Manitowoc SD0302A Technician's Handbook page 114
S series;
s300 series;
s420 series;
s450 series;
s500 series;
s850 series;
s1000 series;
s1200 series;
s1400w series;
s1400a series;
s1400n series;
s1800w series;
s1800a series;
s1800n series
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Also See for SD0302A:
- Technician's handbook (301 pages) ,
- Service manual (168 pages) ,
- Installation, use & care manual (68 pages)
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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
114
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Part Number 80-1479-3 7/10
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Troubleshooting
