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178 Part Number: 000015430 Rev 02 5/20
WATER REGULATING VALVE
Water-Cooled Models Only
FUNCTION
The water regulating valve maintains the freeze cycle
discharge pressure.
CHECK PROCEDURE
1. Determine if the head pressure is high or low (refer
to cycle time/24 hour ice production and operational
pressure chart for the model you are servicing).
2. Verify the condenser water meets specifications.
3. Adjust valve to increase or decrease discharge
pressure.
4. Using the information gathered, refer to the list for
diagnosis.
Problem (Freeze Cycle)
Valve not maintaining discharge pressure.
• Valve incorrectly set, dirty or defective. Adjust, clean
or replace valve.
Discharge pressure extremely high; Liquid line entering
receiver feels hot.
• Water regulating valve incorrectly set or not opening.
Discharge pressure low, Liquid line entering receiver feels
warm to hot.
• Ice machine low on charge. Verify “Replacing Pressure
Controls Without Removing Refrigerant Charge” on
.
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