Specifications

Part Number STH025 02/12 137
FREEZE CYCLE DISCHARGE PRESSURE
LOW CHECKLIST
Improper Installation
• Refer to “Installation/Visual Inspection Checklist”
(page 131)
Air Cooled Condensers
• Defective head pressure control valve, won’t
bypass (page 198)
• Defective fan cycle control, stuck closed
(page 185)
Water Cooled Condensers
• Water Regulating Valve out of adjustment
• Water Regulating Valve Defective
Other
• Undercharged
• Wrong type of refrigerant
• Non-Manitowoc components in system
• Liquid line/component restricted