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2. PIPING SYSTEM

Figure 1 is a brief description of the important components and their function in what is called the refrigeration
system. This will help you to understand the refrigeration cycle and the flow of the refrigerant in the cooling cycle.

MOTOR

COMPRESSOR

OIL

(LIQUID REFRIGERANT)

CAPILLARY TUBE 

OUTSIDE COOLING

AIR FOR REFRIGERANT

PASS THROUGH

SUCTION LINE

COOL LOW PRESSURE VAPOR

COOLED

AIR

COMPLETE LIQUID

BOIL OFF POINT

LIQUID

PRESSURE

DROP

ROOM AIR HEAT LOAD

VAPOR INLET

HOT

DISCHARGED

AIR

LIQUID OUTLET

HIGH PRESSURE VAPOR

LIQUID REFRIGERANT

LOW PRESSURE VAPOR

ROOM AIR CONITIONER

EVAPORATOR COILS

CONDENSER COILS

CYCLE OF REFRIGERATION

Figure 1

CONDENSER  COILS

EVAPORATOR  COILS

FAN

MOTOR

: REFRIGERANT FLOW

TURBO FAN

CAPILLARY  TUBE

COMPRESSOR

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