Part Number STH025 11/16 147
Suction Pressure Low Checklist
Improper Installation
• Refer to “Installation/Visual Inspection Checklist” on
page 136
Discharge Pressure
• Discharge pressure is too low and is affecting low
side – refer to “Freeze Cycle Discharge Pressure Low
Checklist” on page 144
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
• Restricted/plugged liquid line drier
• Restricted/plugged tubing in suction side or liquid
line of refrigeration system
• TXV starving
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