56 Part Number STH042 7/15
ICE MAKING
SEQUENCE OF
OPERATION
Water
Pump
Harvest
Valve
Water Inlet
Valve
Dump
Valve
Compressor
& Condenser
Fan Motor *
Harvest
Float Switch
Ice Thickness
Float Switch
Length of Time
Harvest
Sequence
5. Water Purge
OFF ON OFF
ON
FOR 20
SECONDS
THEN
OFF
ON CLOSED CLOSED
20 seconds
6. Harvest
OFF**** ON OFF**** OFF**** ON CLOSED CLOSED
Bin switch
activation
7. Automatic
Shut-off
OFF OFF OFF OFF OFF CLOSED CLOSED
Until bin switch
re-closes
* Condenser Fan Motor: The fan motor is wired through a fan cycle pressure control; therefore, it may cycle on and off.
** Energizes for 3 seconds 56 seconds into prechill for the initial start-up and 30 seconds into every subsequent prechill cycle.
*** The water fill valve is de-energized by the control board 1 minute after the freeze cycle starts - The control board will energize the
water inlet valve for 7 seconds one last time, 3 minutes into the freeze cycle, regardless of float position.
**** Will be energized during harvest when time exceeds 3.5 minutes.
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