Manitowoc I0500 Specifikace stáhnout pdf (Strana 205)

Part Number STH025 02/12 205

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. Determine the temperature of the liquid line

entering the receiver by feeling it. This line is

normally warm; body temperature.

5. 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 Total System

Refrigerant Charge page 224.

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Manitowoc I0500 Specifikace Strana 205