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5. Refrigerating Cycle Block Diagram
INDOOR UNIT
OUTDOOR UNIT
Heat
exchanger
(Evaporator)
Gas side
3-way valve
2-way valve
Liquid side
Capillary tube
Gas leak check point
Cross fan
Heat
exchanger
(Condenser)
Propeller fan
Compressor
T
1
T
2
Cooling
Refrigerating cycle temperature and pressure
STD Pressure Piping Temp(°F) Use Temp. Condition(°F)
Operating Condition (psi)
T1 T2
Indoor Outdoor
3-Way Valve DB WB DB WB
Standard 71~81 50~54 50~54 80 67 95 75
Cooling Max over load - 60~64 60~64 80 67 115 75
Low temp 55~56 34~39 34~39 67 57 67 57
10-00187A(1)-EV 5/16/01 2:02 PM Page 23