Manitowoc S model, Service Manual

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Refrigeration System Section 7
7-10
Part Number 80-1480-3
INSTALLATION/VISUAL INSPECTION CHECKLIST WATER SYSTEM CHECKLIST
A water-related problem often causes the same
symptoms as a refrigeration system component
malfunction.
Water system problems must be identified and
eliminated prior to replacing refrigeration components.
Possible Problem Corrective Action
Ice machine is not level Level the ice machine
Condenser is dirty Clean the condenser
Water filtration is plugged (if
used) Install a new water filter
Water drains are not run
separately and/or are not
vented Run and vent drains
according to the Installation
Manual
Line set is improperly
installed Reinstall according to the
Installation Manual
Possible Problem Corrective Action
Water area (evaporator) is
dirty Clean as needed
Water inlet pressure not
between 20 and 80 psi
(1-5 Bar, 138- 552 kPa) Install a water regulator valve
or increase the water
pressure
Incoming water temperature
is not between 35°F (1.6°C)
and 90°F (32.2°C). If too hot, check the hot water
line check valves in other
store equipment
Water filtration is plugged (if
used) Install a new water filter
Water dump valve leaking
during the freeze cycle Clean/replace dump valve as
needed
Vent tube is not installed on
water outlet drain See Installation Instructions
Hoses, fittings, etc., are
leaking water Repair/replace as needed
Water fill valve is stuck open Clean/replace as needed
Water is spraying out of the
sump trough area Stop the water spray
Uneven water flow across the
evaporator Clean the ice machine
Water is freezing behind the
evaporator Correct the water flow
Plastic extrusions and
gaskets are not secured to
the evaporator Remount/replace as needed