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Dual Expansion Valve – Q1400C/QDUAL
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
Left _______________
Right ______________
Ice formation is
extremely thin on
outlet of one
evaporator
-or-
No ice formation on
top of one
evaporator
Ice formation is
normal
-or-
Ice formation is
extremely thin on
outlet of one or both
evaporators
-or-
No ice formation on
one or both
evaporators
Ice formation
is normal
-or-
Ice formation is
extremely thin on the
inletof one
evaporator
-or-
No ice formation on
one evaporator
Ice formation
is normal
-or-
No ice formation on
both evaporators
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