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KitchenAid Job Aid 4322312 - User Manual

KitchenAid Job Aid 4322312
34 pages
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I
TECHNICAL EDUCATION
JOB AID 4322312
KAR-8
G-MODEL
25 cu. ft. TOP-MOUNT
REFRIGERATOR/FREEZER

Questions and Answers

Summary

Introduction

Safety

Electric Shock Hazard

Disconnect power before servicing to prevent death or electrical shock.

Personal Injury Hazard

Wear protective gloves due to sharp edges when removing components for service.

R134 a Refrigerant Service Information

Health and Safety Handling

Precautions for handling R134a refrigerant, including exposure limits and protective measures.

Theory of Operation

Temperature Control

Explains how freezer and refrigerator temperatures are regulated by thermostats and air damper controls.

Refrigerant Flow

Details the path of refrigerant through the sealed system from compressor to evaporator.

Air Flow

Describes how cold air is circulated between the freezer and refrigerator compartments.

Defrost System

Explains the automatic defrost cycle using a timer, bi-metal thermostat, and heater.

Component Access

Accessing the Component Compartment

Step-by-step guide to accessing components in the bottom compartment via a slide-out tray.

Accessing Heat Exchanger and Wiring Harness

Instructions for accessing the heat exchanger and wiring harness located behind the back cabinet cover.

Accessing Components in the Freezer Section

Details on accessing the evaporator, ice maker, and related parts within the freezer compartment.

Removing the Evaporator Fan Motor

Steps to remove the evaporator fan motor mounted on a shroud in the freezer section.

Removing the Defrost Bi-metal

Procedure for removing the defrost bi-metal thermostat from the evaporator coil outlet tube.

Removing the Defrost Heater Element

Instructions for removing the defrost heater element from the evaporator assembly.

Accessing Components in the Refrigerator Section

Guide to accessing components within the refrigerator compartment, focusing on the control box.

Control Box Component Removal

Procedures for removing individual components like the damper, thermostat, timer, and switches from the control box.

Accessing The Mullion Heater

Steps to remove the mullion heater by accessing it through the refrigerator compartment ceiling.

Troubleshooting and Diagnostics

Troubleshooting Guide

Provides a list of common problems and their possible causes for diagnosing refrigerator issues.

Diagnostic Information

Performance Data

Lists normal operating conditions, system pressures, and ambient/wattage data.

Service Information

Provides essential service guidelines and cautions for working on the unit.

General Component Information

Lists common components with their voltage, wattage, and part numbers for replacement.

Warranty

KitchenAid Refrigerators Warranty

Details KitchenAid's warranty coverage, what is paid for, and what is excluded for refrigerator units.

Tech Tips

Typical External Sweat Patterns

Classifies and illustrates common external condensation patterns on the refrigerator.

Wiring Harness Schematic

Diagram illustrating the wiring connections and layout of the appliance's electrical system.

Wiring Diagram

Schematic representation of the appliance's electrical circuit for troubleshooting and repair.

Strip Circuits

Illustrates specific electrical circuits (defrost, cooling, lights) for simplified analysis.

Serial and Model Number Designators

Serial Number Designators

Explains the meaning of characters in the appliance's serial number for identification.

Model Number Designators

Details the structure and meaning of characters within the appliance's model number.

KitchenAid Job Aid 4322312 Specifications

General IconGeneral
BrandKitchenAid
ModelJob Aid 4322312
CategoryRefrigerator
LanguageEnglish

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