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Hoshizaki KM-250BWF User Manual

Hoshizaki KM-250BWF
51 pages
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1
HOSHIZAKI
CRESCENT CUBER
MODEL
SERVICE MANUAL
KM-250BAF
KM-250BWF
NO.:
ISSUED:
REVISED:
July 24, 2000
73094
December 22, 2004

Table of Contents

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Hoshizaki KM-250BWF Specifications

General IconGeneral
CondenserAir-cooled
RefrigerantR-404A
Voltage115V
Production Capacity250 lbs/day
Ice TypeCube
Power Supply115V/60Hz/1Ph

Summary

Hoshizaki Icemaker Specifications

KM-250BAF Model Specifications

Detailed technical specifications for the Hoshizaki KM-250BAF icemaker.

KM-250BWF Model Specifications

Detailed technical specifications for the Hoshizaki KM-250BWF icemaker.

Hoshizaki Icemaker General Information

KM-250BAF Construction Overview

Visual overview of the KM-250BAF icemaker's internal and external components.

KM-250BWF Construction Overview

Visual overview of the KM-250BWF icemaker's internal and external components.

Controller Board Functionality

Explanation of the solid-state control system and controller board features.

Hoshizaki Icemaker Technical Details

KM-250BAF Water and Refrigerant Flow

Diagram illustrating the water and refrigerant circuits for KM-250BAF.

KM-250BWF Water and Refrigerant Flow

Diagram illustrating the water and refrigerant circuits for KM-250BWF.

Electrical Wiring Diagram

Comprehensive electrical wiring schematic for both models.

Icemaker Timing and Operation Chart

Chart detailing the operational sequence and timing of icemaker functions.

Performance Data and Metrics

Key performance indicators and data under various conditions.

Hoshizaki Icemaker Service Diagnosis

Troubleshooting No Ice Production

Step-by-step guide to diagnose and fix no ice production issues.

Troubleshooting Evaporator Freeze-Up

Diagnosing and resolving problems related to evaporator freezing.

Troubleshooting Low Ice Production

Identifying and fixing causes of reduced ice output.

Troubleshooting Abnormal Ice Formation

Addressing issues related to ice shape or quality.

Other Icemaker Faults and Solutions

Solutions for miscellaneous operational problems.

Hoshizaki Icemaker Component Replacement

Refrigerant Line Service Procedures

Procedures for refrigerant recovery, evacuation, and recharging.

Brazing Techniques for Refrigerant Lines

Safe and effective methods for brazing refrigerant system components.

Compressor Replacement Guide

Step-by-step instructions for replacing the icemaker compressor.

Drier Replacement Procedure

Guide for removing and installing the refrigerant drier.

Expansion Valve Replacement Guide

Instructions for removing and replacing the expansion valve.

Hot Gas Valve Replacement Procedure

Steps for removing and installing the hot gas solenoid valve.

Evaporator Replacement Procedure

Guide for removing and replacing the evaporator assembly.

Water Regulating Valve Service (Water-Cooled)

Steps for removing and installing the water regulating valve on water-cooled models.

Water Regulating Valve Adjustment (Water-Cooled)

How to adjust the water regulating valve settings on water-cooled units.

Thermistor Replacement Procedure

Steps for removing and installing the temperature sensing thermistor.

Fan Motor Replacement (Non-Water-Cooled)

Guide for replacing the fan motor on air-cooled models.

Water Valve Replacement Procedure

Steps for removing and installing the main water inlet valve.

Pump Motor Replacement Guide

Instructions for removing and replacing the water pump motor.

Float Switch Replacement Procedure

Guide for removing and installing the float switch.

Spray Tubes Replacement Procedure

Steps for removing and installing the ice spray tubes.

Hoshizaki Icemaker Cleaning and Maintenance

Preparing for Long-Term Storage

Procedures for preparing the icemaker for extended periods of non-use.

Cleaning and Sanitizing Instructions

Detailed steps for cleaning and sanitizing the icemaker system.

Routine Maintenance Tasks

Recommended regular maintenance activities for optimal performance.

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