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KitchenAid KUIS155H User Manual

KitchenAid KUIS155H
80 pages
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TECHNICAL EDUCATION
JOB AID 4317339
KAR-14
15 & 18 AUTOMATIC
ICE MAKERS
KUIS155H,
KUIA15NRH, KUIA15NLH,
KUIA15RRL, KUIA15PLL,
KUIS15NRH, KUIS15PRH
KUIS185J,
KUIA18NNJ, KUIA18PNL,
KUIS18NNJ, KUIS18PNJ,
KUIV18NNM

Table of Contents

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KitchenAid KUIS155H Specifications

General IconGeneral
TypeUnder Counter Ice Maker
Power115V
FinishStainless Steel
RefrigerantR134a
Height34.5 inches
Ice ShapeCube

Summary

FORWARD

GOALS AND OBJECTIVES

GENERAL

Safety First

Essential safety precautions and warnings for operating the ice maker.

KitchenAid Model & Serial Number Designations—Models Prior To 2003

Explains model and serial number formats for units manufactured before 2003.

KitchenAid Model & Serial Number Designations—Models Starting With 2003

Details model and serial number conventions for units manufactured from 2003 onwards.

Model & Serial Number Label Location

Locates the model and serial number identification label on the appliance.

Specifications

Provides detailed technical specifications for the ice maker model.

KitchenAid Ice Maker Warranty

Outlines the warranty coverage and terms for KitchenAid ice makers.

Electrical Power Supply & Grounding Requirements

Details the necessary electrical power supply and proper grounding requirements.

INSTALLATION INFORMATION

Electrical Supply Requirements

Details the necessary electrical power supply and grounding requirements.

Water Supply And Drain Connections

Instructions for connecting water supply and drain lines to the ice maker.

Connecting The Drain

Instructions for properly connecting the ice maker's drain system.

THEORY OF OPERATION

Operating Systems

Overview of the main operating systems within the ice maker.

Operational Cycles

Description of the different operational cycles the ice maker goes through.

Refrigeration System

Details the refrigeration system components and their operation, including R134a refrigerant.

Water System

Explains the function of the water system, including recirculation and cleaning.

Electrical System

Illustrates the ice maker's electrical system, including power distribution and controls.

Ice Making Cycle

Describes the process and conditions of the ice making cycle.

Harvest Cycle

Explains the harvest cycle operation, including electrical, refrigeration, and water systems.

Diagnostics / Clean Cycle

Details the electrical and water system operations during diagnostics and clean cycles.

Flush Mode (5 minutes)

Details the sequence and duration of the 5-minute Flush Mode.

Idle Mode

Describes the Idle Mode, its duration, and the role of the bin thermistor.

Freeze Mode

Details the minimum and maximum duration of the Freeze Mode.

Harvest Mode

Explains the Harvest Mode duration and dependencies on the evaporator thermistor.

COMPONENT ACCESS

New Ice Maker Control Board (#6100499)

Information regarding the new control board model #6100499 and its improvements.

Models With Internal Drain Pumps

Details the operation and features of ice maker models with internal drain pumps.

Component Locations

Illustrates the physical locations of various internal components of the ice maker.

Removing The Bin Thermistor, Cutter Grid, Evaporator Thermistor, & Water Distributor

Step-by-step guide to removing specific components like thermistors and water distributor.

Removing The Electronic Control Housing Components

Procedure for accessing and removing components housed within the electronic control unit.

Removing The Water Recirculation Pump

Detailed steps for removing the water recirculation pump assembly.

Removing The Condenser Fan Motor

Instructions on how to remove the condenser fan motor.

Removing The Evaporator

Procedure for removing the evaporator unit from the ice maker.

Removing The Water Inlet Valve

Step-by-step guide for removing the water inlet valve.

Removing The Hot Gas Valve & Solenoid

Instructions for removing the hot gas valve and its solenoid.

Removing The Condenser

Procedure for safely removing the condenser unit.

Removing The Compressor

Step-by-step guide for removing the compressor.

Removing The Internal Drain Pump

Instructions for removing the internal drain pump on applicable models.

Removing The Ice Maker Door & Gasket (15″ Models)

Guide for removing the door and gasket on 15-inch ice maker models.

Removing The Ice Maker Door & Gasket (18" Models)

Guide for removing the door and gasket on 18-inch ice maker models.

COMPONENT TESTING

Bin Thermistor

Procedure and expected readings for testing the bin thermistor.

Evaporator Thermistor

Procedure and expected readings for testing the evaporator thermistor.

Cutter Grid

Instructions for testing the cutter grid component.

Cutter Grid Transformer

Procedure for testing the cutter grid transformer.

Water Recirculation Pump

Steps to test the water recirculation pump.

Condenser Fan Motor

Procedure for testing the condenser fan motor.

Water Inlet Valve Solenoid

Testing procedure for the water inlet valve solenoid.

Hot Gas Valve Solenoid

Procedure to test the hot gas valve solenoid.

Compressor, Overload Protector, & Relay

Testing procedures for the compressor, overload protector, and relay.

Pushbutton Switch Assembly

How to test the pushbutton switch assembly.

DIAGNOSIS & TROUBLESHOOTING

Water And Its Effect On Making Ice

Explains how water quality impacts ice production and quality.

Effect On Ice Quality

Details the effects of various ingredients on ice quality.

Effect On Ice Maker

Details the effects of water impurities on the ice maker's performance.

Troubleshooting Chart

A chart listing common problems, their probable causes, and testing actions.

Diagnostic Flow Chart For Ice Maker Control Board #6100499

Flow chart for diagnosing issues with the #6100499 control board.

Overview

Provides an overview of the diagnostic flow chart for the control board.

WIRING DIAGRAM & STRIP CIRCUITS

Wiring Diagram

Schematic diagram illustrating the ice maker's electrical wiring.

Strip Circuits

Diagrams showing simplified electrical strip circuits for different modes.

Ice Making Mode

Strip circuit diagram for the ice making operational mode.

Harvest Mode

Strip circuit diagram for the harvest operational mode.

TECH TIPS

Cleaning The Ice Maker

General advice and recommendations for cleaning the ice maker.

Cleaning The Evaporator Plate

Step-by-step guide for cleaning the evaporator plate.

Adjusting The Ice Thickness

Instructions for adjusting the ice thickness setting.

Failure Mode

Service/Clean Mode

Clean Mode

Details the 50-minute Clean Mode, including component cycling and LED status.

Product Specifications and Warranty Information Sources

Related product manuals