4.2 PIPING SYSTEM
CAPILLARY
TUBE
CONDENSER COILS
FAN
MOTOR
TURBO FAN
EVAPORATOR COILS
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 32 to follow the refrigerating cycle and the flow of the refrigerant in the cooling cycle.
ROOM AIR CONDITIONER
CYCLE OF REFRIGERATION
EVAPORATOR COILS | CONDENSER COILS |
COOLED
AIR
LIQUID
PRESSURE
DROP
| SUCTION LINE | VAPOR INLET | HOT | |
COMPLETE LIQUID |
| |||
COOL LOW PRESSURE VAPOR | ||||
BOIL OFF POINT | DISCHARGED | |||
|
| |||
|
|
| AIR | |
ROOM AIR HEAT LOAD |
|
|
| |
|
| OUTSIDE COOLING |
| |
|
| AIR FOR REFRIGERANT |
| |
|
| PASS THROUGH |
| |
MOTOR |
|
| DISCHARGE |
| LINE |
COMPRESSOR | NOT HIGH PRESSURE |
VAPOR | |
OIL |
|
| LIQUID OUTLET |
(LIQUID REFRIGERANT) |
|
| HIGH PRESSURE VAPOR |
CAPILLARY TUBE | LIQUID REFRIGERANT |
| LOW PRESSURE VAPOR |
Figure 32
— 17—
