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6. Refrigerant Diagram
Inverter unitary free units
Fixed frequency unitary free units (14000BTU/h~52000BTU/h)
Refrigerant Diagram for Heat Pump Air Conditioner
Outdoor Unit
Indoor Unit
One-way Valve
Filter
Reversing Valve
Stop
Valve
Stop
Valve
Capillary Tube
Heat Exchanger
Heat Exchanger
Cooling Operation
Heating Operation
Compressor
1
2
3
4
5
1.compressor temperature sensor
2.low pressure switch
3.gas/liquid segregator
4.high pressure switch
5.muffler
Refrigerant Diagram for Heat Pump Air Conditioner
Outdoor Unit
Indoor Unit
One-way Valve
Filter
Reversing Valve
Stop
Valve
Stop
Valve
Capillary Tube
Heat Exchanger
Heat Exchanger
Cooling Operation
Heating Operation
Compressor
1
2
3
4
5
1.compressor discharging temperature sensor
2.low pressure switch
3.gas/liquid segregator
4.high pressure switch
5.muffler 6.For 28000BTU/h~52000BTU/h, the parts are available
6
6
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