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Refrigeration System
FILTER-DRIERS
The filter-driers used on Manitowoc ice machines
are manufactured to Manitowoc specifications.
The difference between Manitowoc driers and off-
the-shelf driers is in filtration. Manitowoc driers
have dirt-retaining filtration, with fiberglass filters
on both the inlet and outlet ends. This is very
important because ice machines have a back-
flushing action which takes place during every
harvest cycle.
These filter-driers have a very high moisture
removal capability and a good acid removal
capacity.
The size of the filter-drier is important. The
refrigerant charge is critical. Using an improperly
sized filter-drier will cause the ice machine to be
improperly charged with refrigerant.
Important
Driers are covered as a warranty part. The drier
must be replaced any time the system is opened
for repairs.
TOTAL SYSTEM REFRIGERANT CHARGES
Important
Refer to the ice machine serial number tag to
verify the system charge.
Series Version Charge
Q1800 Water-Cooled 46 oz.
NOTE: Charged using R-404A refrigerant.