Maintenance After Seasonal Use; Parts Replacement; After-Sales Service - Gree Ultra Heat GMV Multi VRF Series Owner's Manual

Ultra Heat GMV Multi VRF
(4) Check if the filter screen has been set soundly.
(5) After long period of shutdown, open the main power switch 8 hours before reoperating the unit so
as to preheat the compressor crankcase.
(6) Check if the outdoor unit is installed firmly. If there is something abnormal, please contact the
GREE appointed service center.

8.4 Maintenance after Seasonal Use

(1) Cut off main power supply of the unit.
(2) Clean filter screen and indoor and outdoor units.
(3) Clean the dust and sundries on the indoor and outdoor units.
(4) In the event of rusting, use the anti-rust paint to stop spreading of rust.

8.5 Parts Replacement

Purchase parts from Gree appointed service center or dealer if necessary.
Note:
During airtight and leakage test, never mix oxygen, ethyne and other dangerous gas into
refrigeration circuit. In case of hazard, it's better to use nitrogen or refrigerant to accomplish such test.

9 After-sales Service

In case the air-conditioning unit you bought has any quality problem or you have any inquiry, please
contact the local after-sales service agency designated by Gree.
Warranty should meet the following requirements:
(1) First run of the unit should be operated by professional personnel from Gree appointed service
center.
(2) Only Gree manufactured accessories can be used on the machine.
(3) All the instructions listed in this manual should be followed.
(4) Warranty will be automatically invalid if fails to obey any item mentioned above.
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