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FREEZE CYCLE CIRCUITRY
Manitowoc’s electronic sensing circuit does not rely on
float switches or timers to maintain consistent water
level control. During the Freeze cycle, the water inlet
valve energizes (turns on) and de-energizes (turns off)
in conjunction with the water level probe located in the
water trough.
During the first 45 seconds of the Freeze cycle:
The water inlet valve is on when there is no water in
contact with the water level probe.
The water inlet valve turns off after water contacts
the water level probe for 3 continuous seconds.
The water inlet valve will cycle on and off as many
times as needed to fill the water trough.
After 45 seconds into the Freeze cycle:
The water inlet valve will cycle on, and then off one
more time to refill the water trough. The water inlet
valve is now off for the duration of the Freeze
sequence.
HARVEST CYCLE CIRCUITRY
The water level probe does not control the water inlet
valve during the Harvest cycle. During the Harvest
cycle water purge, the water inlet valve energizes
(turns on) and de-energizes (turns off) strictly by time.
The harvest water purge adjustment dial may be set at
15, 30 or 45 seconds.
NOTE: The water purge must be at the factory
setting of 45 seconds for the water inlet valve to
energize during the last 15 seconds of the water
purge. If set at 15 or 30 seconds, the water inlet valve
will not energize during the harvest water purge.
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