Traditional Culture Encyclopedia - Traditional stories - How to defrost Gree air conditioner cabinet unit ah?
How to defrost Gree air conditioner cabinet unit ah?
Automatic defrost process:
When the air conditioning control system, recovered to the outdoor unit frost signal, automatically start the defrost function.
1, inside and outside the air supply motor stops sending air, the air conditioning system directly to heating to cooling mode;
2, cooling mode operation, the indoor air supply motor stops, the outdoor air supply motor start;
3, defrosting is complete (time setting system and signal lifting), the outdoor air supply motor stops;
4, the air conditioning system directly to refrigeration to heating mode, the outdoor air supply motor start;
4, the air conditioning system directly to cooling mode, the outdoor air supply motor start;
4, the air conditioning system directly to cooling mode. The air supply motor starts;
5. The indoor motor resumes air supply only when the condenser on the indoor side reaches the basic temperature.
Expanded information:
Reason for frost: In the heating mode, the air conditioner outside the unit is blowing a cold air, the heat exchanger temperature is a few degrees below zero or 10 degrees, when water vapor will be in the outside air in the fins. The water vapor in the outside air will condense on the fins of the outside unit and then be frozen into ice.
If you don't defrost the machine, the machine will be blocked by the ice and can't dissipate the heat, and the ice will get thicker and thicker, and eventually the refrigerant in the machine won't be able to evaporate, and the pressure will be too low, and the system will jump to a low-pressure protection and shut down.
Baidu Encyclopedia - Air Conditioner Defrost
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