Part Number 80-1505-3 6/11 157
Discharge Pressure High Checklist
Improper Installation
• Refer to “Installation/Visual Inspection Checklist”
page 151
Condenser Restriction
• High inlet air temperature
• Condenser discharge air recirculation
• Dirty condenser fins
• Defective fan cycling control
• Defective fan motor
Improper Refrigerant Charge
• Overcharged
• Non-condensable in system
• Wrong type of refrigerant
Other
• Non-Manitowoc components in system
• High side refrigerant lines/component restricted
(before mid-condenser)
• Defective head pressure control valve
• Water Inlet Valve is incorrectly adjusted (CVD1486
only)
NOTE: Do not limit your diagnosis to only the items
listed in the checklists.
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