GM V5 Compact Series VRF Outdoor Unit
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7 Maintenance
WARNING!
1. The unit can only be cleaned after the unit is turned off and the main power is cut off; otherwise it would
cause an electric shock hazard.
2. Do not dampen the unit, as it would cause an electric shock hazard and never rinse the unit with water in
any case.
CAUTION!
1. Volatile liquid, like thinner, gasoline etc would damage the appearance of the air conditioning unit. (Only
use the soft dry cloth or the wet cloth with neutral detergent clean the outer shell of the air conditioning
unit)
2. Do not clean the outer shell of the air conditioning unit with hot water above 45
℃
to prevent discoloration
or deformation.
3. Do not dry the air filter screen of the indoor unit on the fire to prevent combustion or deformation.
7.1 Outdoor Heat Exchanger
The outdoor heat exchanger should be cleaned for one time every two months. Use vacuum cleaner with nylon
brush to clean up dust and sundries on the surface of heat exchanger. Blow away dust by compressed air if it is
available. Never wash the heat exchanger with water.
7.2 Drain Pipe
Regularly check if the drain pipe is clogged in order to drain condensate smoothly.
7.3 Check before the Seasonal Use
(1) Check if the inlet/outlet of the indoor/outdoor unit is clogged.
(2) Check if the earth wire is earthed reliably.
(3) Check if batteries of the wireless remote controller are replaced.
(4) Check if the air filter screen is installed properly.
(5) When restarting the unit which is not used for a long time, switch on the main power supply eight hours
ahead so as to preheat the compressor crankcase.
(6) Check whether the outdoor unit is installed f irmly. If there is something abnormal, please contact the
GREE appointed service center.
7.4 Maintenance after the Seasonal Use
(1) Cut off the main power supply of the air conditioning system.
(2) Clean the filter screen and body of the indoor and outdoor units.
(3) Remove the dust and the foreign matters of the indoor and outdoor units.
(4) In the event of rusting, use the anti-rust paint to stop spreading of rust.
