Manitowoc I0320 Technician's Handbook page 113

SUCTION TEMPERATURE LOW CHECKLIST
Improper Installation
• Refer to "Installation/Visual Inspection Checklist"
(page 102)
Discharge Temperature
• Discharge temperature is too low and is affecting
low side – refer to "Freeze Cycle Discharge
Temperature Low Checklist" (page 108)
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 103)
• Restricted/plugged liquid line drier
• Restricted/plugged tubing in suction side of
refrigeration system
• TXV starving - continue the table
Part Number STH038 5/12 111