Suction Pressure High Checklist
Improper Installation
•
Refer to "Installation/Visual Inspection Checklist"
page 135
Discharge Pressure
•
Discharge pressure is too high and is affecting
suction pressure – refer to "Freeze Cycle
Discharge Pressure High Checklist" (page 142)
Improper Refrigerant Charge
•
Overcharged (also see "Freeze Cycle Discharge
Pressure High Checklist" page 142)
•
Wrong type of refrigerant
•
Non condensable in system
Components
•
Harvest valve leaking
•
Harvest pressure solenoid valve leaking
•
TXV flooding
•
Defective compressor
Other
•
Non-Manitowoc components in system
Part Number STH025 8/12
145