Part Number STH063 9/17 69
Suction Pressure High Checklist
Improper Installation
• Refer to “Installation/Visual Inspection Checklist” on
page 53.
Discharge Pressure
• Discharge pressure is too high and is affecting suction
pressure, refer to ”Discharge Pressure High Checklist”
on page 66.
Improper Refrigerant Charge
• Overcharged
• Wrong type of refrigerant
• Non-condensible in system
Other
• Non-OEM components in system
• Harvest valve leaking
• TXV flooding (check bulb mounting)
• Defective compressor
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