EXAMPLES OF HOT GAS VALVE

INLET/COMPRESSOR DISCHARGE LINE

TEMPERATURE COMPARISON

Findings

Comments

The inlet of the

This is normal as the discharge

hot gas valve is

line should always be too hot to

cool enough to

touch and the hot gas valve

touch and the

inlet, although too hot to touch

compressor

during harvest, should be cool

discharge line is

enough to touch after 5 minutes

hot.

into the freeze cycle.

The inlet of the

This is an indication something

hot gas valve is

is wrong, as the hot gas valve

hot and

inlet did not cool down during

approaches the

the freeze cycle. If the

temperature of

compressor dome is also

a hot

entirely hot, the problem is not

compressor

a hot gas valve leaking, but

discharge line.

rather something causing the

 

compressor (and the entire ice

 

machine) to get hot.

Both the inlet of

This is an indication something

the hot gas

is wrong, causing the

valve and the

compressor discharge line to

compressor

be cool to the touch. This is not

discharge line

caused by a hot gas valve

are cool enough

leaking.

to touch.

 

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Manitowoc Ice STH003 manual Freeze cycle. If