Maintenance And Care; Outdoor Heat Exchanger; Drain Pipe; Notice Before Seasonal Use - Gree GMV-140WL/A-T User Manual

DC Inverter Multi VRF System User Manual

9 Maintenance and Care

Regular check, maintenance and care can extend unit's service life. Please have specialized
person in charge of the management of air conditioners.

9.1 Outdoor Heat Exchanger

Outdoor heat exchanger shall be cleaned regularly, which is at least once every two months.
You can use a dust catcher with nylon brush to clean away the dust on the heat exchanger. If
compressed air source is available, it also can be used to clean the heat exchanger. Do not clean
it with water.

9.2 Drain Pipe

Please check regularly whether drain pipe is blocked or not. Make sure condensate can be
drained out smoothly.

9.3 Notice before Seasonal Use

(1) Check whether air inlets and air outlets of indoor and outdoor units are blocked;
(2) Check whether ground connection is reliable or not;
(3) Check whether batteries in the remote controller are replaced or not;
(4) Check whether air filter is properly installed;
(5) If unit starts up after not operating for a long time, it should be power on 8 hours before
operation starts so as to preheat the outdoor compressor;
(6) Check whether outdoor unit is securely installed. If there is any problem, please contact
Gree authorized service center.

9.4 Maintenance after Seasonal Use

(1) Disconnect power of the entire system;
(2) Clean the air filter and outer case of indoor and outdoor units;
(3) Clean away the dust and obstacles on indoor and outdoor units;
(4) If outdoor unit has rust, please apply some paint to it so as to prevent the rust from
growing.

9.5 Parts Replacement

Parts and components can be obtained from nearby Gree office or Gree distributor.
Note:
When you are conducting air tightness test and leakage test, do not mix oxygen, C2H2 or
other dangerous gas into the refrigerant circuit. Otherwise, it may lead to danger. Use nitrogen or
refrigerant to conduct the tests.

10 After-sales Service

If there's quality defect or other problems in the product, please contact Gree local after-sales
service department for help.
Warranty must be based on the following conditions:
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