Part Number STH025 11/16 151
Discharge Line Temperature Analysis
GENERAL
Knowing if the discharge line temperature is increasing,
decreasing or remaining constant can be an important
diagnostic tool. Compressor discharge line temperature
on a normally operating ice machine steadily increases
throughout the freeze cycle.
Ambient air temperatures affect the discharge line
temperature.
Higher ambient air temperatures at the condenser and/
or higher inlet water temperature = higher discharge line
temperatures at the compressor.
Lower ambient air temperatures at the condenser and/
or lower supply water temperature= lower discharge line
temperatures at the compressor.
Regardless of ambient and water temperatures, the
freeze cycle discharge line temperature will be higher
than 150°F (66°C) at the end of the freeze cycle.
PROCEDURE
1. Navigate to Service / Real Time Data / Time & Temp /
T2 Thermistor (See page 81 Service Menu Navigation
for details).
2. Observe the discharge line temperature (T2) for the
last three minutes of the freeze cycle and record on
the table.
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