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©
2023
Handbook
4. Working Model
4.1 Working Principle
After the air conditioner is powered on, the low-pressure steam of the refrigerant in the
refrigeration system is sucked by the compressor and compressed into high-pressure
steam, and discharged to the condenser. At the same time, the air sucked by the fan
outside the cabinet flows through the condenser, taking away the refrigerant and releasing it.
The heat condenses the high-pressure refrigerant vapor into a high-pressure liquid. The
high-pressure liquid is sprayed after passing through the throttling device into the
evaporator and evaporates at the corresponding low pressure, absorbing the surrounding
heat. At the same time, the fan in the cabinet makes the air continuously exchange heat
through the fins of the evaporator, and sends the cooled air to the cabinet after heat
release. In this way, the air in the cabinet is continuously circulated to achieve the purpose
of reducing the temperature.
4.2 Cooling
1. Cooling starts when the indoor temperature reaches the “cooling setting temperature”+ “cooling
return temperature”.
2. Cooling stops when the indoor temperature reaches the “cooling setting temperature”.
3. The air conditioner parameters can be set through the display screen or background software:
cooling on the temperature and cooling off the temperature.
Refrigeration parameter setting points
Parameter Default
Setting range
Unit
Refrigeration start temperature
30
0～50 ℃
Refrigeration return temperature
2
1～10 ℃
4.3
1. Heating starts when the indoor temperature reaches the “heating setting temperature”+
“heating return temperature”.
2. Heating stops when the indoor temperature reaches the “heating setting temperature”
Heating(optional)
；
Heating parameter setting points
Parameter
Default
Setting range
Unit
Heating start temperature 5 0～50 ℃
Heating return temperature
2
1～10 ℃
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