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Manitowoc QD0422A User Manual

Manitowoc QD0422A
175 pages
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ICE MACHINES
Q
-Mode
l
Service Manual
Service Manual
Service Manual
C
2004 Manitowoc Ice, Inc.
80-1597-3
6/04

Table of Contents

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Manitowoc QD0422A Specifications

General IconGeneral
BrandManitowoc
ModelQD0422A
CategoryIce Maker
LanguageEnglish

Summary

Section 1 General Information

Manitowoc Ice Machine Model Numbers

Explains how to identify different Manitowoc ice machine models and their configurations.

Locating Ice Machine Model and Serial Numbers

Details where to find the model and serial number decals on the ice machine for service.

Manitowoc Ice Machine Warranty Coverage Details

Outlines the terms, conditions, parts, labor, and exclusions of the product warranty.

Section 2 Installation Instructions

Manitowoc Ice Machine Installation Dimensions

Provides physical dimensions for various ice machine models for installation planning.

Ice Storage Bin Dimensions

Lists the physical dimensions of different ice storage bin models for proper setup.

Choosing the Correct Ice Machine Location

Specifies the criteria for selecting an appropriate installation location for the ice machine.

Manitowoc Ice Machine Electrical Service Requirements

Details voltage, fuse/breaker, and ampacity requirements for safe electrical connections.

Section 3 Maintenance

Identifying Key Ice Machine Components

Illustrates and labels the main parts of the ice machine for maintenance reference.

Performing Routine Ice Machine Operational Checks

Outlines essential checks to ensure proper ice machine operation before use.

How to Clean the Ice Machine Condenser

Provides steps for cleaning air-cooled and water-cooled condensers for optimal performance.

Sanitizing and Cleaning the Ice Machine Interior

Explains the procedure for cleaning and sanitizing internal surfaces and components.

Section 4 Ice Machine Sequence of Operation

Ice Machine Operation Sequence: Self-Contained Models

Details the step-by-step operational cycles for self-contained ice machines.

Ice Machine Operation Sequence: Remote Models

Describes the step-by-step operational cycles for remote ice machines.

Section 5 Water System Ice Making Sequence of Operation

Ice Making Water System Start-Up Sequence

Explains the initial water system sequence during startup or after automatic shut-off.

Ice Making Water System Freeze Cycle Operation

Details the water flow and fill valve operation during the ice making freeze cycle.

Section 6 Electrical System

Ice Machine Wiring Diagram Sequence Overview

Explains how wiring diagrams relate to the ice machine's operational sequences.

Q200/Q280/Q320 Self-Contained Wiring Diagram (1 Phase)

Provides the specific wiring diagram for 1-phase self-contained models with terminal boards.

Diagnosing Ice Machine Compressor Electrical Issues

Guides on troubleshooting compressor electrical problems like resistance and seized rotors.

Diagnosing Positive Temperature Coefficient Resistor (PTCR)

Explains how to test and troubleshoot the PTCR component for compressor starting.

Ice Machine Toggle Switch Operation and Testing

Details the function, specifications, and testing procedure for the ICE/OFF/CLEAN switch.

Ice Thickness Probe Function and Troubleshooting

Explains how the ice thickness probe initiates harvest and how to diagnose related issues.

Section 7 Refrigeration System

Ice Machine Refrigeration Sequence Overview

Provides a general overview of the refrigeration cycle for self-contained models.

Refrigerant Handling: Recovery, Evacuation, and Recharging

Outlines procedures for safe and compliant refrigerant handling for self-contained units.

Cleaning Contaminated Refrigeration Systems

Details procedures for cleaning systems with mild or severe contamination.

Manitowoc Refrigerant Re-Use Policy Guidelines

Explains Manitowoc's policy on using new, reclaimed, or recovered refrigerants.

HFC Refrigerant Handling and Service FAQs

Addresses common questions regarding HFC refrigerants and their service requirements.

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