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icetro IM-0460-AH-22 - User Manual

icetro IM-0460-AH-22
166 pages
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Revision Date: 1/24/22
IM-Series
Air/Water/Remote Ice Machines
Technician’s Handbook

Table of Contents

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Summary

General Information

Installation

Location and Clearance Requirements

Outlines criteria for location selection and necessary clearances for operation.

Lineset Applications

Calculating Allowable Lineset Distance

Explains maximum allowable length, rise, and drop for line sets.

Calculating Total Lineset Distance

Provides formulas and steps to calculate total allowable line set distance.

Headmaster Valve

Maintenance

Cleaning and Sanitizing Procedures

Covers general cleaning and sanitizing procedures for the ice machine.

Cleaning and Sanitizing Procedures

Removal from Service;Winterization

FND Operation

Operation

Operational Checks

Outlines checks to ensure proper operation of the ice machine.

Ice Thickness Check

Details how to check and adjust ice thickness.

Sequence of Operation

Self-Contained Models

Explains the operational sequence for self-contained models.

Sequence of Operation for Remote Models

Remote Air-Cooled Condenser

Explains the operational sequence for remote air-cooled condenser models.

Troubleshooting

Error Code Analysis and Troubleshooting

Details specific error codes, their causes, and troubleshooting steps.

Ice Production Check

Ice Formation Pattern

Testing the Expansion Valve

Hot Gas Valve Analysis

Hot Gas Valve Analysis Procedure

Provides procedures for analyzing hot gas valve function.

Water Regulating Valve (Water-Cooled Models)

Problem: Freeze Cycle Discharge Pressure

Describes valve issues not maintaining discharge pressure.

High Discharge Pressure & Hot Liquid Line

Lists causes for high discharge pressure and hot liquid line.

Low Discharge Pressure & Warm;Hot Liquid Line

Lists causes for low discharge pressure and warm/hot liquid line.

Final Analysis of Ice Machine Models

Hot Gas Valve Leaking

Recommends replacing the hot gas valve if leaking.

Low Charge;TXV Starving

Discusses low charge and TXV starving issues.

TXV Flooding or Refrigerant Overcharge

Discusses TXV flooding and refrigerant overcharge issues.

Harvest Problems Analysis

Component Check Procedures

CONTROL BOARD (PCB)

Explains PCB function, standby mode, and operational sequences.

MAIN FUSE

Explains the function, specifications, and check procedure for the main fuse.

BIN SWITCH

Explains the bin switch function, specifications, and diagnostics.

WATER LEVEL CONTROL

Explains the water level probe function and specifications.

ICE THICKNESS PROBE (INITIATES HARVEST)

Explains the function and specifications of the ice thickness probe.

COMPRESSOR ELECTRICAL DIAGNOSTICS

Covers checking compressor resistance and windings.

Refrigeration Components

Refrigerant Charge Verification

Explains the importance of correct refrigerant charge and symptoms of incorrect amounts.

Harvest Cycle for Remote Condensers

Lists symptoms of undercharged and overcharged refrigerant in remote condensers.

HPR System for Remote Condensers

HPR System Diagnostics

Refrigerant Recovery;Evacuation

Self-Contained Model Procedure

Details refrigerant recovery/evacuation for self-contained models.

Remote Condenser Model Procedure

Refrigerant Recovery;Evacuation

Details refrigerant recovery/evacuation for remote condenser models.

Connections for Recovery;Evacuation

Explains the necessary connections for remote system recovery/evacuation.

Remote Condenser Recovery;Evacuation Steps

Lists steps for remote condenser recovery/evacuation.

System Contamination Clean-Up

General Requirements

Introduces requirements for restoring contaminated systems.

Determining Severity of Contamination

Explains how to determine the severity of system contamination.

Contamination Cleanup Chart

Provides a chart linking symptoms to required cleanup procedures.

Mild System Contamination Cleanup Procedure

Severe System Contamination Cleanup

Replacing Pressure Controls Without Refrigerant Removal

Liquid Line Filter-Driers

Total System Refrigerant Charge

Charts

Ice Production and Pressure Charts

Introduces charts used to verify ice machine operation and pressures.

Diagrams

Wiring Diagrams

States that the next page contains an electrical wiring diagram.

PCB Layout

PCB Dip Switches

Refrigeration Tubing Schematics

Self-Contained Air or Water-Cooled

Shows the refrigeration tubing schematic for self-contained models.

Remote Condenser Models

Shows the refrigeration tubing schematic for remote condenser models.

icetro IM-0460-AH-22 Specifications

General IconGeneral
Brandicetro
ModelIM-0460-AH-22
CategoryIce Maker
LanguageEnglish

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