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MC0322 through MC2148
Air, Water, and Remote Cooled Service Manual
Control Safeties
Max freeze time – 45 minutes
When exceeded, the controller will attempt another freeze cycle. If the next cycle's freeze time is less than
maximum, the control will continue normal ice making. If the next freeze cycle was too long, the control will
again attempt another freeze cycle. If the freeze cycle is too long three consecutive cycles, the controller will
shut the unit off and it must be manually reset.
Min freeze time – 6 minutes
If the controller switches the machine into harvest within 20 seconds of the minimum freeze time, the controller
will harvest for a preset time and does not stop if the curtain switch opens.
If this occurs again in the next three cycles, the machine will shut down and must be manually reset.
Max harvest time – 3.5 minutes
If the harvest cycle has continued for 3.5 minutes without the curtain opening, the controller will shut the
machine off for 50 minutes and then restart. If there is another the machine will shut the machine off for
another 50 minutes and then restart. If it fails a third consecutive time the controller will shut the machine down
and must be manually reset.
• Time between resets – 50 minutes
• Number of automatic resets – 2
• Max water fill time – 5 minutes. Machine will attempt a restart every 20 minutes.
• Max discharge temp – 250 degrees F.
• Time interval between cleanings – 6 months power on time - adjustable in one month increments, can be set
at 6, 5, 4 or 3 months of power up time.
• Manual harvest time – 3 minutes
• Pump down interval – remote only. 12 hours. Pump down is 30 seconds of compressor only on time.
• Minimum compressor off time – 4 minutes
• Continuous Run Time Maximum Cycles - 200
Restarts
Power Interruption
The controller will automatically restart the ice machine after adequate voltage has been restored.
•
H blinks on code display
•
Status indicator light blinks
•
Reservoir is drained and refilled
•
Default harvest is initiated. The curtain switch does not have to open to terminate harvest, harvest will
continue until the default harvest time expires. Default harvest time is 3 minutes. The machine will then
return to a normal freeze cycle.
Water Interruption
•
The controller will attempt to fill the reservoir every twenty minutes until it is successful.
January 2022
Page 29
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