Maintenance; Heat Exchanger Of Outdoor Unit; Drain Pipe; Precautions At The Beginning Of Using Season - Gree GMV-224WM/G-X Owner's Manual

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6 Maintenance

Regular inspection and maintenance can extend the service life of the air conditioning unit.

6.1 Heat Exchanger of Outdoor Unit

The heat exchanger of outdoor unit should be cleaned regularly. A vacuum cleaner can be used
with a nylon brush to clean dust and debris from the surface of the heat exchanger. If there is
compressed air source, the compressed air can be used to blow dust from the surface of the heat
exchanger. Do not wash it with tap water.

6.2 Drain Pipe

The drain pipe should be checked regularly to allow the condensate to drain smoothly.

6.3 Precautions at the Beginning of Using Season

(1) Check whether all air inlet and air outlet of indoor unit and outdoor unit are not blocked.
(2) Check if the grounding is reliable.
(3) Check if the battery of the remote controller has been replaced.
(4) Check if the air filter is properly installed.
(5) When restart up the unit after it has been stop operation for a long time, turn on the air
conditioner's power switch 2 hours before starting the operation to preheat the outdoor
compressor crankcase.
(6) Check if the outdoor unit is installed firmly. If there is any abnormality, please contact Gree
service center.

6.4 Maintenance at the End of Using Season

(1) Cut off the main power of the air conditioning unit.
(2) Clean the filter and indoor and outdoor units' body.
(3) Remove dust and debris from indoor and outdoor units.
(4) If the outdoor unit is rusted, smear the oil paint to prevent it from expansion.

6.5 Parts Replacement

Accessories are available through the nearby GREE office or GREE dealer.
NOTE!
Do not mix dangerous gases such as oxygen and acetylene into the refrigeration circuit during air
tightness and leak test! To avoid danger, it is best to use nitrogen for such tests.
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