Water Regulating Valve - Manitowoc S300 Technician's Handbook

Water Regulating Valve

Problem (Freeze Cycle)
Valve not maintaining discharge pressure.
• Valve incorrectly set, dirty or defective. Adjust
valve to 240 psig, clean or replace valve.
Discharge pressure extremely high; Liquid line
entering receiver feels hot.
• Water regulating valve incorrectly set or not
opening. Verify Head Pressure Control Valve
operation before changing water regulating valve.
Discharge pressure low, Liquid line entering
receiver feels warm to hot.
• Ice machine low on charge. Verify Total System
Refrigerant Charge page 187.
Part Number 80-1479-3 7/10 123