U-Line CLRCO2175 Refrigerator User Manual


 
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Section 3 - Service and Repair
CO2175F/2175RF/CO2175DWR
GENERAL
U-Line Frost Free Refrigeration System
Cooling Mode:
Bypass solenoid valve closed
Evaporator fan operating
Refrigerant flows through capillary tube
Normal vapor/compression cycle refrigeration
Drain heater off (CO2175F/2175RF only)
Defrost Mode:
Bypass solenoid valve open
Refrigerant flows through bypass system
Vapor flows from condenser to evaporator without a phase
change
Drain heater on (CO2175F/2175RF only)
Figure 11. Frost Free Refrigeration System.
SOLENOID VALVE
CAPILLARY TUBE
VALVE IS CLOSED
FLOW WHEN SOLENOID
DRYER
CONDENSER
COMPRESSOR
EVAPORATOR
VALVE IS OPEN
FLOW WHEN SOLENOID
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