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SUCTION PRESSURE HIGH CHECKLIST
Problem
• Cause
Improper Installation
• Refer to “Installation/Visual Inspection Checklist”
Discharge Pressure
• Discharge pressure is too high and is affecting low
side – refer to “Freeze Cycle Discharge Pressure
High Checklist”
Improper Refrigerant Charge
• Overcharged
• Wrong type of refrigerant
Other
• Non-Manitowoc components in system
• HPR solenoid leaking
• Harvest valve leaking
• TXV flooding (check bulb mounting)
• Defective compressor
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