FREEZE CYCLE DISCHARGE PRESSURE
LOW CHECKLIST
Improper Installation
•
Refer to "Installation/Visual Inspection Checklist"
(page 135)
Air Cooled Condensers
•
Defective head pressure control valve, won't
bypass (page 195)
•
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
Part Number STH025 8/12
143