Manitowoc Q130 Dokumentacja Strona 150

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150 Part Number 80-01111-9 7/10
DISCHARGE PRESSURE HIGH CHECKLIST
Improper Installation
Refer to“Installation and Visual Inspection
Checklist” on page 104.
Restricted Condenser Air Flow
High inlet air temperature
Condenser discharge air re-circulation
Dirty condenser fins
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)
FREEZE CYCLE DISCHARGE PRESSURE LOW
CHECKLIST
Improper Installation
Refer to “Installation and Visual Inspection
Checklist” on page 104.
Improper Refrigerant Charge
Undercharged
Wrong type of refrigerant
Other
Non-Manitowoc components in system
High side refrigerant lines/component restricted
(after condenser)
Ambient temperature too low
NOTE: Do not limit your diagnosis to only the items
listed in the checklists.
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