Manitowoc SR1801W Especificaciones descargar pdf (Pagina 120)

120 Part Number 80-1479-3 7/10

Harvest Valve Analysis

Symptoms of a harvest valve remaining partially open

during the freeze cycle can be similar to symptoms of

either an expansion valve or compressor problem. The

best way to diagnose a harvest valve is by using

Manitowoc’s Ice Machine Freeze Cycle Refrigeration

System Operational Analysis Table.

Use the following procedure and table to help

determine if a harvest valve is remaining partially open

during the freeze cycle.

1. Wait five minutes into the freeze cycle.

2. Feel the inlet of the harvest valve(s).

3. Feel the compressor discharge line.

4. Compare the temperature of the inlet of the

harvest valves to the temperature of the

compressor discharge line.

Important

Feeling the harvest val ve ou tlet or a cross the

harvest valve it self will not work for th is

comparison.

The ha rvest valve outlet i s on the suctio n sid e

(cool refrigerant). It may be cool enough to touch

even if the valve is leaking.

Warning

The inlet of the ha rvest val ve and th e compressor

discharge l ine could b e h ot en ough to burn your

hand. Just touch them momentarily.

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Manitowoc SR1801W Especificaciones Pagina 120