Service manual

Refrigerating cycle block diagram
Λ
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
Operating Condition
Cooling
Standard
Max over load
Low temp
71~81
-
55~56
50~54(10~12)
60~64(16~18)
34~39(1~4)
50~54(10~12)
60~64(16~18)
34~39(1~4)
80(27)
80(27)
67(19)
DB WB DB WB
67(19)
67(19)
57(14)
95(35)
115(46)
67(19)
75(24)
75(24)
57(14)
STD Pressure
(psi)
3-Way Valve
Piping Temp.[°F(°C)] Use Temp. Condition [°F(°C)]
Indoor
Outdoor
T1 T2
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AS07AS(6)MA SM_E_15774 2/12/04 9:19 PM Page 31