Service Manual

11
2. Freezer EF1A-FS, EF2A-FS
Cycle Steps
Slight Delay at
1.
Startup/Cool Down 2. Cool Down Achieved
3. Cool Down Restart
4. Defrost
Startup
Setpoint
factory default
CTh warms to 10°F(-12°C)
above
setpoint
Power On
CTh in control
3-min. Comp on timer starts
-5°F (-20.5°C)
3-min. Comp off
timer starts
EvapFM energized Comp energized
ConFM energized EvapFM energized
EvapFM energized Comp de-energized
ConFM de-energized
EvapFM de-energized Comp de-energized
ConFM de-energized
Comp energized ConFM energized EvapFM energized
Note:
a)
EvapFM de-energizes when door is opened on.
b)
3-min. minimum Comp on timer starts when Comp energizes.
c)
3-min. minimum Comp off timer starts when Comp de-energizes.
d)
26-min. maximum defrost time.
e)
Setpoint temperature is displayed during defrost
Legend: Comp-compressor
ConFM-condenser fan motor CTh-cabinet thermistor DTh-defrost thermistor
EvapFM-evaporator fan motor
21-min. maximum
defrost
6 hrs Interval between defrosts
5. Defrost Termination
DTH warms to 55°F(13°C) or 21 mins maximum defrost timer terminates
DTH in control