110 Part Number STH038 5/12
Suction Temperature High Checklist
Improper Installation
• Refer to “Installation/Visual Inspection Checklist”
page 102
Discharge Temperature
• Discharge temperature is too high and is affecting
suction temperature – refer to “Freeze Cycle
Discharge Temperature High Checklist”
(page 107)
Improper Refrigerant Charge
• Overcharged (also see “Freeze Cycle Discharge
Temperature High Checklist” page 107)
• Wrong type of refrigerant
• Non condensable in system
Components
• Harvest valve leaking - continue the table
• TXV flooding - continue the table
• Defective compressor - continue the table
Other
• Non-Manitowoc components in system
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