Refrigerator User Manual

13
2. Cabinet and Rail Cooling
Legend: C-cabinet cooling CabFM-cabinet fan motor Comp-compressor ConFM-condenser fan motor CLLV-cabinet liquid line valve CTh-cabinet thermistor DT-detrost timer DH-defrost heater DTh-defrost thermistor DTst-defrost thermostat PH-perimeter heater R-rail cooling RailFM-rail fan motor RLLV-rail liquid line valve RTh-rail thermistor
1. Start
2. Cool Down
3. Cool Down Achieved
CabFM energized CLLV energized Comp energized ConFM energized PH energized RailFM energized RLLV energized
CTh and RTh in control
CabFM energized CLLV energized PH energized RailFM energized RLLV energized
CabFM energized Comp energized ConFM energized PH energized RailFM energized RLLV energized CLLV de-energized
Power Switch "ON," Rail Cooling Switch "NORMAL" or "LOW" Position
•2‑minuteComp
delay timer starts
•6‑hourDTstarts
C off R on
CabFM energized CLLV energized Comp energized ConFM energized PH energized RailFM energized RLLV de-energized
CabFM energized PH energized RailFM energized RLLV energized CLLV de-energized Comp de-energized ConFM de-energized
CabFM energized Comp energized ConFM energized PH energized RailFM energized RLLV energized CLLV de-energized
CabFM energized CLLV energized Comp energized ConFM energized PH energized RailFM energized RLLV de-energized
C and R off
C on R off
C off R on
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Wheninthe"NORMAL"position,RailFMoperatescontinuously. Wheninthe"LOW"position,RailFMoperatescontinuouslywhenrailiscoolingdownandintermittently (perF9setting)whenrailcooldownisachieved.See"II.D.4.a)SwitchSettings"and"II.D.5.ServiceMenu."
C on R on
C on R off
•Con‑CThatorabovesetpoint •Coff‑CThhasreached3.6°F(2°C)ormorebelowsetpoint •Ron‑RThatorabovesetpoint •Roff‑RThhasreached3.6°F(2°C)ormorebelowsetpoint
CTh and/or RTh reaches 3.6°F (2°C) or more below setpoint
Minimum 2 minute Comp delay if C and R were off
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CTh or RTh
warms to
setpoint
Cycle Steps
Initial startup begins here
4. Cabinet Defrost