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Subzero BI Series User Manual

Subzero BI Series
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Icemaker Information 77
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BI
Service Manual
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Subzero BI Series Specifications

General IconGeneral
Water FiltrationYes
Water Filter IndicatorYes
Ice TypeCrescent
Ice ProductionUp to 50 lbs per day
Voltage115 V AC
RefrigerantR134a

Summary

Icemaker System Information

Icemaker Components

Describes the function of each icemaker component, illustrated in a diagram.

Icemaker Operation Cycle

Freeze Phase

The ice mold is filled with water, thermostat is open, and no components are energized.

First Revolution Start

Water turns to ice, thermostat closes, heater and motor energize, ejector turns.

First Revolution Continued

Holding switch powers motor, heater energized, shut-off arm rises.

First Revolution Release

Ice releases, ejector rotates cubes, motor/heater energized, shut-off switch trips.

End of First Revolution

Water valve switch trips, holding switch trips, and motor restarts.

Start of Second Revolution

Water valve switch trips, holding switch trips, and motor restarts again.

Second Revolution Continued

Mold heater warms thermostat, thermostat opens, heater de-energizes.

End of Ice Making Cycle

Water valve switch trips, holding switch trips, thermostat open, motor doesn't start.

Manual Icemaker Controls

Manually Stopping Ice Production

Ice production can be stopped via the control panel or by positioning the ice-level arm.

Manually Starting the Icemaker

Explains bypassing the 45-minute dwell and manual start procedure using the drive gear.

Icemaker Troubleshooting Guide

Icemaker Fault Testing

Steps for testing the icemaker, checking continuity, and wiring.

No or Slow Ice Production

Potential causes and checks for reduced or absent ice production.

Water Fill Issues

Addresses issues related to water filling the ice mold correctly.

Ice Blockages or Oversized Cubes

Troubleshooting for ice overflow, blockages, or incorrect cube size.

Hollow or Small Ice Cubes

Diagnosing and resolving issues with ice cube formation.

Excessive Ice Production

Steps to address the condition where too much ice is produced.

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