Section 7Refrigeration System
7-54
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.
Listed below are the recommended O.E.M. field
replacement driers:
Model
Drier
Size
End
Connection
Size
Part
Number
J200 J250
J320 J420
J450 J600
UK-032S 1/4 89-3022-9
J800 J1000
J1300 J1800
UK-083S 3/8 89-3026-9
Suction Filter
1
UK-165S 5/8 89-3028-9
1
Used when cleaning up severely contaminated systems
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
J200 Air-Cooled 18 oz.
Water-Cooled 15 oz.
J250 Air-Cooled 18 oz.
Water-Cooled 13 oz.
J320 Air-Cooled 20 oz.
Water-Cooled 16 oz.
Air-Cooled 24 oz.
J420/J450 Water-Cooled 22 oz.
Remote 6 lb.
Air-Cooled 32 oz.
J600 Water-Cooled 26 oz.
Remote 8 lb.
Air-Cooled 36 oz.
J800 Water-Cooled 31 oz.
Remote 8 lb.
Air-Cooled 38 oz.
J1000 Water-Cooled 34 oz.
Remote 9.5 lb.
Air-Cooled 48 oz.
J1300 Water-Cooled 50 oz.
Remote 12.5 lb.
Air-Cooled 65 oz.
J1800 Water-Cooled 52 oz.
Remote 15 lb.
NOTE: All ice machines on this list are charged using
R-404A refrigerant.
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