GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI
Add: West Jinji Rd, Qianshan, Zhuhai (postcode: 519070)
Tel: 0086-756-8614 883 / 0086-756-8522 218
Fax: 0086-756-8614 998 / 0086-756-8615 406
Domestic After-sales Service Tel: 4008 365 315
Overseas Sales Inquiry Service: firstname.lastname@example.org
Overseas After-sales Service: email@example.com
|FAQ for Commercial Air Conditioners||+|
Reason: It may be oil filter blocked; or oil pressure adjusting valve (gate gurgle valve) opened too wide; or outlet oil at oil pump decreased; or bearing abrades; or failure occurred at oil pressure meter (or sensor); or too many refrigerant mixed into lubricating oil (oil pressure is too low for oil bubbles when starting).
Solution: Change the core of oil filter; or tighten the oil pressure adjusting valve so that the oil pressure rise to rated pressure; or disassembly to check; or change the bearing; or check oil pressure meter, reset the pressure sensor and change it when necessary; or do apply the oil heater when cooler stops to maintain rated oil temperature (check if wire of oil heater is breaking, and if the set temperature for oil heater to heat is correct).
What to do when cool water is subcool?
What to do when oil temperature is too high?
Reason: It may be power phase voltage unbalance; or voltage drop at power cord large; or operating with ultra low head; or refrigerant supply for cooling main motor not enough for refrigerant filtering net is blocked.
Solution: Take measures to make power phase voltage balance; or take measures to lower voltage drop at power circuit; or clean the refrigerant filter net.
|Heating performance is bad||+|
Heat pharmaceutical leaks
Clean filter to improve airflow
|Big oscillation or noise is too loud||+|
Unit is not placed well
Check if the floor stand is firm
|LCD flashes or full screen display when pressing the Transmit button||+|
|Incomplete of the display in LCD||+|
|The receiving distance of wireless remote controller is short||+|
|Wireless remote controller can’t receive signal (remote control type window unit)||+|
Change wireless remote controller
Change receiving terminal or adjust connecting wire of receiving terminal
|The treatment taken by protector when the compressor is over heated||+|
Refrigerant is not enough or too much
Adjust the amount of refrigerant
|No response after energization||+|
Integrated modular CPU broken
Cool joint or breakage at manostat 7806
Transformer is broken
|The compressor can’t startup after energization||+|
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