Part Number Preliminary 6/11 171
SUCTION PRESSURE LOW CHECKLIST
Improper Installation
• Refer to “Installation/Visual Inspection Checklist”
(page 162)
Discharge Pressure
• Discharge pressure is too low and is affecting low
side – refer to “Freeze Cycle Discharge Pressure
High Checklist” (page 167)
Improper Refrigerant Charge
• Undercharged
• Wrong type of refrigerant
Other
• Non-Manitowoc components in system
• Improper water supply over evaporator – refer to
“Water System Checklist” (page 163)
• Restricted/plugged liquid line drier
• Restricted/plugged tubing in suction side of
refrigeration system
• TXV starving - continue the table
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