YMGI
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Your Modern Green Idea
71
Maintenance and Care
Regular check, Maintenance and care should be performed every six months by professional personnel, which will
prolong the unit life span. Disconnect the power supply before cleaning and maintenance.
Outdoor Heat Exchanger
Outdoor heat exchanger is required to be cleaned once every six months. Use vacuum cleaner with nylon brush to
clean up dust and sundries on the surface of heat exchanger. Blow away dust with compressed air if available.
Never use water to wash the heat exchanger.
Drain Pipe
Regularly check if the drain pipe is clogged in order to drain condensate smoothly.
Notice before Seasonal Use
1. Check if the inlet/outlet of the indoor/outdoor unit is clogged.
2. Check if the ground wire is earthed reliably.
3. Check if battery of remote wireless controller has been replaced.
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 YMGI
appointed service center.
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.
Parts Replacement
Purchase parts from YMGI appointed service center or dealer if necessary.
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.
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 YMGI.
Warranty should meet the following requirements:
1.
First run of the unit should be operated by professional personnel from YMGI appointed service center.
2.
Only YMGI 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
