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Welbilt Koolaire KDF0150A User Manual

Welbilt Koolaire KDF0150A
136 pages
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Part Number STH047 Rev01 10/18
Undercounter Ice Machines
Technician’s Handbook
This manual is updated as new information and models are
released. Visit our website for the latest manual.
www.kool-aire.com

Table of Contents

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Welbilt Koolaire KDF0150A Specifications

General IconGeneral
ModelKDF0150A
TypeIce Maker
Ice TypeFull Dice
Condenser TypeAir-Cooled
RefrigerantR-404A
Voltage115V
Width30 inches
Production Capacity150 lbs per day
Power Supply115V, 60Hz
Water Connection3/8" O.D. Tubing

Summary

General Safety Notices

Electrical Safety Requirements

Follow electrical guidelines during installation to prevent hazards.

Installation and Operation Safety

Precautions for safe installation, operation, and maintenance of the ice machine.

Hazard Warnings and Danger Notices

Critical warnings and danger notices regarding equipment misuse and operation.

General Information

Model Identification and Warranty

Details on model numbers, identification, and warranty information.

Accessories and Model Number Explanation

Lists optional accessories and explains how to read a model number.

Installation Guide

Location, Clearance, and Leveling

Criteria for selecting the ice machine's location and procedure for leveling.

Electrical and Water Connections

Details on electrical requirements, specifications, water service, and drains.

Maintenance and Cleaning

Condenser and Exterior Cleaning

Instructions for cleaning the condenser fins and the exterior of the unit.

Interior Cleaning and Sanitizing

Detailed procedure for cleaning and sanitizing internal components.

Removal from Service/Winterization

Procedures for safely removing the ice machine from service or winterizing it.

Operation and Checks

Start-up and Cycle Explanations

Covers initial start-up, freeze, harvest, and automatic shut-off sequences.

Operational Check Procedures

Procedures for checking the siphon system, water level, and ice thickness.

Troubleshooting - General Issues

Ice Machine Not Running Diagnosis

Steps to diagnose why the ice machine will not start or run.

Ice Thickness Control and Production Issues

Troubleshooting control circuitry, ice production, and formation patterns.

Safety Limit and Pressure Analysis

Understanding safety limits and analyzing pressure readings.

Troubleshooting - Component Specific

Discharge and Suction Pressure Analysis

Analyzing discharge and suction pressures for diagnostic purposes.

Harvest Valve and Temperature Analysis

Troubleshooting the harvest valve and analyzing evaporator temperatures.

Refrigeration Component Diagnostics

Charts and procedures for diagnosing refrigeration component failures.

Component Checks and Refrigerant Handling

Component Testing Procedures

How to check fuses, switches, relays, compressor, and other components.

Refrigerant Recovery and System Cleanup

Procedures for refrigerant recovery, recharging, and system contamination cleanup.

Specifications, Charts, and Diagrams

Component Specifications and Data Charts

Technical specs for components and operational data charts for various models.

Wiring Diagrams and Schematics

Electrical wiring diagrams and tubing schematics for troubleshooting.

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