128 Part Number STH025 8/12
Wait 5 minutes into the
freeze cycle.
Compare temperatures of
compressor discharge line
and harvest valve inlet.
Reference “Harvest Valve
Analysis” on page 148
The harvest valve inlet is
Hot
-and-
approaches the
temperature of a Hot
compressor discharge
line.
The harvest valve inlet
is Cool enough to hold
hand on
-and-
the compressor
discharge line is Hot.
The harvest valve inlet
is Cool enough to hold
hand on
-and-
the compressor
discharge line is Cool
enough to hold hand on.
The harvest valve inlet
is Cool enough to hold
hand on
-and-
the compressor
discharge line is Hot.
Discharge Line
Temperature
Record freeze cycle
discharge line temperature at
the end of the freeze cycle
T2 _________°F (°C)
Reference “Discharge Line
Temperature Analysis” on
page 150
Discharge line temp.
150°F (65°C)
or higher at the end of the
freeze cycle
Discharge line temp.
150°F (65°C)
or higher at the end of
the freeze cycle
Discharge line temp.
less than
150°F (65°C) at the end
of the freeze cycle
Discharge line temp.
150°F (65°C) or higher
at the end of the freeze
cycle
SINGLE EVAPORATOR, SINGLE EXPANSION VALVE
SELF CONTAINED AIR, WATER & REMOTE CONDENSER
Operational Analysis 1 2 3 4
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