Manitowoc QY0874C User Manual

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Suction Pressure Low Checklist
Problem
 Cause
Improper Installation
 Refer to “Installation/Visual Inspection Checklist”
Discharge Pressure
 Discharge pressure is too low and is affecting
suction pressure – refer to “Freeze Cycle Discharge
Pressure Low Checklist”
Improper Refrigerant Charge
 Undercharged
 Wrong type of refrigerant
Other
 Non-Manitowoc components in system
 Improper water supply over evaporator – refer to
“Water System Checklist”
 Loss of heat transfer from tubing on back side of
evaporator
 Restricted/plugged liquid line drier
 Restricted/plugged tubing in suction side of
refrigeration system
 TXV starving
NOTE: Do not limit your diagnosis to only the items
listed in the checklists.

Manitowoc QY0874C Specifications

General

Brand	Manitowoc
Model	QY0874C
Category	Ice Maker
Language	English