the appliance.
2

SAFETY PRECAUTIONS
SAFETY RULES AND PROHIBITIONS
1. Avoid bending, tugging, or compressing the power cord, as this may lead to damage. A damaged power cord can result in electrical shocks or fire. Only specialized technical personnel should replace a damaged power cord.
2. Do not use extension cords or surge protectors. 3. Do not touch the appliance when barefoot or parts of the body are wet or damp. 4. Avoid blocking the air inlet or outlet of both the indoor and outdoor units. Obstructing these
openings can lead to a decrease in the operational efficiency of the air conditioner, potentially causing failures or damage. 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 sulfur or near sources of heat. 7. This appliance is not meant for use by individuals (including children) with diminished physical, sensory, or mental capabilities or those lacking experience and knowledge, unless they are under the supervision or instruction of 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. A long 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 cause electrocution. 13. Do not climb onto or place any heavy or hot objects on top of the appliance. 14. Do not leave windows or doors open when the air conditioner is operating. 15. Never insert your finger, a stick, etc., into the air inlet / outlet. Doing so could cause injury. 16. Supervise children to prevent them from playing with the appliance. If the supply cord is damaged, it should be replaced by the manufacturer, its service agent, or similarly qualified individuals to avoid potential hazards.
3

PARTS
Indoor Unit
Air Outlet Air deflector and Flap
Outdoor Unit

Mounting Plate Air Filter
Air Inlet Front Panel Emergency Button
Refrigerant Connecting Pipe

Air Inlet Wiring Cover

Drainage Pipe

Connection Wiring Valve Protective Cover

With the protective cover removed.

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.

4

PARTS
Indoor Display

2

1

3

No.

LED

Function

1

Indicator for Timer, Temperature and Error codes.

2

Lights up during Timer operation.

3

SLEEP mode.

The shape and position of switches and indicators may be different according to the model, but their function is the same.

5

REMOTE CONTROL
Remote Control Display

No. Symbols Meaning

1

Battery Indicator

2

Auto Mode

3

Cooling Mode

4

Dry Mode

5

Fan Only Mode

6

Heating Mode

7

ECO Mode

8

Timer

9

Temperature Indicator

10

Fan Speed:

Auto/low/low-mid/mid/mid-high/high

11

Mute Function

12

TURBO function

13

Up-down auto swing

14

Left-right auto swing

15

SLEEP function

16

Health function

17

I FEEL function

18

8oC heating function

19

Signal indicator

20

Gentle wind

21

Child-Lock

22

Display ON/OFF

The display and some functions of the remote control may vary according to the model. 6

REMOTE CONTROL

No. Button

Function

1

To turn on/off the air conditioner.

2

To increase temperature, or Timer setting hours.

3

To decrease temperature, or Timer setting hours.

4

MODE To select the mode of operation (AUTO, COOL, DRY, FAN, HEAT).

To activate/deactivate the ECO function.

ECO

5

Long press to activate/deactivate the 8oC heating function (depending on

models).

6 TURBO To activate/deactivate the TURBO function.

7

FAN

To select the fan speed of auto/low/mid/high.

8

TIMER To set the time for timer on/off.

9

SLEEP To switch-on/off the function SLEEP.

10 DISPLAY 11 SWING

12 SWING

13

I FEEL

To switch-on/off the LED display.
To stop or start horizontal flaps louver movement or set the desired up/down air flow direction. To stop or start vertical deflectors louver movement or set the desired left/right air flow direction.
To switch-on/off the I FEEL function.

To switch-on/off the MUTE function.

MUTE

14

Long press to activate/deactivate the GEN function (depending on models).

15 MODE + TIMER To activate/deactivate the CHILD-LOCK function.

SWING

• 16 SWING
  17 FAN + MUTE

To activate/deactivate the SELF-CLEAN function (depending on models). To activate/deactivate the GENTLE WIND function (depending on models).

18

SLEEP + To activate/deactivate the HEALTH function (depending on models).

DISPLAY

19

I SET

To memory the setting temperature, setting mode and setting fan speed as you

need.

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.

7

REMOTE 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 to the direction (+ and -) shown on the Remote Control. Reinstall the battery cover by sliding it into place.
Use 2 LRO3 AAA (1.5V) batteries. Do not use rechargeable batteries. Replace the old batteries with new ones of the same type when the display is no longer legible. Do not dispose batteries as unsorted municipal waste. Collection of such waste separately for special treatment is necessary.

For certain models, when inserting batteries into the remote controller for the first time, it’s necessary to set the control type, either Cooling only or Heating pump. Follow these steps after inserting the batteries:

1. When the ( 2. When the (
controller.

) is displayed, push any button, to set the Cooling only type remote control. ) is displayed, push any button, to set the Heating pump type remote

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.

Change C to F: To enter the change mode, press and hold the TURBO button for 5 seconds. Continue holding the TURBO button until it changes from C to F. Release the button and wait for 5 seconds; the selected function will then be activated.
To Operate the unit with the Remote Control:
1. Aim the remote control towards the air conditioner. 2. Ensure there are no objects obstructing the signal path between the remote control and the signal
receptor in the indoor unit. 3. Avoid exposing the remote control to direct sunlight. 4. Maintain a distance of at least 1 foot between the remote control and the television or other
electrical appliances.
8

REMOTE CONTROL

COOLING MODE

COOL

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

Fan mode, air ventilation only.

To set the FAN mode, press MODE until appears on the display.

HEATING MODE

HEAT

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

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.

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 faster.

DRY MODE

DRY

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.

FAN SPEED Function (FAN button)

FAN

Change the operating fan speed.

Press FAN button to set the running fan speed, it can be set to AUTO/ MUTE/ LOW/ LOW-MID / MID/ MID-HIGH/ HIGH/ TURBO speed circularly.
(Flash)

AUTO MODE
AUTO Automatic mode.
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.

Child-Lock Function
1. Long press MODE and TIMER button together to activate this function and repeat to deactivate this function.
2. Under this function, no buttons will be active.

9

REMOTE CONTROL

TIMER Function -TIMER ON

SWING Function

TIMER

To automatically switch on the appliance.

SWING SWING

When the unit is switch-off, you can set the TIMER ON.

To set the time of automatic switch-on as below:

1. Press TIMER button first time to set

the switch-on, and

will appear on the

remote display and flashes.

2. Press or to button to set desired Timer-on

time. Each time you press the button, the time

increases/decreases by half an hour between 0

and 10 hours and by one between 10 and 24

hours. 3. Press TIMER button second time to confirm.

4. After Timer-on setting, set the needed mode (Cool/ Heat/ Auto/ Fan/ Dry), by pressing the MODE button. And set the needed fan speed, by press FAN button. And press or to set

the needed operation temperature.

CANCEL it by press. TIMER button.

TIMER Function —- TIMER OFF

TIMER

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 completed within 5 seconds, otherwise the setting will be cancelled.

1. Press the button SWING to activate the louver, 1.1 Press SWING 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 SWING 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 made while the appliance is switched off.
Never position “Flaps” manually, the delicate mechanism might be 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.

10

REMOTE CONTROL
MUTE Function
MUTE
1. Press MUTE button to active this function, and will appears on the remote display. Do it again to deactivate this function.
2. When the MUTE function runs, the remote controller will display the auto fan speed, and the indoor unit will operate at lowest fan speed to be quiet feeling.
3. When FAN/ TURBO/ SLEEP button is pressed, the MUTE function will be cancelled. MUTE function cannot be activated under dry mode.

ECO Function

ECO

In this mode the appliance automatically sets the operation to

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.

SLEEP Function

SLEEP

Pre-setting automatic operating program.

Press SLEEP 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.

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.

I FEEL Function (Optional)

GEN Function (Optional)

I FEEL
Press I FEEL button to active the function, the will appear on the remote display.
Do it again to deactivate this function.
This function enables the remote control to measure the temperature at its current location and send this signal to the air conditioner to optimize the temperature around you and ensure the comfort. It will automatically deactivate 2 hours later.

1. Turn on the indoor unit at first, and long press MUTE button 3 seconds to active, and do it again to deactivate this function.
2. Under this function, short press MUTE button to select the General type L3 – L2 – L1 – OF.
3. Select OF and wait 2 seconds to exit it.

• If the indoor unit displays “0A”, please use the remote to raise the operating gear of the GEN mode, and the compressor will restart after stopping for 3 minutes.

11

REMOTE CONTROL

SELF-CLEAN Function (Optional)
Only available for some heating pump inverter models. To active this function, turn off the indoor unit at first, then press SWING and SWING button at the same time toward the indoor unit, until hear a beep, and AC will appear on the remote controller display and the indoor LED display.

Gentle Wind Function (Optional)
1. Turn on the indoor unit, and change to COOL mode, then long press FAN and MUTE button together 3 seconds to active this function, will appear on the display. Do it again to deactivate it.
2. This function will auto close the vertical flaps, and give you the comfortable gentle wind feeling.

1. This function helps carry away the accumulated dirt, bacteria, etc. from the indoor evaporator.
2. This function will run about 30 minutes, and it will return to the pre- setting mode. You can press button to cancel this function during the process. You will hear 2 beeps when it’s finished or cancelled.
It’s normal if there is some noise during this function process, as plastic materials expand with heat and contract with cold.

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.

We suggest operating this function at the following ambient conditions to avoid certain

I SET Function (Optional)

safety protection features.

Remember your favorite setting and run into it by

Indoor unit Temp < 86oF (30oC) Outdoor unit 41oF (5oC) < Temp < 86oF (30oC)

pressing One button. Remember the favorite setting: 1. In each mode (COOLING/ HEATING/ FAN/ DRY),

It’s suggested to utilize this function every 3 months.

long press ” I SET ” button for 3 seconds to remember it. 2. When “AU” flashing appears on the remote

controller display, that means the remote

46oF Heating Function (Optional)

controller remember your favorite setting.

• Press any button to quit, and you can reset it

1. Long press ECO button over 3 seconds to active by repeating steps above.

this function, and 8oC ( 46oF ) will appear on the remote display.
Do it again to deactivate this function.
2. This function will auto start the heating mode when the room temperature is lower than 8oC (46oF), and it will return to standby if the temperature reaches 9oC (48oF).
3. If the room temperature is higher than 18oC (64oF), the appliance will cancel this function

Run into the favorite setting: 1. In each mode (COOLING/ HEATING/ FAN/ DRY),
one press ” I SET ” button to activate. 2. The appliance will run on your favorite
setting, and you will see [AU] flashing on the remote controller. 3. Press it again or other buttons to cancel this function.

automatically.

12

OPERATION INSTRUCTIONS

Attempts to use the air conditioner above or below the specified range may cause the air conditioner protection function 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
Temperature Room Temperature

Heating 0 ~27 (32 ~80 )

Outdoor Temperature -7 ~24 (19 ~75 )

Cooling

Dry

17 ~32 (63 ~90 ) T1 climate: 15 ~43 (59 ~109 ) T3 climate: 15 ~52 (59 ~125 )

Inverter air conditioner:

MODE Temperature

Heating

Room Temperature 0 ~27 (32 ~80 )

-15 ~24 (5 ~75 )

Outdoor Temperature

(Low temperature heating: -20 ~24

(-4 ~75 ))

Cooling

Dry

17 ~32 (63 ~90 )

T1 climate: 15 ~50 (59 ~122 ) (Low temperature cooling:
-15 ~50 (5 ~122 ))

T3 climate: 15 ~55 (59 ~131 )

With the power supply connected, restart the air conditioner after shutdown, or switch it to another 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 finishes.

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.)

Status

Operation

Respond

Enter mode

Standby
Standby (Only for heating pump)
Running

Press the emergency button once Press the emergency button twice in 3 seconds Press the emergency button once

It beeps briefly once. It beeps briefly twice. It keeps beeping for a while

Cooling mode Heating mode
Off mode

control-box cover

(open the panel of indoor unit) 13

INSTALLATION PRECAUTIONS
Pipe Length and Additional Refrigerant
Inverter Models Capacity (Btu/h) Length of pipe with standard charge Length of pipe with standard charge (Like: North American, etc.) Maximum distance between indoor and outdoor unit Additional refrigerant charge Max. diff. in level between indoor and outdoor unit Type of refrigerant

9K-12K

18K-36K

5m/16ft 5m/16ft 5m/16ft 5m/16ft

7.5m/24ft 7.5m/24ft 7.5m/24ft 7.5m/24ft

15m/49ft 15m/49ft 25m/82ft 25m/82ft

20g/m 15g/m 30g/m 25g/m

10m/32ft 10m/32ft 10m/32ft 10m/32ft R22/R410A R32 R22/R410A R32

ON-OFF Models Capacity (Btu/h) Length of pipe with standard charge Maximum distance between indoor and outdoor unit Additional refrigerant charge Max. diff. in level between indoor and outdoor unit Type of refrigerant

9K-12K

18K-36K

5m/16ft 5m/16ft 5m/16ft 5m/16ft 15m/49ft 15m/49ft 15m/49ft 15m/49ft

20g/m 15g/m 30g/m 25g/m 5m/16ft 5m/16ft 5m/16ft 5m/16ft R22/R410A R32 R22/R410A R32

Torque Parameters

PIPE Size Newton meter [N x m]

1/4 ( 6.35)

18 – 20

3/8 ( 9.52)

30 – 35

1/2 ( 12)

45 – 50

5/8 ( 15.88)

60 – 65

Pound-force foot (Ibf-ft) 24.4 – 27.1 40.6 – 47.4 61.0 – 67.7 81.3 – 88.1

Kilogram-force meter (kgf-m) 2.4 – 2.7 4.1 – 4.8 6.2 – 6.9 8.2 – 8.9

Dedicated Distribution Device and Wire for Air Conditioner

Min. Circuit Ampacity of Air Conditioner (A)
8 8 and 10 10 and 15 15 and 24 24 and 28
28 and 32

Minimum Wire Cross-sectional Area(mm2) 0.75 1.0 1.5 2.5 4.0
6.0

Specification of Socket or Switch (A)
15 15 20 25 35
40

Fuse Specification (A)
15 15 25 40 45 55

Note: This table is only for reference, the installation shall meet the requirements of local laws and regulations.
14

INDOOR UNIT INSTALLATION
Step 1: 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. (3m) 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. 1.11 For ETL certification area, Caution: Mount with the lowest moving parts at least 8 ft. (2.4m) above
floor or grade level.
Minimum Indoor Clearances
Ceiling
20cm / 8 in.

13cm / 5 in.

13cm / 5 in.

Floor

250cm / 8ft.

15

INDOOR UNIT INSTALLATION
Step 2: 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.
Reference screw positions

Spirit level

Mounting plate

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.
Step 3: 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 at least 70mm in diameter and a small oblique angle to facilitate drainage. 3.3 Drill the wall hole with 70mm core drill and with small oblique angle lower than the indoor
end about 5mm to 10mm. 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, make sure to avoid wires, plumbing and other sensitive components.

Wall sleeve Cover (Optional)
Indoor

Wall sleeve (Optional)
Outdoor 5-10mm Small bolique angle

16

INDOOR UNIT INSTALLATION
Step 4: Connecting Refrigerant Pipe
1.1 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

2 3

Piping Outlet Cable Outlet

1.2 Bending the connecting pipes with the port facing up as shown in the figure.

YES

NO

1.3 Take off the plastic cover in the pipe ports and take off the protective cover on the end of piping connectors.
1.4 Check whether there is any dirt on the port of the connecting pipe and make ensure the port is clean.
1.5 After aligning the center, rotate the nut of the connecting pipe to tighten the nut as tightly as possible by hand.
1.6 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)
1.7 Wrap the joint with the insulation pipe.

Note: For R32 refrigerant, the connector should be placed outdoors.

Indoor

Outdoor

The connector should be outdoor.

17

INDOOR UNIT INSTALLATION
Step 5: Connect Drainage Hose
5.1 Adjust the drainage hose (if applicable) In some models, both sides of the indoor unit are provided with drainage ports, you can choose one of them to attach 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 prevent leaks.
Note: Make sure there are no twists or dents, and the pipes should be placed diagonally downward to avoid blockage and to ensure proper drainage.

Step 6: Connect Wiring
6.1 Choose the right cable 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 Using 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 of the
indoor unit. 6.6 Connect the wires to corresponding terminal according to the wiring diagram on the electric
control box cover. And make sure they are securely connected. 6.7 Screw the cable clamp to fasten the cables. 6.8 Reinstall the electric control box cover and front panel.

Control Box Cover

Cable Clamp

Wiring Diagram

18

INDOOR UNIT INSTALLATION
Step 7: Wrap Piping and Cable
To save space and protect the refrigerant pipes, connection wires and drainage hose, bundle them together with insulating tape before passing them through the wall hole.

7.1 Arrange the pipes, cables and drainage hose as seen here.

Connecting Wiring Insulation Tape

Refrigerant Piping Drainage Hose

Note: (I) Make sure the drainage hose is at the bottom. (II) Avoid crossing and bending of parts.
7.2 Using the insulating tape, wrap the refrigerant pipes, connecting wires and drainage hose together tightly.

Step 8: Mount Indoor Unit
8.1 Slowly pass the refrigerant pipes, connecting wires and drainage hose bundle through the wall hole.
8.2 Hook the top of indoor unit onto the mounting plate. 8.3 Apply slight pressure to the left and right sides of the indoor unit, make sure the indoor unit is
hooked firmly. 8.4 Press down the bottom of the indoor unit until you hear it snap securely onto the hooks of the
mounting plate. Ensure it is firmly hooked in place.
Note: If the refrigerant pips were already embedded in the wall, or if you want to connect the pipes and wires on the wall, follow these steps:
(I) Grab both ends of the bottom plate, apply a little outward force to take off the bottom plate. (II) Hook the top of the indoor unit on the mounting plate without piping and wiring. (III) Lift the indoor unit opposite the wall, unfold the bracket on the mounting plate, and use this
bracket to prop up the indoor unit, there will be a big space for operation. (IV) Repeat Steps 4-7 to wrap the refrigerant piping, wiring, connect drainage hose securely. (V) Replace the bracket mounting plate. (VI) Push down the bottom of indoor unit to let the snaps onto the bottom hooks of the mounting
plate, and make sure it is hooked firmly. (VII) Replace the bottom plate of the indoor unit.

Take off the bottom plate

Unfold the bracket on the mounting plate 19

OUTDOOR UNIT INSTALLATION
Step 1: Select Installation Location Select a site that allows for the following: 1.1 Do not install the outdoor unit near sources of heat, steam or flammable gas. 1.2 Do not install the unit in excessively windy or dusty places. 1.3 Do not install the unit where people often pass. Select a place where the air discharge and
operating sound will not disturb neighbors. 1.4 Avoid installing the unit where it will be exposed to direct sunlight (otherwise provide protection
to the unit, if necessary, that does not interfere with the air flow). 1.5 Review the spaces as shown in the picture for the air to circulate freely. 1.6 Install the outdoor unit in a safe and solid place. 1.7 If the outdoor unit is subject to vibration, place rubber blankets onto the feet of the unit.

Over 50cm/20in.

Over 30cm/12in.

Step 2: Install Drainage Hose

Over 200cm/79in.

Over 50cm/20in.

2.1 This step only for heating pump models. 2.2 Insert the drainage joint to the hole at the bottom of
the outdoor unit. 2.3 Connect the drainage hose to the joint and make the
connection securely.

Drainage Joint Drainage Hose

Step 3: Install Outdoor Unit
3.1 Using the outdoor unit installation dimensions, to mark the installation position for the expansion bolts.
3.2 Drill holes and clean the concrete dust; secure the bolts. 3.3 If applicable, install 4 rubber pads on the hole before installing the outdoor unit (optional).
This will reduce vibration and noise. 3.4 Place the outdoor unit base on the bolts and pre-drilled holes. 3.5 Use wrench to attach the outdoor unit firmly with the bolts.

Note: The outdoor unit can be mounted on a wall-mounting bracket. Follow the instructions of the wall-mounting bracket to attach the wall-mounting bracket on the wall, and then fasten the outdoor unit onto it, keeping it horizontal. The wall-mounting bracket must be able to support at least 4 times the weight of the outdoor unit.

Install 4 Rubber Pads (optional)

20

OUTDOOR UNIT INSTALLATION
Step 4: Install Wiring
4.1 Use a Phillips screwdriver to unscrew wiring cover, grasp and press it down gently to remove it.
4.2 Unscrew the cable clamp and remove it. 4.3 Following the wiring diagram inside the wiring cover, connect the connecting wires to the
corresponding terminals, and ensure all connections are secure. 4.4 Reinstall the cable clamp and wiring cover.
Note: When connecting the wires of indoor and outdoor units, the power should be shut off.

Terminal Block

Cable Clamp Wiring Cover

Wiring Diagram

Step 5: Connecting Refrigerant Pipe
5.1 Unscrew the valve cover. Grasp and press it down gently to remove it (if the valve cover is present).
5.2 Remove the protective caps from the end of the valves. 5.3 Remove the plastic cover from the pipe ports and check whether there is any debris on the port of
the connecting pipe; make sure the port is clean. 5.4 After aligning the center, rotate the flare nut of the connecting pipe to tighten the nut as tightly as
possible by hand. 5.5 Use a wrench hold the body of the valve and use a torque wrench to tighten the flare nut
according to the torque values in the torque requirements table. (Refer to the torque requirements table in section INSTALLATION PRECAUTIONS)

Remove the valve cover. Connection Pipes

Flare Nuts

21

OUTDOOR UNIT INSTALLATION
Step 6: Vacuum Pumping
6.1 Use a wrench to take down the protective caps from the service port, low pressure valve and high-pressure valve of the outdoor unit.
6.2 Connect the pressure hose manifold gauge to the service port on the outdoor unit low pressure valve.
6.3 Connect the charge hose from the manifold gauge to the vacuum pump. 6.4 Open the low-pressure valve of the manifold gauge and close the high-pressure valve. 6.5 Turn on the vacuum pump to vacuum the system. 6.6 The vacuum time should not be less than 15 minutes, or make sure the compound gauge
indicates -0.1 MPa (-76 cmHg) 6.7 Close the low-pressure valve of the manifold gauge and turn off the vacuum. 6.8 Hold the pressure for 5 minutes, make sure that the rebound of compound gauge pointer does
not exceed 0.005 MPa. 6.9 Turn the low-pressure valve counterclockwise a quarter of a turn using a hexagonal wrench to
allow a small amount of refrigerant to enter the system. After 5 seconds, close the low-pressure valve and promptly detach the pressure hose. Check all indoor and outdoor joints for leakage with soapy water or leak detector. 6.10 Fully open the low-pressure valve and high-pressure valve of the outdoor unit with hexagonal wrench. 6.11 Reinstall the protective caps of the service port, low pressure valve and high-pressure valve of the outdoor unit. 6.12 Reinstall the valve cover.

Compound Gauge

Manifold Gauge

Low Pressure Valve Service port
High Pressure Valve Valve Protective Caps
Pressure Hose

Pressure Gauge High Pressure Valve Low Pressure Valve
Charge Hose

Vacuum Pump

22

TEST OPERATION
Inspections Before Test Run Perform the following checks before starting the test run.

Description Inspection Method

Electrical Safety
inspection
Installation Safety
Inspection
Refrigerant Leakage Detection

· Check whether the power supply voltage complies with specification. · Check whether there are any wrong or missing connections between the
power line, signal line and earth wires. · Check whether the ground resistance and insulation resistance comply with
requirements. · Confirm the direction and smoothness of drainage pipe. · Confirm that the joint of refrigerant pipe is installed securely. · Confirm the outdoor unit, mounting plate, and indoor unit are installed safely
and securely. · Confirm that the valves are fully open. · Confirm that there are no foreign objects or tools left inside the unit.
Complete installation of indoor unit air inlet grille and panel. · The piping joint, the connector of the two valves of the outdoor unit, the
valve spool, the welding port, etc., where leakage may occur. · Foam detection method: Apply soapy water or foam evenly on the parts
where leakage may occur, and observe whether bubbles appear or not, if not, it indicates that the leakage detection result is safe. · Leak detector method: Use a professional leak detector and read the instructions of operation, detect at the position where leakage may occur. · The duration of leak detection for each position should last for 3 minutes or more. · If the test result shows that there is leakage, the nut should be tightened and tested again until there is no leakage. · After the leak detection is completed, wrap the exposed pipe connector of indoor unit with thermal insulation material and wrap with insulation tape.

Test Run Instructions
1. Turn on the power supply. 2. Press the ON/OFF button on the remote controller to turn on the air conditioner. 3. Press the Mode button to switch the mode to COOL and HEAT. In each mode set as below:
COOL-Set the lowest temperature. HEAT-Set the highest temperature. 4. Run the unit for about 8 minutes in each mode and check that all functions are properly running and responding to the remote control. Functions check as recommended:
· Outlet air temperature responds to both the COOL and HEAT modes. · Water drains properly from the drainage hose. · Louver and deflectors (optional) rotate properly.

23

TEST OPERATION
5. Monitor the air conditioner in its test run state for a minimum of 30 minutes. 6. Once the test run is successful, reset the settings to normal and use the remote controller to turn
off the unit by pressing the ON/OFF button. 7. Advise the user to thoroughly read this manual before using the air conditioner. Additionally,
demonstrate how to operate the air conditioner, provide essential information for service and maintenance, and offer guidance on storing accessories when not in use.
Note: If the ambient temperature exceeds the specified range mentioned in the OPERATION INSTRUCTIONS section, preventing the COOL or HEAT mode from functioning, raise the front panel and follow the instructions in the emergency button operation to activate the COOL and HEAT modes.
MAINTENANCE

Warning

· Before cleaning, ensure the machine is switched off and the power supply is disconnected for at least 5 minutes.
· Never flush the air conditioner with water under any circumstance. · Avoid using volatile liquids like thinner or gasoline as they can damage the
air conditioner. Instead, clean it using a soft, dry cloth or a damp cloth with neutral detergent. · Regularly clean the filter screen to prevent dust buildup, especially in dusty environments, increase the cleaning frequency accordingly. · When removing the filter screen, avoid touching the fins of the indoor unit to prevent scratching them.

Clean the Unit

<40
(104 )

Wet cloth, wring it dry and gently wipe the surface of the unit. Tip: Wipe frequently to keep air conditioner clean and good appearance.

Disassemble and
Reassemble Filter

· Hold the filter’s raised handle and pull it away from the unit to detach the upper edge. Lift the filter upwards to remove it.
· When installing the filter, insert the lower end into the unit’s designated spot, then press the upper end into the corresponding position on the unit body to secure it.
Handle

24

MAINTENANCE

Clean the Filter

<40
(104 )

Opposite to the direction of taking out the filter

Take out the filter, clean it with warm soapy water, air dry and replace.

Tip: When you find accumulated dust in the filter, please clean the filter in time to ensure the clean, healthy, and efficient operation inside the air conditioner.

Cleaning Inner Air Duct

· Begin by loosening the knob in the middle of the louver and gently bend it outwards to remove it.
· Next, grip both sides of the bottom plate and push downward to detach it. · Finally, release the buckle of the deflector assembly using your thumb and
remove it. Wipe the air duct and fan assembly with a clean, damp cloth. · Clean the removed parts with soapy water, let them air dry, and then
reassemble them in the reverse order they were removed.

Louver

Deflector Assembly Bottom Plate

• <40 (104 )

When the air conditioner won’t be used for an extended period: · Remove the remote controller’s batteries and disconnect the air conditioner’s Service and power supply. Maintenance · When restarting after a long shutdown:
1. Clean the unit and the filter screen. 2. Ensure no obstructions block the indoor and outdoor unit air inlets and
outlets. 3. Confirm the drain pipe is clear. 4. Reinsert the remote controller’s batteries and check for power.

25

TROUBLESHOOTING

MALFUNCTION

POSSIBLE CAUSES

Power failure/plug pulled out.

Damaged indoor/outdoor unit fan motor.

Faulty compressor thermomagnetic circuit breaker.

The appliance does not Faulty protective device or fuses.

operate

Loose connections or plug pulled out.

It sometimes stops operating to protect the appliance.

Voltage higher or lower than the voltage range.

Active TIMER-ON function.

Strange Odor.
Noise of running water.
A fine mist comes from the air outlet. A strange noise can be heard.

Damaged electronic control board.
Dirty air filter.
Back flow of liquid in the refrigerant circulation. This occurs when the air in the room becomes very cold, for example, in the COOLING or DEHUMIDIFYING/DRY modes. This noise is made by the expansion or contraction of the front panel due to variations in temperature and does not indicate a problem. Unsuitable temperature setting.

Insufficient airflow, either hot or cold.

Obstructed air conditioner intakes and outlets. Dirty air filter.

Fan speed set at minimum.

Other sources of heat in the room.

No refrigerant.

The appliance does not respond to commands.

Remote control is not close enough to indoor unit. The batteries of remote control need to be replaced. Obstacles between remote control and signal receiver in indoor unit.

The display is off.

Active DISPLAY function. Power failure.

Strange noises during operation.

Switch off the air

Faulty electronic control board.

conditioner immediately Faulty fuses or switches. and cut off the power supply in the event of: Spraying water or objects inside the appliance.

Overheated cables or plugs.

Very strong smells coming from the appliance.

26

TROUBLESHOOTING
ERROR CODE ON THE DISPLAY
If an error occurs, the indoor unit’s display will show specific error codes: CODE Explanation Indoor room temperature sensor fault. Indoor pipe temperature sensor fault. Outdoor pipe temperature sensor fault. Refrigerant system leakage or fault. Malfunction of indoor fan motor. Outdoor ambient temperature sensor fault. Indoor and outdoor communication fault. Outdoor discharge temperature sensor fault. Outdoor IPM module fault. Outdoor current detect fault. Outdoor PCB EEPROM fault. Outdoor fan motor fault. Outdoor suction temperature sensor fault.
27

28

1-YEAR LIMITED WARRANTY
This unit is guaranteed to the original retail purchaser against defects in quality or workmanship for a period of one year from the date of original purchase. If this unit fails because of a manufacturing defect within 30 days of purchase, return the unit, with your receipt, to the retailer. After 30 days, but within the warranty period, if the unit was purchased within the continental United States, return it, freight prepaid, to KMS for repair or replacement. If the unit was purchased outside the continental United States, return the unit to the place of purchase. This warranty does not cover damage caused by misuse, abuse, overheating or alteration. Repairs made by anyone other than KMS are not covered in this warranty. KMS will not be held liable for any losses due to neglectful operation. All implied warranties, including the warranties of merchantability and of fitness of purpose, if applicable, are hereby limited in duration to the period of one year from the date of original retail purchase. Some states do not allow limitations on how long an implied warranty lasts, so the above limitations may not apply to you. Incidental or consequential damages arising from a breach of either express or implied warranties are hereby disclaimed and excluded. Some states do not allow the exclusion of limitation of incidental or consequential damages, so this limitation or exclusion may not apply to you. Upon the expiration of this warranty all such liability will terminate. No other warranties are expressed or implied. This warranty gives you specific legal rights, and you may also have other rights which vary from state to state. No informal dispute settlement mechanisms are available. This limited warranty is given in lieu of all other warranties. If you have any questions or concerns about this product, don’t hesitate to reach out to our Customer Service team. You can contact us Monday through Friday 8AM to 5PM CST at 1-800-752-5262, extension 251, or send us an email at customerservice@1kms.com.
29

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