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KitchenAid Job Aid 4322312 Technical Education

25 cu. ft. top-mount refrigerator/freezer g-model
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KAR-8
TECHNICAL EDUCATION
G-MODEL
25 cu. ft. TOP-MOUNT
REFRIGERATOR/FREEZER
JOB AID 4322312
I

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  Summary of Contents for KitchenAid Job Aid 4322312

  • Page 1 KAR-8 TECHNICAL EDUCATION G-MODEL 25 cu. ft. TOP-MOUNT REFRIGERATOR/FREEZER JOB AID 4322312...
  • Page 2: Introduction

    INTRODUCTION This Job Aid, 1998 "G" Model, 25 cu. ft. TOP-MOUNT REFRIGERATOR/FREEZERS, (Part No. 4322312) provides specific information for the installation, service and repair of 1998 "G" Model 25 cu. ft. Top Mount Refrigerator/Freezers. 1998 "G" Model, 25 cu. ft. T0P-MOUNT REFRIGERATOR/FREEZERS has been compiled to provide the most recent information on design, features, troubleshooting, service and repair procedures.
  • Page 3: Table Of Contents

    TECH TIPS TECH TIPS TECH TIPS TECH TIPS TECH TIPS Typical External Sweat Patterns ............... 19 Wiring Harness Schematic ................ 20 Wiring Diagram ..................21 Strip Circuits ....................22 Serial and Model Number Designators ............ 24 KitchenAid Warranty .................. 25...
  • Page 4: Safety

    SAFETY WARNING To avoid the risk of electrical shock, property damage, personal injury or death: • The power cord must be plugged into a 3-prong, grounding-type wall receptacle, grounded in accordance with the National Electrical Code, ANSI/NFPA 70 - latest edition and local codes and ordinances.
  • Page 5: R134A Refrigerant Service Information

    R134a REFRIGERANT Service Information This product uses R134a refrigerant. This refrigerant requires synthetic Ester oil in the compressor. This cooling system does not tolerate contamination from any of the following: • Other Refrigerants • Moisture • Petroleum-based Lubricants • Silicone Lubricants •...
  • Page 7: Section One

    ANSWER SHEET CONFIRMATION OF LEARNING CONFIRMATION OF LEARNING CONFIRMATION OF LEARNING CONFIRMATION OF LEARNING CONFIRMATION OF LEARNING EXERCISES EXERCISES EXERCISES EXERCISES EXERCISES Section Two Section Three Section One True or False Statements: True or False Statements: True or False Statements: 1.
  • Page 8 VIII...
  • Page 10: Section Two

    SECTION TWO THEORY OF OPERATION THEORY OF OPERATION THEORY OF OPERATION THEORY OF OPERATION THEORY OF OPERATION TEMPERATURE CONTROL Freezer temperature is regulated by an air-sensing thermostat inside the control box located at the top front of the refrigerator compartment. This thermostat actuates the compressor to circulate refrigerant through the sealed system to remove heat from the freezer and refrigerator sections.
  • Page 11: Air Flow

    Air Flow Air inside the freezer section is cooled when it is drawn across the evaporator and circulated through the freezer compartment. Cold freezer air is also drawn into the refrigerator compartment and circulated to remove heat. Freezer Air Supply Grille Evaporator Fan Assembly Refrigerator Air...
  • Page 12: Defrost System

    Defrost System Automatic defrost after every eight hours of compressor run time is accomplished by utilizing a defrost timer thermostat in the control box, a defrost bi-metal thermostat attached to the outlet of the evapotator and a radiant electric heater suspended beneath the evaporator. (Fig. 4) The bi-metal thermostat is attached to the outlet side of the evaorator coil tubing (Fig.
  • Page 13 SECTION TWO CONFIRMATION OF LEARNING CONFIRMATION OF LEARNING CONFIRMATION OF LEARNING CONFIRMATION OF LEARNING CONFIRMATION OF LEARNING EXERCISES EXERCISES EXERCISES EXERCISES EXERCISES In the blank to the left of the statement, place a T if the statement is TRUE or an F if the statement is FALSE.
  • Page 14: Section Three

    SECTION THREE COMPONENT ACCESS COMPONENT ACCESS COMPONENT ACCESS COMPONENT ACCESS COMPONENT ACCESS Accessing the components in the 25 cu. ft. Top-Mount Refrigerator/Freezer is generally quite similar to other typical Whirlpool units. Accessing the Component Compartment Components located in the component compartment are assembled on a slide-out tray at the bottom of the unit.
  • Page 15: Accessing The Heat Exchanger And Wiring Harness

    Accessing the Heat Exchanger and Wiring Harness The heat exchanger and wiring harness are located under the metal cover on the back of the cabinet. Remove the six (6) screws securing the cover to the back of the cabinet. (Fig. 10 & 11) Heat Exchanger Heat...
  • Page 16 Screws (under lens) Ice Cube Tray Shelf Freezer Shelf Light Lens Screw Fig. 13 2. Remove the automatic ice maker (if present) or slide the ice cube tray shelf forward to release it from the (3) stand-off screws securing it to the freezer compartment ceiling. 3.
  • Page 17: Removing The Evaporator Fan Motor

    Removing the Evaporator Fan Motor The evaporator fan motor is mounted on a bracket that is attached to a shroud mounted to the back wall of the freezer section. (Fig. 16) 1. Remove freezer back panels. 2. Remove the two screws mounting the sheet metal cover plate to the bottom of the fan shroud. 3.
  • Page 18 Removing the Defrost Heater Element NOTE: Using this procedure will require the use of a ¼” magnetic nut driver when removing and installing the three (3) screws securing the evaporator heat shield. A dropped screw will fall into the condensate drain trough and possibly be lost into the condensate drain.
  • Page 19: Accessing Component In The Refrigerator Compartment

    9. remove the two (2) clips securing the heater to the evaporator bottom and slide the heater down until it disengages from Fig. 21 Evaporator the evaporator. (Fig. 21) Retaining Clip Retaining Clip Defrost Heater Accessing Components in the Refrigerator Section Accessing the Control Box The control box is located at the front of the refrigerator section and is secured to the refrigerator compartment ceiling.
  • Page 20 Removing the Damper Control 1. Remove the control box from the unit. 2. Unclip the damper control from the two mounting posts and slide it up and off the posts. NOTE: Before installing a service replacement damper, rotate the control shaft full counterclockwise.
  • Page 21 Accessing The Mullion Heater 1. Remove the doors and center hinge. 2. Remove the Phillips-head screw in the ceiling of the refrigerator compartment that secures the center mullion cover to the cabinet. 3. Press in on one side of the mullion cover and slide it until the opposite side clears the cabinet flange.
  • Page 22: Section Four

    SECTION FOUR TROUBLESHOOTING AND DIAGNOSTICS TROUBLESHOOTING AND DIAGNOSTICS TROUBLESHOOTING AND DIAGNOSTICS TROUBLESHOOTING AND DIAGNOSTICS TROUBLESHOOTING AND DIAGNOSTICS TROUBLESHOOTING GUIDE POSSIBLE CAUSE PROBLEM Operating Sound Level See owners manual for explanation of normal operating sound Freezer Warm - Compressor Off Temperature Control defective or setting too warm Defrost control stalled in defrost mode (defective) C.
  • Page 23 PROBLEM POSSIBLE CAUSE Short off Cycle High ambient and/or heavy usage Freezer control knob set too cold C. Freezer control out of calibration D. Light on constantly Poor door seal 10. Long or Continuous Operation Heavy usage and/or high ambient Inadequate condenser air flow C.
  • Page 24: Diagnostic Information

    DIAGNOSTIC INFORMATION WARNING ELECTRIC SHOCK HAZARD Disconnect the electrical power before servicing any components. Failure to do so can result in death or electrical shock. *Normal operating conditions are viewed when PERFORMANCE DATE air and temperature controls are at mid-setting, *(NORMAL OPERATING CONDITIONS) freezer section temperature is between 0°- 5°F SYSTEM PRESSURE...
  • Page 25 -- NOTES --...
  • Page 26: Section Five

    SECTION FIVE TECH TIPS TECH TIPS TECH TIPS TECH TIPS TECH TIPS TYPICAL EXTERNAL SWEAT PATTERNS FRONT RIGHT SIDE LEFT SIDE CLASSIFICATIONS OF CONDENSATION 1 = Haze or fog 2 = Beading 3 = Beads or small drops 4 = Drops running together BOTTOM FRZ.
  • Page 27: Wiring Harness Schematic

    WIRING HARNESS SCHEMATIC...
  • Page 28: Wiring Diagram

    WIRING DIAGRAM...
  • Page 29: Strip Circuits

    STRIP CIRCUITS 1. Defrost Circuit - Defrost Heater Energized 2. Cooling Circuit - Freezer thermostat calling for cooling (at instant of compressor start) 3. Cooling Circuit - Freezer thermostat calling for cooling (running) 4. Refrigerator Lights Circuit - Refrigerator door open...
  • Page 30 5. Freezer Light Circuit - Freezer Door Open 6. Automatic Ice Maker/Water Supply Valve Circuit 6. Mullion Heater Circuit MULLION HEATER CABINET MOISTURE CONTROL SWITCH...
  • Page 31: Serial And Model Number Designators

    EC H 39 40174 Manufacturer Site/Source Calendar Year H=1998 Calendar Week Sequential Serial Number The model number for the KitchenAid brand 25 cu. ft. Top Mount Refrigerator/Freezers contains the following designations: Model Number K TR G WH 00 Marketing Channel...
  • Page 32: Kitchenaid Warranty

    PRODUCT FROM DATE OF PURCHASE KITCHENAID AND KITCHENAID CANADA DO NOT ASSUME ANY RESPONSIBILITY FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES. Some states or provinces do not allow the exclusion or limitation of incidental or consequential damages, so this exclusion or limitation may not apply to you.
  • Page 33 -- NOTES --...
  • Page 34 For the way it's made.™...

This manual is also suitable for:

G 4322312