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4. TROUBLESHOOTING GUIDE
4.1 OUTSIDE DIMENSIONS
4.2 PIPING SYSTEM
CONDENSER COIL
FAN
MOTOR
Following is a brief description of the important components and their function in what is called the refrigeration
system. Reference should made to Figure 36 to follow the refrigeration cycle and the flow of the refrigerant in the
cooling cycle.
EVAPORATOR COILS
COOLED
AIR
11
525(20
/
")
16
COMPLETE LIQUID
BOIL OFF POINT
ROOM AIR HEAT LOAD
LIQUID
PRESSURE
DROP
(LIQUID REFRIGERANT)
CAPILLARY TUBE
unit: mm(inch)
ROOM AIR CONITIONER
CYCLE OF REFRIGERATION
SUCTION LINE
COOL LOW PRESSURE VAPOR
OUTSIDE COOLING
AIR FOR REFRIGERANT
PASS THROUGH
MOTOR
COMPRESSOR
OIL
Figure 36
—18—
1
470(18
/
")
2
CAPILLARY TUBE
COMPRESSOR
BLOWER
EVAPORATOR COIL
CONDENSER COILS
VAPOR INLET
HOT
DISCHARGED
AIR
LIQUID OUTLET
HIGH PRESSURE VAPOR
LIQUID REFRIGERANT
LOW PRESSURE VAPOR
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