66 Part Number: 040006847 12/19
Procedure
Connect a temperature probe on the compressor discharge
line.
Observe the discharge line temperature and record the
maximum reading.
DISCHARGE LINE TEMPERATURE ABOVE 71 °C AT END
OF FREEZE CYCLE:
Ice machines that are operating normally will have
consistent maximum discharge line temperatures above
71 °C (155°F).
DISCHARGE LINE TEMPERATURE BELOW 71 °C (155°F)
AT END OF FREEZE CYCLE:
Ice machines that have a flooding expansion valve will have
a maximum discharge line temperature that decreases
each cycle.
Verify the expansion valve sensing bulb is 100% insulated
and sealed airtight. Condenser air contacting an incorrectly
insulated sensing bulb will cause overfeeding of the
expansion valve.
Verify the expansion valve sensing bulb is positioned and
secured correctly.
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