Hoshizaki KM-320MWH, KM-320MAH service manual Sequence 1st Cycle, Water Valve, Hot Gas Valve

Models: KM-320MWH KM-320MAH

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3.Sequence

3.Sequence

1st Cycle

1.Unit energized and control switch to "ICE" position. Water supply cycle starts.

2.After 1 minute, defrost cycle starts.

3.Thermistor reads 48°F (9°C). Defrost timer starts counting.

Water Valve

Water Valve

 

Hot Gas Valve

Defrost

Cycle

Freeze

Cycle

Pump, Fan &

Line Valve

IMPORTANT

Water valve opening is limited to 6 minutes.

5.After the first 5 minutes in freeze cycle. Ready to complete freeze cycle when float switch circuit opens.

IMPORTANT

Board never accepts freeze completion signal within the first 5 minutes in freeze cycle.

4.Defrost timer stops counting. Defrost cycle is completed and freeze cycle starts.

IMPORTANT

1.Board never accepts defrost completion signal within the first 2 minutes in defrost cycle.

2.Defrost cycle time is limited to 20 minutes even if defrost timer does not stop counting.

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Hoshizaki KM-320MWH Sequence 1st Cycle, Water Valve, Hot Gas Valve, Defrost Cycle Freeze Cycle Pump, Fan & Line Valve