Suction Pressure Low Checklist - Manitowoc S300 Technician's Handbook

SUCTION PRESSURE LOW CHECKLIST

Improper Installation
• Refer to "Installation/Visual Inspection Checklist"
(page 108)
Discharge Pressure
• Discharge pressure is too low and is affecting low
side – refer to "Freeze Cycle Discharge Pressure
High Checklist" (page 113)
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 109)
• Restricted/plugged liquid line drier
• Restricted/plugged tubing in suction side of
refrigeration system
• TXV starving - continue the table
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