Part Number 80-1479-3 7/10 59
Sequence of Operation
Self Contained Air or Water Cooled
SINGLE & QUAD EVAPORATOR MODELS
NOTE: The toggle switch must be in the ice position
and the water curtain/ice dampers must be in place on
the evaporator before the ice machine will start.
Initial Start-Up or Start-Up After
Automatic Shut-Off
1. Water Purge
Before the refrigerant compressor starts, the water
pump and water dump solenoid energize to purge the
ice machine of old water. This feature ensures that the
ice making cycle starts with fresh water.
Single evaporator models energize the harvest
valve(s) and air compressor (when used) at the end of
the water purge and they remain energized during
refrigeration startup.
Energized Control Board Lights-
Single Evaporators = Left Bin (green)
Quad Evaporators = All Curtain Switches (green),
Dump Valve (red), Water Pump (red)
2. Refrigeration System Start-Up
The compressor, condenser fan motor and water fill
valve energize and 5 seconds later the harvest
valve(s) and air compressor(s) de-energize.
The fan motor is wired through a fan cycle pressure
control and will cycle on and off when the room
temperatures is below 70°F (21°C) .
Energized Control Board Lights-
Single Evaporators = Left Bin (green)
Quad Evaporators = All Curtain Switches (green),
Water Solenoid (red), Liquid Solenoid (red)
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