4. TROUBLESHOOTING GUIDE

4.1 OUTSIDE DIMENSIONS

20-3/32"

 

 

24"

 

 

 

 

(499mm)

(610mm)

 

 

 

 

Cool

'F

Energy

Saver

Fan

Timer TEMP

FAN

MODE TIMER SPEED POWER

-14

 

(366mm)

/32"

 

 

 

13

 

 

 

 

 

 

 

 

 

 

 

4.2 PIPING SYSTEM

CONDENSER COILS

FAN

CAPILLARY TUBE

MOTOR

COMPRESSOR

TURBO FAN

EVAPORATOR COILS

: REFRIGERANT FLOW

Following is a brief description of the important components and their functions in the refrigeration system. Refer to Fig. 41 to follow the refrigeration cycle and the flow of the refrigerant in the cooling cycle.

ROOM AIR CONDITIONER

CYCLE OF REFRIGERATION

EVAPORATOR COILS

CONDENSER COILS

COOLED AIR

 

SUCTION LIME

VAPOR INLET

COMPLETE LIQUID

 

COOL LOW PRESSURE VAPOR

 

BOIL OFF POINT

 

 

 

ROOM AIR HEAT LOAD

 

 

OUTSIDE COOLING

 

AIR FOR REFRIGERANT

MOTOR

PASS THROUGH

 

COMPRESSOR

OIL

HOT DISCHARGED AIR

LIQUID PRESSURE DROP

LIQUID OUTLET

(LIQUID REFRIGERANT)

HIGH PRESSURE VAPOR

CAPILLARY TUBE

 

LIQUID PEFRIGERANT

 

 

Figure 41

LOW PRESSURE VAPOR

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Heat Controller BG-103A service manual Outside Dimensions, Piping System