2 piping system – Friedrich CP05N10A User Manual

Page 13

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3.2 PIPING SYSTEM

Following is a brief description of the important components and their function in what is called the refrigeration
system. Reference should be made to Figure

21

to follow the refrigerating cycle and the flow of the refrigerant in

the cooling cycle.

COOLED
AIR

HOT
DISCHARGED
AIR

MOTOR

COMPRESSOR

ROOM AIR HEAT LOAD

CAPILLARY TUBE

(LIQUID REFRIGERANT)

LIQUID OUTLET

VAPOR INLET

COMPLETE LIQUID
BOIL OFF POINT

SUCTION LINE
COOL LOW PRESSURE VAPOR

LIQUID
PRESSURE
DROP

DISCHARGE

LINE

NOT HIGH PRESSURE

VAPOR

OUTSIDE COOLING
AIR FOR REFRIGERANT
PASS THROUGH

EVAPORATOR COILS

CONDENSER COILS

ROOM AIR CONDITIONER

CYCLE OF REFRIGERATION

HIGH PRESSURE VAPOR

LIQUID REFRIGERANT

LOW PRESSURE VAPOR

OIL

CONDENSER COILS

FAN

MOTOR

CAPILLARY
TUBE

TURBO FAN

EVAPORATOR
COILS

Figure

21

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