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REFRIGERATION COMPONENT DIAGNOSTIC CHARTS
Single Expansion Valve – Q0600C/0800C/Q1000C/SU1000C
Operational Analysis 1 2 3 4
Ice Production Published 24-hour ice production __________
Calculated (actual) 24-hour ice production __________
NOTE: The ice machine is operating properly if the ice fill pattern 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 evaporator outlet
or
No ice formation on
top of evaporator
Ice formation is
extremely thin
on evaporator outlet
-or-
No ice formation on
entire evaporator
Ice formation normal
-or-
Ice formation is
extremely thin
at evaporator inlet
or
No ice formation on
entire evaporator
Ice formation normal
-or-
No ice formation on
entire evaporator
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