150 Part Number STH025 11/16
Findings Comments
The inlet of the harvest valve
is cool enough to touch and
the compressor discharge line
is hot.
Cool & Hot
Normal Operation
This is normal as the discharge
line should always be too hot
to touch and the harvest valve
inlet, although too hot to
touch during harvest, should
be cool enough to touch after
5 minutes into the freeze cycle.
The inlet of the harvest
valve is hot and approaches
the temperature of a hot
compressor discharge line.
Hot & Hot
Leaking Harvest Valve
The harvest valve inlet did not
cool down during the freeze
cycle due to continual leakage
of compressor discharge gas
through the valve.
Both the inlet of the harvest
valve and the compressor
discharge line are cool enough
to touch.
Cool & Cool
Harvest Valve Not Leaking
The compressor discharge
line should not be cool to the
touch 5 minutes into the freeze
cycle. This symptom would not
be caused by a harvest valve
leaking.
5. Record your findings on the table.
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