114 Part Number 80-1479-3 7/10
FREEZE CYCLE DISCHARGE PRESSURE
LOW CHECKLIST
Improper Installation
• Refer to “Installation/Visual Inspection Checklist”
(page 108)
Air Cooled Condensers
• Defective head pressure control valve, won’t
bypass
(page 164)
• Defective fan cycle control, stuck closed
(page 167)
Water Cooled Condensers
• Water Regulating Valve out of adjustment
• Water Regulating Valve Defective
Other
• Undercharged
• Wrong type of refrigerant
• Non-Manitowoc components in system
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