TCL Split Type Air Conditioner Instruction Manual

Contents

• Safety Precautions
• Names of Parts
• Indoor Unit Display
• Emergency Function & Auto-Restart Function
• Remote Controller
• Operating Instructions
• Installation Manual
• Maintenance
• Troubleshooting

Safety Precautions

For the Installer

• Read this guide before installing and using the appliance.
• During installation, keep children away from the working area.
• Ensure the outdoor unit is firmly fixed.
• Check for air entering the refrigerant system and for refrigerant leaks.
• Perform a test cycle after installation and record operating data.
• The fuse in the control unit is 4A/250V.
• Protect the indoor unit with a suitable fuse or overload protection device.
• Ensure mains voltage matches the rating plate. Keep the switch/plug clean and insert it correctly.
• Check socket suitability; change if necessary.
• The appliance must be fitted with means for disconnection from the supply mains with a contact separation in all poles providing full disconnection under "overvoltage category III conditions".
• Installation must be done by professional or qualified persons.
• Do not install near flammable substances or pressurized containers (at least 50 cm away).
• Take precautions in areas without ventilation to prevent refrigerant gas danger.
• Recycle packaging materials. Dispose of the air conditioner at the end of its useful life at a special waste collection center.
• Use the air conditioner only as instructed. Common sense and caution are recommended.
• Install in accordance with applicable national regulations.
• Disconnect all power circuits before accessing terminals.
• Install in accordance with national wiring regulations.
• This appliance can be used by children aged 8+ and persons with reduced capabilities if supervised and instructed on safe use. Children should not play with the appliance. Cleaning and user maintenance should not be done by children without supervision.

For the User

• Do not try to install the conditioner alone; contact specialized personnel.
• Cleaning and maintenance must be carried out by specialized personnel. Disconnect the appliance from the mains electricity supply before any cleaning or maintenance.
• Ensure mains voltage matches the rating plate. Keep the switch/plug clean and insert it correctly to avoid electric shock or fire.
• Do not pull out the plug while the appliance is operating, as this could cause a spark and fire.
• This appliance is for domestic air conditioning only, not for drying clothes or cooling food.
• Recycle packaging materials. Dispose of the air conditioner at the end of its useful life at a special waste collection center.
• Never remain directly exposed to cold air for a long time, as it can be dangerous for your health, especially for children, the elderly, or the sick.
• If the appliance emits smoke or a burning smell, immediately cut off the power supply and contact the Service Centre. Prolonged use in such conditions could cause fire or electrocution.
• Have repairs carried out only by an authorized Service Centre. Incorrect repair can expose the user to risk of electric shock.
• If you foresee not using the device for a long time, unhook the automatic switch.
• Adjust the airflow direction properly. Flaps should be directed downwards in heating mode and upwards in cooling mode.
• Always use the appliance with the air filter mounted. Using it without a filter can cause excessive dust accumulation and failures.
• The user is responsible for ensuring qualified installation and proper earthing/grounding, including a thermomagnetic circuit breaker.
• Recycle or dispose of batteries from the remote controller properly.
• Ensure 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.
• Selecting the most suitable temperature can prevent damage to the appliance.

Safety Rules and Prohibitions

• Do not bend, tug, or compress the power cord, as this could damage it and cause electrical shocks or fire. Only specialized technical personnel should replace a damaged power cord.
• Do not use extensions or gang modules.
• Do not touch the appliance when barefoot or with wet/damp body parts.
• Do not obstruct the air inlet or outlet of the indoor or outdoor unit, as this reduces operative efficiency and may cause failures or damages.
• Do not alter the appliance's characteristics in any way.
• Do not install the appliance in environments where the air contains gas, oil, or sulphur, or near heat sources.
• 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 by a person responsible for their safety.
• Do not climb onto or place any heavy or hot objects on top of the appliance.
• Do not leave windows or doors open for long when the air conditioner is operating.
• Do not direct the airflow onto plants or animals. Prolonged direct exposure to cold air can have negative effects on plants and animals.
• Do not put the conditioner in contact with water, as electrical insulation could be damaged, causing electrocution.
• Do not climb onto or place any objects on the outdoor unit.
• Never insert a stick or similar object into the appliance, as it could cause injury.
• Children should be supervised to ensure 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 to avoid a hazard.

Names of Parts

Indoor Unit

Diagram of Indoor Unit with numbered parts.

Outdoor Unit

Diagram of Outdoor Unit with numbered parts.

Note: The figures are intended as simple diagrams and may not correspond to the appearance of the purchased units.

Indoor Unit Display

The indoor unit display shows various indicators:

The shape and position of switches and indicators may differ by model, but their function remains the same.

Emergency Function & Auto-Restart Function

Emergency Function

If the remote controller fails or maintenance is necessary:

1. Open and lift the front panel up to an angle to reach the emergency button.
2. For heating models: Press the emergency button once for COOL mode, press again within 3 seconds for HEAT mode, and press a third time after 5 seconds to turn off the unit.
3. For cooling-only models: Press the emergency button once for COOL mode, and press again to turn off the unit.

Diagram showing the location of the emergency button on the front panel.

Auto-Restart Function

The appliance is preset with an auto-restart function. In case of a sudden power failure, the module memorizes the setting conditions before the failure. When power is restored, the unit will restart automatically with the previously preserved settings.

The shape and position of the emergency button may vary by model, but its function is the same.

Remote Controller

The remote controller has various buttons for operating the air conditioner. Two types are shown: for ON/OFF models and for Inverter models.

Diagrams of two types of remote controllers.

Remote Controller Buttons

The display and some functions of the remote control may vary according to the model. The unit confirms correct button reception with a beep. Some functions may not fit your air conditioner; you will hear a beep, but the air conditioner will not respond.

Remote Controller Display Symbols

Replacement of Batteries

1. Remove the battery cover plate by sliding it in the direction of the arrow.
2. Install batteries according to the direction (+ and -) shown on the Remote Controller.
3. Reinstall the battery cover by sliding it into place.
4. Use 2 LRO 3 AAA (1.5V) batteries. Do not use rechargeable batteries. Replace old batteries with new ones of the same type when the display is no longer legible.
5. Do not dispose of batteries as unsorted municipal waste. Collection of such waste separately for special treatment is necessary.

Recommendations for locating and using the remote controller holder (if present): The remote controller should be kept in a wall-mounted holder.

Operating Instructions

The air sucked by the fan enters from the grill, passes through the filter, and is then cooled/dehumidified or heated through the heat exchanger. The direction of the air outlet is motorized up and down by flaps, and manually moved right and left by deflectors. Some models may have motorized vertical deflectors.

Diagram illustrating airflow through the air conditioner.

Turn ON/Turn OFF the Air Conditioner

Press the power button (ON/OFF) to turn the air conditioner on or off.

Diagram of remote control buttons for ON/OFF.

Cooling Mode

The cooling function cools the room and reduces humidity. To activate COOL mode, press the MODE button until the ❄️ symbol appears on the display. Use the ▼ or ∧ buttons to set a temperature lower than the room temperature.

Diagram of remote control buttons for Cooling Mode.

Heating Mode

The heating function heats the room. To activate HEAT mode, press the MODE button until the ☀️ symbol appears on the display. Use the ▼ or ∧ buttons to set a temperature higher than the room temperature.

In HEATING operation, the appliance may automatically activate a defrost cycle to clean frost from the condenser. This procedure lasts 2-10 minutes. During defrosting, the indoor unit fan stops. After defrosting, it resumes HEATING mode automatically.

Diagram of remote control buttons for Heating Mode.

Dry Mode

This function reduces humidity for increased comfort. To set DRY mode, press the MODE button until the ? symbol appears on the display. An automatic pre-setting function is activated.

Fan Mode

Fan mode provides air ventilation only. To set FAN mode, press the MODE button until the ?️ symbol appears on the display.

Auto Mode

Automatic mode. To set AUTO mode, press the MODE button until the ? symbol appears on the display. In AUTO mode, the unit automatically selects the operating mode based on the room temperature.

Change the Fan Speed

Press the FAN button to set the fan speed. Options include AUTO, MUTE, LOW, MID-LOW, MID, MID-HI, HIGH, TURBO.

Diagram showing fan speed indicators on the remote.

Air Flow Control

1. Normal 4-way air flow (vertical and horizontal):
   • Press [Vertical Louver] to activate horizontal flap swing (up/down). Press again to stop.
   • Press [Horizontal Louver] to activate vertical deflector swing (left/right). Press again to stop.
2. Vector precise air flow:
   • Press and hold [Horizontal Louver] for 1 second to enter horizontal vector air flow. Select desired swing angle. Stop selection after 5 seconds or press [Horizontal Louver] again to exit.
   • Press and hold [Vertical Louver] for 1 second to enter vertical vector air flow. Select desired swing angle. Stop selection after 5 seconds or press [Vertical Louver] again to exit.
3. If vertical deflectors are manually positioned, they can direct airflow rightward or leftward.

Important Notes:

• Adjustments must be done while the appliance is switched off.
• Never manually position the "Flaps"; the mechanism can be seriously damaged!
• Never insert fingers, sticks, or other objects into the air inlet or outlet vents. Contact with live parts may cause injury.

Diagram illustrating flap and deflector movement.

Gentle Wind (Optional)

In this mode, the appliance closes its vertical louvers, directing airflow through the louvers for a cool, windless environment. Press the GENTLE WIND button; the ? symbol will appear on the display. Press again to cancel. This function is available in COOLING mode only.

I FEEL Function

Press the I FEEL button to activate this function; the <0xF0><0x9F><0xA7><0xBD> symbol will appear on the remote display. Press again to deactivate. This function enables the remote control to measure the room temperature at its location and send this signal to the air conditioner to optimize comfort. It automatically deactivates after 2 hours.

Turbo Function

To activate turbo function, press the TURBO button; the ? symbol will appear on the display. Press again to cancel. In COOL/HEAT mode, TURBO feature provides fast cooling/heating with the highest fan speed.

Generator Mode (Optional)

This mode is helpful for unstable power areas. You can choose the current level (L1, L2, L3) for the unit. Press the GEN button to cycle through OFF, L3, L2, L1. Running current: L1=30%, L2=50%, L3=70%. Press GEN until "OF" appears to cancel.

Sleep Mode

Pre-setting automatic operating program. Press and hold the SLEEP button for 2 seconds to activate sleep mode; the ? symbol appears on the display. Press and hold for 2 seconds again to cancel. In sleep mode, the air conditioner automatically adjusts temperature and fan speed for comfortable night-time operation. After 10 hours, it returns to the previously set mode.

ECO Mode

This mode optimizes operation to save energy. Press the ECO button; the ? symbol appears on the display. Press again to cancel. ECO function is available in both COOLING and HEATING modes.

LED Display Light ON/OFF

Press the DISPLAY button and hold for 2 seconds to turn the indoor LED display light on or off.

HEALTH Function (Optional)

Press the HEALTH button to activate/exit health functions like ion generator/plasma. Note: Health function is not available when the air conditioner is off.

SELF-CLEAN Function (Optional)

1. This function helps remove accumulated dirt, bacteria, etc., from the evaporator.
2. Turn off the air conditioner, press the "CLEAN" button to enter this function; "CL" will show on the indoor unit display.
3. The function runs for about 30 minutes and exits automatically. You will hear 2 beeps upon completion or cancellation.
4. Some noise during this process is normal due to plastic material expansion/contraction with heat/cold.
5. Suggested ambient conditions for operation: Indoor unit Temp < 30°C; Outdoor unit 5°C < Temp < 30°C.
6. Suggested operation frequency: once every 3 months.

Timer Mode—Set Timer OFF

To set the air conditioner to switch off automatically. With the AC on, press the TIMER button, then use the ∧ and ▼ buttons to set the time before the AC turns off. Press the TIMER button again to start the countdown. To cancel, press the TIMER button again. If power is lost, the timer must be reset.

Diagrams showing timer setting on the remote display.

Timer Mode—Set Timer ON

To set the air conditioner to switch on automatically. With the AC off, press the TIMER button, then use the ∧ and ▼ buttons to set the time before the AC turns on. Press the TIMER button again to start the countdown. You can then set the operation mode, fan speed, temperature, and airflow. To cancel, press the TIMER button again. If power is lost, the timer must be reset.

Diagrams showing timer setting on the remote display.

CHILL Wind/ HOT Wind Function (Optional)

1. In cooling mode, press and hold TIMER/SLEEP and ECO/DISPLAY buttons for 2 seconds to activate chill wind.
2. In heating mode, press and hold TIMER/SLEEP and ECO/DISPLAY buttons for 2 seconds to activate hot wind.
3. Press and hold both buttons for 2 seconds to exit chill or hot wind function.

8°C Heating Function (Optional)

1. Press and hold ECO/DISPLAY and HEALTH/CLEAN buttons for 2 seconds to activate 8°C heating.
2. If the air conditioner is in standby, this function enables automatic heating when the indoor temperature is 8°C or lower. It returns to standby if the temperature is 18°C or higher.
3. When the AC is turned off, press and hold ECO/DISPLAY and HEALTH/CLEAN buttons for 2 seconds to exit the 8°C heating function.

I SET Function (Optional)

In any mode (COOLING/HEATING/FAN/DRY), adjust temperature, fan speed, and swing to your preference. Press and hold the "I SET" button for over 3 seconds until "AU" appears on the display and the background lighting changes. The remote controller will remember these settings. Repeat the operation to reset.

To activate this function, press "I SET" button. The AC will run according to your favorite settings, and "AU" will flash on the remote controller. Press it again or other buttons to cancel.

Operating Temperature

The air conditioner is programmed for comfortable and suitable living conditions. Using it outside these conditions may activate safety protection features.

Fixed Air Conditioner

Inverter Air Conditioner

Note: The unit may have a 3-minute delay in operation after being turned off or changing modes due to self-protection. Capacity and efficiency are based on full-load operation tests.

Installation Manual

Important Considerations for R32/R290

• Installation must be performed by professional personnel using the "Installation manual" only. Follow after-sale service regulations.
• Handle combustible refrigerant with care to avoid injury or damage.
• A leak test is mandatory after installation.
• Perform safety inspections before maintenance or repair of appliances using combustible refrigerant to minimize fire risk.
• Operate the machine under controlled procedures to minimize risks from combustible gas or vapor.
• Refer to Tables GG.1 and GG.2 for refrigerant weight and room area requirements.

Diagram related to refrigerant leak detector.

Maximum Charge and Minimum Floor Area

Formulas are provided for calculating maximum charge (m₁) and minimum floor area (Amin) based on Lower Flammable Limit (LFL) and appliance charge (M).

Installation Safety Principles

• Site Safety: Open Flames Prohibited.
• Operation Safety: Open Flames Prohibited, Ventilation Necessary. Mind Static Electricity: Wear protective clothing and anti-static gloves. Do not use mobile phones.
• Installation Safety: Use a Refrigerant Leak Detector. Ensure Appropriate Installation Location.

Please note:

• The installation site should be well-ventilated.
• Sites for installing/maintaining Refrigerant R290 should be free from open fire, welding, smoking, or heat sources above 370°C. For Refrigerant R32, the limit is 548°C.
• Take anti-static measures (clothing/gloves) when installing.
• Choose a convenient site for installation/maintenance, ensuring air inlets/outlets are not obstructed and away from heat sources or explosive environments.
• If refrigerant leaks from the indoor unit during installation, turn off the outdoor unit valve immediately, evacuate the area, and wait 15 minutes. If the product is damaged, return it to the maintenance station; do not weld refrigerant pipes or perform other operations on-site.
• Ensure even air inlet and outlet for the indoor unit.
• Avoid places with other electrical products, power switches, kitchen cabinets, beds, sofas, or valuables directly under the indoor unit lines.

Special Tools

Selecting the Installation Place

Indoor Unit

• Install on a strong, vibration-free wall.
• Ensure air inlet/outlet ports are unobstructed for proper airflow.
• Do not install near heat, steam, or flammable gas sources.
• Do not install where exposed to direct sunlight.
• Select a site where condensed water drains easily and connects easily to the outdoor unit.
• Reserve necessary spaces as shown in the picture.
• Choose a place where the filter can be easily removed.

Diagram showing required clearances for the indoor unit.

Outdoor Unit

• Do not install near heat, steam, or flammable gas sources.
• Do not install in excessively windy or dusty places.
• Do not install where people frequently pass. Ensure operating sound does not disturb neighbors.
• Avoid direct sunlight; use protection if necessary, ensuring it doesn't interfere with airflow.
• Reserve spaces as shown for air circulation.
• Install on a safe and solid place.
• If the outdoor unit is subject to vibration, use rubber gaskets on the feet.

Diagram showing installation clearances for the outdoor unit.

Installation of the Indoor Unit

Decide on indoor and outdoor unit positions, considering minimum space requirements. Do not install in wet rooms (bathroom/laundry). The installation site should be at least 250cm above the floor.

Installation of the Mounting Plate

1. Mount the rear panel horizontally and vertically.
2. Drill 32 mm deep holes for the plate.
3. Insert plastic anchors.
4. Fix the rear panel with provided tapping screws.
5. Ensure the rear panel is firmly fixed.

Note: Mounting plate shape may vary, but installation is similar.

Drilling a Hole in the Wall for Piping

1. Make a piping hole (Ø65) with a slight downward slant towards the outdoor side.
2. Insert the piping-hole sleeve to prevent damage to connection piping and wiring.

Note: Keep the drain pipe sloping downwards; otherwise, leakage may occur.

Electrical Connections—Indoor Unit

1. Open the front panel.
2. Remove the cover as indicated.
3. Refer to the circuit diagram on the unit for electrical connections.
4. Connect wires to screw terminals following numbering. Use wire size suitable for power input and national safety codes.

Notes:

• Outdoor and indoor unit cables must be suitable for outdoor use.
• The plug must be accessible after installation for easy removal if necessary.
• Ensure an efficient earth connection.
• If the power cable is damaged, it must be replaced by an authorized Service Centre.
• Optional wires can connect to the main PCB of the indoor unit by the manufacturer.

Diagram showing hole drilling for piping and electrical connections.

Refrigerant Piping Connection

Piping can run in 3 directions. Cut a notch if running in direction 1 or 3. Bind copper pipes, drain pipe, and power cables together, with the drain pipe at the bottom, ensuring water flows freely.

• Do not remove pipe caps until connecting to prevent dampness/dirt.
• Avoid bending pipes excessively (max 3 times at one point) to prevent stiffness.
• Straighten rolled pipes by gently unwinding.

Diagrams illustrating pipe shaping and extension.

Connections to the Indoor Unit

1. Remove the indoor unit pipe cap.
2. Insert the flare nut and create a flange at the connection pipe's end.
3. Tighten connections using two wrenches.
4. For R32/R290 refrigerants, mechanical connectors must be outdoors.

Indoor Unit Condensed Water Drainage

Proper drainage is crucial for installation success.

1. Place the drain hose below the piping, avoiding siphons.
2. Ensure the drain hose slopes downwards.
3. Do not bend, kink, or submerge the drain hose end in water. Lag extensions passing into the indoor unit.
4. If piping is to the right, secure pipes, cables, and drain hose to the unit's rear with a pipe connection.

Diagrams showing indoor unit water drainage.

Installation of the Indoor Unit (Continued)

After connecting pipes, install connection cables and the drain pipe. Lag joints with insulating material and secure with vinyl tape. Arrange pipes, cables, and drain hose. Run them through the wall hole and securely mount the indoor unit onto the mounting plate. Press the lower part of the unit tightly against the plate.

Diagram showing the final indoor unit mounting.

Installation of the Outdoor Unit

• Install the outdoor unit on a solid, securely fastened wall.
• Observe the procedure for positioning and leaving enough space for maintenance.
• Fasten the support to the wall using appropriate screw anchors for the wall type. Use more anchors than normally required to avoid vibration.
• Install the unit according to national regulations.

Outdoor Unit Condensed Water Drainage (Heat Pump Models)

Condensed water and ice formed during heating can be drained via the drain pipe. Fasten the drain port in the 25mm hole and connect it to the drain pipe. Ensure water drains to a suitable place.

Diagram showing outdoor unit drain port and pipe.

Electrical Connections

1. Remove the handle on the right side plate of the outdoor unit.
2. Connect the power connection cord to the terminal board, following the indoor unit's wiring diagram.
3. Fix the power connection cord with a wire clamp.
4. Confirm the wire is fixed properly.
5. Ensure an efficient earth connection.
6. Replace the handle.

Diagram showing outdoor unit electrical connections.

Connecting the Pipes

Screw flare nuts to the outdoor unit coupling using the same tightening procedures as for the indoor unit. To avoid leakage:

• Tighten flare nuts with two wrenches, being careful not to damage the pipes.
• Insufficient or excessive tightening torque can cause leakage or flange damage.
• The surest system involves using a fixed wrench and a torque wrench.

Diagram showing pipe connections and components.

Air Vacuumizing

1. Remove protective caps from service ports, low pressure valve, and high pressure valve.
2. Connect manifold gauge pressure hose to the service port on the low pressure valve.
3. Connect charge hose from manifold gauge to vacuum pump.
4. Open low pressure valve, close high pressure valve.
5. Turn on vacuum pump to vacuumize the system. Vacuum time: at least 15 minutes, or until compound gauge indicates -0.1 MPa (-76 cmHg).
6. Close low pressure valve, turn off vacuum pump.
7. Hold pressure for 5 minutes; check for rebound (should not exceed 0.005 MPa).
8. Turn low pressure valve counterclockwise 1/4 turn to let a little refrigerant fill the system, then close the valve after 5 seconds. Remove pressure hose.
9. Check all joints for leakage with soapy water or leak detector.
10. Fully open low and high pressure valves.
11. Replace protective caps and valve cover.

Diagram showing air vacuumizing setup.

Refrigerant Pressure Inspection

Provides pressure ranges for Refrigerant R290 and R32. Abnormal pressures indicate a problem with the system or refrigerant.

Diagram illustrating pressure gauge connections.

BLEEDING

To prevent compressor malfunction, bleed air and humidity from the refrigerant circulation using a vacuum pump after connecting indoor and outdoor units.

1. Unscrew and remove caps from 2-way, 3-way valves, and service port.
2. Connect vacuum pump hose to the service port.
3. Operate vacuum pump for 10-15 minutes until absolute vacuum of 10 mm Hg is reached.
4. With the vacuum pump operating, close the low-pressure knob. Stop the pump.
5. Open the 2-way valve 1/4 turn, then close after 10 seconds. Check all joints for leaks using liquid soap or an electronic leak device.
6. Turn the body of the 2-way and 3-way valves. Disconnect the vacuum pump hose.
7. Replace and tighten all caps on the valves.

Diagrams illustrating bleeding process and valve operations.

Operation Test

Indoor Unit Test

• Check if ON/OFF, FAN, MODE, set point, TIMER functions operate normally.
• Check if all indicator lights function normally.
• Check if flap for airflow direction operates normally.
• Check if condensed water drains regularly.

Outdoor Unit Test

• Check for abnormal noise or vibration during operation.
• Assess if noise, airflow, or condensed water drainage disturbs neighbors.
• Check for coolant leakage.

Note: The electronic controller allows the compressor to start only three minutes after voltage is supplied.

Information for the Installer

Pipe Length and Additional Refrigerant

Dedicated Distribution Device and Wire for Air Conditioner

Note: This table is for reference; installation must comply with local laws and regulations.

Wiring Diagram

Wiring diagrams may differ by model. Refer to diagrams pasted on the indoor unit (under front panel) and outdoor unit (backside of handle cover).

Diagram showing indoor and outdoor unit wiring connections.

Cable Wires Specification

Fuse Information:

• 220V Air conditioner (7k~30k) indoor unit fuse: 50T, 3.15A
• 110V Air conditioner (7k~12k) indoor unit fuse: 50T, 3.15A
• 125V Air conditioner (7k~12k) indoor unit fuse: 61T, 15A
• 250V Air conditioner (18k-24k) indoor unit fuse: 65TS, 25A

Maintenance

Periodic maintenance is essential for keeping your air conditioner efficient. Always disconnect the power supply before performing maintenance.

Indoor Unit - Antidust Filters

1. Open the front panel following the arrow.
2. Lift the front panel and remove the air filter.
3. Clean the filter with water. If soiled with oil, wash with warm water (not exceeding 45°C). Let it dry in a cool, dry place.
4. Reinsert the air filter.
5. Close the front panel.

The electrostatic and deodorant filters (if installed) cannot be washed or regenerated and must be replaced every 6 months.

Cleaning the Heat Exchanger

1. Open the front panel and lift it to its greatest stroke, then unhook it from the hinges for easier cleaning.
2. Clean the indoor unit with a cloth dampened with water (not higher than 40°C) and neutral soap. Do not use aggressive solvents or detergents.
3. If the outdoor unit is clogged, remove leaves and waste, then clean with an air jet or water.

End of Season Maintenance

1. Disconnect the automatic switch or plug.
2. Clean and replace filters.
3. On a sunny day, let the conditioner work in ventilation mode for several hours to dry the inside of the unit completely.

Replacing the Batteries

When: No confirmation beep from the indoor unit, or the LCD does not act.

How: Take off the back cover. Place new batteries respecting the '+' and '-' symbols. Use only new batteries. Remove batteries from the remote controller when the conditioner is not in operation.

WARNING! Do not throw batteries into common rubbish. Dispose of them in special collection containers.

Troubleshooting

Error Signals on the Display

In case of error, the display on the indoor unit shows the following error codes: