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A2. Thermistor/Control Module Sequence of Operation Flow Chart
1. Undercounter and Work Top: Refrigerator
1. Startup/Cool Down
2. Cool Down Achieved
Comp
energized
ConFM
energized
EvapFM
energized
Comp
de-energized
ConFM
de-energized
EvapFM
de-energized
CTh in control
Off cycle defrost
between run cycles
Refrigerator Sequence Flow Chart
2-min. Comp
on timer starts
2-min. Comp
off timer starts
Legend:
Comp
-compressor
ConFM
-condenser fan motor
CTh
-cabinet thermistor
EvapFM
-evaporator fan motor
Power on
Red LED On
(5 sec. Delay)
Green LED Flashes
If Red LED flashes, check CTh
Green LED Flashes
If Red LED flashes, check CTh
CTh above setpoint
CTh cools to setpoint
CTh abo
ve
setpoint
Note: Delays
a) 2-min. minimum Comp on timer starts when Comp energizes.
b) 2-min. minimum Comp off timer starts when Comp de-energizes.
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