Manitowoc NEO UD0310AE Spezifikationen PDF herunterladen (Seite 76)

76 Part Number STH042 3/14

Discharge Pressure High Checklist

Improper Installation

• Refer to “Installation/Visual Inspection Checklist”

on page 64.

Restricted Condenser Air Flow

• High inlet air temperature

• Condenser discharge air re-circulation

• Dirty condenser fins

• Defective fan cycling control

• 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/Visual Inspection Checklist”

on page 64.

Improper Refrigerant Charge

• Undercharged

• Wrong type of refrigerant

Other

• Non-Manitowoc components in system

• High side refrigerant lines/component restricted

(before mid-condenser)

• Defective fan cycle control

NOTE: Do not limit your diagnosis to only the items

listed in the checklists.

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Manitowoc NEO UD0310AE Spezifikationen Seite 76