Water System Checklist - Welbilt Manitowoc NEO UDE0065A Technician's Handbook

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.
Water area (evaporator) is dirty
• Descale as needed
Water inlet pressure not between 20 and 80 psig (1–5 bar,
138–552 kPa)
• Install a water regulator valve or increase the water
pressure
Incoming water temperature is not between 40°F (3°C)
and 90°F (32°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
Vent tube is not installed on water outlet drain
• See Installation Instructions
Hoses, fittings, etc., are leaking water
• Repair/replace as needed
Water valve is stuck open, closed or is leaking
• Descale/replace as needed
Water is spraying out of the sump trough area
• Stop the water spray
Water is leaking through the sump trough overflow
• Set the water level 1/4"-3/8" below standpipe
Uneven water flow across the evaporator
• Descale 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 need.
Part Number 000014797 Rev02 05/19 165