Troubleshooting guide

9
TEMPERATURE CONTROL OPERATION
1. Freezer temperature is regulated by an air sensing thermostat located at the top rear of the
refrigerator compartment. A sensing tube goes into a well which routes the tube into the freezer
section. This thermostat actuates the compressor to circulate refrigerant through the sealed
system. (Fig. 10) The thermostat should be set to maintain 0°F to 2°F freezer food temperature.
Evaporator Inlet
Capillary Tube
Compressor
Suction Line
Process Stub
High-Side
Filter/Drier
Condenser Fan
Compressor
Process Stub
Condenser
Outlet
Center Mullion
Loop
Compressor
Discharge Line
Condenser
Evaporator
Evaporator
Outlet
Center
Mullion Loop
Flange
Loop
REFRIGERANT
FLOW
Capillary/Suction Line
Heat Exchanger
Thermostat
Freezer
Temperature
Sensor
Fig. 10