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Hoshizaki RELIABILITY IS A BEAUTIFUL THING DCM-270BAH-OS User Manual

Hoshizaki RELIABILITY IS A BEAUTIFUL THING DCM-270BAH-OS
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Hoshizaki
“A Superior Degree
of Reliability”
www.hoshizaki.com
Models
DCM-270BAH(-OS)
Cubelet Icemaker/Dispenser
Hoshizaki America, Inc.
Number: 73110
Issued: 2-10-2004
Revised: 5-26-2005
SERVICE MANUAL
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Hoshizaki RELIABILITY IS A BEAUTIFUL THING DCM-270BAH-OS Specifications

General IconGeneral
BrandHoshizaki
ModelRELIABILITY IS A BEAUTIFUL THING DCM-270BAH-OS
CategoryIce Maker
LanguageEnglish

Summary

Specifications

DCM-270BAH-OS (air-cooled) Specifications

Detailed technical specifications for the Hoshizaki DCM-270BAH-OS ice dispenser, including electrical, performance, and dimensions.

General Information

Construction Overview

Description of the Hoshizaki Cubelet Ice Dispenser's main components and physical layout.

How the Ice Dispenser Works

Explanation of the ice making process, auger function, and bin control mechanism.

Technical Information

Water and Refrigerant Circuit Diagrams

Visual representation of water flow and refrigerant paths within the ice dispenser.

Performance Data Tables

Charts detailing ice production, consumption, and pressure at different ambient/water temperatures.

Electrical Wiring Diagram

Schematic showing all electrical connections, components, and wire color codes.

Electrical Circuit Operation Sequence

Step-by-step breakdown of electrical functions during ice making and dispensing cycles.

Service Diagnosis and Troubleshooting

Troubleshooting: No Ice Production

Identifies common causes and remedies for the dispenser failing to produce ice.

Troubleshooting: Low Ice Production

Addresses issues causing reduced ice output and potential solutions.

Troubleshooting: Dispenser Malfunctions

Diagnoses problems with ice/water dispensing, including sensor issues.

Optical Sensor Description

Detailed explanation of the touch-free optical sensors and their operation.

Troubleshooting: Other Common Issues

Solutions for miscellaneous problems like overflow, noise, or dispenser not stopping.

Component Removal and Replacement

Refrigerant System Service

Guidelines for refrigerant recovery, evacuation, and recharging.

Brazing Safety and Techniques

Essential safety precautions and methods for brazing refrigerant components.

Compressor Replacement Procedure

Step-by-step instructions for removing and installing the compressor.

Filter Drier Replacement

Instructions for replacing the refrigerant filter drier.

Thermostatic Expansion Valve (TXV) Service

Procedures for removing and replacing the TXV and its bulb.

Pressure Switch Replacement

Steps for removing and installing the high/low pressure switch.

Control Water Valve Replacement

Detailed instructions for replacing the control water valve.

Flush Water Valve Replacement

Guide for removing and installing the flush water valve.

Float Switch Replacement

Procedures for removing and replacing the float switch.

Bin Control Switch Assembly Replacement

Steps for removing and replacing the bin control switch assembly.

Storage Bin Assembly Replacement

Instructions for removing and installing the storage bin assembly.

Agitator and Drip Ring Replacement

Guide for removing and replacing the agitator and drip ring.

Evaporator Assembly Replacement

Procedures for removing and replacing the evaporator assembly.

Cleaning and Maintenance

Preparing for Long-Term Storage

Steps to prepare the ice dispenser for extended periods of inactivity.

Cleaning Procedure

Detailed steps for cleaning internal components using approved cleaning solutions.

Sanitizing Procedure

Instructions for sanitizing the ice dispenser with a bleach solution.

Routine Maintenance Guide

Regular checks for exterior, air filter, and condenser cleaning.

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