Manitowoc QY0674C User Manual

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HEADMASTER CONTROL VALVE FAILURE LIST
CVD1476
Freeze Cycle
Valve not maintaining discharge pressure.
 The water regulating valve maintains the freeze
cycle discharge pressure.
Discharge pressure extremely high; Liquid line
entering receiver feels hot.
 Verify water regulating valve is set and/or operating
correctly.
 Headmaster valve is stuck in bypass.
Discharge pressure low, Liquid line entering
receiver feels warm to hot.
 Ice Machine low on charge. Refer to “Low on
Charge Verification.”
Harvest Cycle
Discharge pressure normal or high, Liquid line
entering receiver feels warm, suction pressure is
low.
 Headmaster valve not bypassing. Refer to “Harvest
Cycle Headmaster Control Valve Failure List” for
diagnostic procedure.

Manitowoc QY0674C Specifications

General

Brand	Manitowoc
Model	QY0674C
Category	Ice Maker
Language	English