Manitowoc UDE080A User Manual

166 Part Number 000014797 Rev02 05/18
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Perform the procedures on the preceding pages before
performing refrigeration diagnostics. The first pages cover
an overview of the diagnostic procedures followed by
diagnostics checklists.
Install thermometer thermocouples on Suction and
Discharge line:
• Digital thermometers with remote thermocouples
must be used to obtain temperatures.
• Suction and Discharge line thermocouples must be
within 3” (76.2 mm) of the compressor.
• Thermocouples must be insulated.
• Doors and all panels must be in place.
• Initial freeze cycle is not used for diagnostics.
• Start monitoring temperatures 3 minutes into the
second freeze cycle.
Compare Suction and Discharge temperatures to your
model in the charts starting on page 217.
The charts list normal suction and discharge temperatures.
Analysis
Discharge Line
Temp
Suction Line
Temp
Ice Fill Pattern Refer to
Diagnostics
for:
Normal Normal Less fill on the
left side of the
evaporator
This is normal
operation
Low (20°F
[-7°C] or more)
Low 20°F (-7°C)
or more)
Less fill on the
left side of the
evaporator
Expansion
Valve Flooding
Normal or
High
High 10°F
(-12°C) or
more)
Less fill on the
left side and
top 2 rows of
the evaporator
Low on
Refrigerant
or Expansion
Valve Starving
Normal Low 5°F (-15°C)
or less)
Less fill on the
left side of the
evaporator
Refrigerant
Overcharge

Manitowoc UDE080A Specifications

General

Brand	Manitowoc
Model	UDE080A
Category	Ice Maker
Language	English