Manitowoc I0320 Especificaciones descargar pdf (Pagina 115)

Part Number STH025 2/14 115

SAFETY LIMIT #1

Freeze time exceeds 60 minutes for 6 consecutive

freeze cycles.

Possible cause checklist

Improper Installation

• Refer to “Installation/Visual Inspection Checklist”

on page 135

Water System

• Dirty/defective water level probe

• Low water pressure (20 psig min.)

• High water pressure (80 psig max.)

• High water temperature (90°F/32.2°C max.)

• Clogged water distribution tube

• Dirty/defective water fill valve

• Dirty/defective water dump valve

• Defective water pump

• Loss of water from sump area

Electrical System

• Low incoming voltage

• Ice thickness probe out of adjustment

• Harvest cycle not initiated electrically

• Contactor not energizing

• Compressor electrically non-operational

• Defective fan cycling control

• Defective fan motor

Miscellaneous

• Non-Manitowoc components

• Improper refrigerant charge

• Defective head pressure control

• Defective harvest valve

• Defective compressor

• TXV starving or flooding (check bulb mounting)

• Non-condensable in refrigeration system

• Plugged or restricted high side refrigerant lines or

component

• Restricted air flow/dirty condenser fins

• High inlet air temperature

• Condenser discharge air recirculation

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Manitowoc I0320 Especificaciones Pagina 115