Koolaire KY0275W Technician's Handbook page 75

Suction Pressure High Checklist
Improper Installation
• Refer to "Installation and Visual Inspection Checklist"
on page 60.
Discharge Pressure
• Discharge pressure is too high, and is affecting
suction pressure, refer to "Discharge Pressure High
Checklist" on page 72.
Improper Refrigerant Charge
• Overcharged
• Wrong type of refrigerant
• Non-condensables in system
Other
• Non-OEM components in system
• Harvest valve leaking
• TXV flooding (check bulb mounting)
• Defective compressor
Part Number STH047 5/16 75