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144 Part Number STH025 02/12

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 79 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.

Discharge Line Temperature Above 150°F (66°C)

At The End Of Freeze Cycle:

Ice machines that are operating normally will have

consistent minimum discharge line temperature of

150°F (66°C).

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Manitowoc I0500 Especificaciones Pagina 144