Part Number STH042 3/14 79
Suction Pressure High Checklist
Improper Installation
• Refer to “Installation/Visual Inspection Checklist”
on page 64.
Discharge Pressure
• Discharge pressure is too high, and is affecting
suction pressure, refer to
“Discharge Pressure
High Checklist” on page 76.
Improper Refrigerant Charge
• Overcharged
• Wrong type of refrigerant
• Non-condensable in system
Other
• Non-Manitowoc components in system
• Harvest valve leaking
• TXV flooding (check bulb mounting)
• Defective compressor
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