Part Number STH039 8/13 79
REFRIGERATION COMPONENT DIAGNOSTIC CHART
SINGLE EXPANSION VALVE SELF CONTAINED AIR COOLED CONDENSER
Operational Analysis 1 2 3 4
Ice Production
Air-Temperature Entering Condenser_____________
Water Temperature Entering Ice Machine_________
Published 24 hour ice production________________
Calculated (actual) ice production_______________
NOTE: The ice machine is operating properly if the ice fill patterns is normal and ice
production is within 10% of charted capacity.
Installation and Water
System
All installation and water related problems must be corrected before proceeding with chart.
Ice Formation Pattern
Ice formation is extremely
thin on outlet of
evaporator
-or-
No ice formation on the
entire evaporator
Ice formation is
extremely thin on outlet
of evaporator
-or-
No ice formation on
entire evaporator
Ice formation normal
-or-
Ice formation is
extremely thin on inlet of
evaporator
-or-
No ice formation on
entire evaporator
Ice formation normal
-or-
No ice formation on
entire evaporator
Discharge Line
Temperature 3 minutes into
the freeze cycle
Normal or High
Normal or High Low Normal or High
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