Service manual

10. Care and Maintenance of Air Conditioner

10.1 Clean the air filter

1) Do not remove the air filter when cleaning; otherwise any fault may occur.

2) Please clean the air filter more frequently if the air conditioner works under dusty environment.

(Generally, clean every two weeks).

Note: When you are cleaning the air conditioner, please take care on the following:

a) Be sure to disconnect all power supplies before touching any wiring device.

b) Be sure to turn off the unit and disconnect the power supply before you can clean the air

conditioner. Otherwise, electric shock or injury may be caused.

c) Do not wash the air conditioner with water; otherwise electric shock may be caused.

d) Take special care to use a firm and stable stand when cleaning the air conditioner.

10.2 Maintenance at the Start of Service Season

1) Check the air inlet and outlet of the indoor and outdoor units for any block.

2) Check if the ground wire is in good condition.

3) Check if the cable connection is in good condition.

4) Check if any words will appear on the display of wired controller after connecting to the power

supply.

Note: In event of any abnormality, please consult the after-sales service technicians.

10.3 Maintenance at the End of Service Season

1) In a fine weather, run the air conditioner under fan mode to dry the inside of the unit.

2) If the air conditioner will be long of service, please disconnect the power supply to save the energy.

After disconnecting the power supply, the words on the display of the wired controller will disappear.