146 Part Number 000014797 Rev02 05/18
Suction Temperature Low Checklist
Improper Installation
• Refer to “Installation/Visual Inspection Checklist” on
page 136
Discharge Pressure
• Discharge temperature is too low, and is affecting
suction temperature, refer to “Freeze Cycle Discharge
Temperature Low Checklist” on page 143.
Improper Refrigerant Charge
• Undercharged
• Wrong type of refrigerant
Other
• Non-Manitowoc components in system
• Improper water supply over evaporator refer to
”Water System Checklist” on page 137.
• 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.
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