6. Refrigerant Diagram
Inverter unitary free units
Refrigerant Diagram for Heat Pump Air Conditioner
Indoor Unit
1.compressor temperature sensor
5.muffler
Fixed frequency unitary free units (14000BTU/h~52000BTU/h)
Refrigerant Diagram for Heat Pump Air Conditioner
Indoor Unit
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
Stop
Valve
Capillary Tube
Stop
Valve
2.low pressure switch
Stop
Valve
Capillary Tube
Stop
Valve
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Cooling Operation
Heating Operation
Filter
One-way Valve
Reversing Valve
5
4
3
2
1
3.gas/liquid segregator 4.high pressure switch
Cooling Operation
Heating Operation
Filter
One-way Valve
6
Reversing Valve
5
4
3
2
1
-113-
Outdoor Unit
Outdoor Unit
6