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KitchenAid KAR-13 Technical Education

Outdoor automatic ice maker.
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Appliance911
KAR-13
TECHNICAL EDUCATION
OUTDOOR AUTOMATIC

ICE MAKER

KitchenAid Ice Machine Model KUIO15NNLS Parts
Model KUIO15NNLS
KUIO15NNLS
JOB AID 4317309

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Table of Contents

   Summary of Contents for KitchenAid KAR-13

  • Page 1: Ice Maker

    Appliance911 KAR-13 TECHNICAL EDUCATION OUTDOOR AUTOMATIC ICE MAKER KitchenAid Ice Machine Model KUIO15NNLS Parts Model KUIO15NNLS KUIO15NNLS JOB AID 4317309...
  • Page 2 FORWARD This KitchenAid Job Aid, “Outdoor Automatic Ice Maker,” (Part No. 4317309), provides the technician with information on the installation, operation, and service of the Outdoor Automatic Ice Maker. It is to be used as a training Job Aid and Service Manual. For specific information on the model being serviced, refer to the “Use and Care Guide,”...
  • Page 3: Table Of Contents

    TABLE OF CONTENTS Page GENERAL ..........................1-1 Safety First ......................... 1-1 KitchenAid Model & Serial Number Designations .............. 1-3 Model & Serial Number Label And Wiring Diagram Locations .......... 1-4 Specifications ........................1-5 Outdoor Ice Maker Warranty ..................... 1-6 INSTALLATION INFORMATION ................... 2-1 Electrical Supply Requirements ..................
  • Page 4 Page DIAGNOSIS & TROUBLESHOOTING ................... 6-1 Timing Chart ........................6-1 Troubleshooting Chart ....................... 6-2 WIRING DIAGRAM & STRIP CIRCUITS ................7-1 Wiring Diagram ........................7-1 Strip Circuits ........................7-2 TECH TIPS ..........................8-1 Cleaning The Ice Maker ..................... 8-1 Routine Cleaning ......................8-1 Cleaning The Spray Assembly ..................
  • Page 5: General

    GENERAL SAFETY FIRST Your safety and the safety of others is very important. We have provided many important safety messages in this Job Aid and on the appliance. Always read and obey all safety messages. This is the safety alert symbol. This symbol alerts you to hazards that can kill or hurt you and others.
  • Page 6 WARNING IMPORTANT Electrostatic Discharge (ESD) Sensitive Electronics ESD problems are present everywhere. ESD may damage or weaken the elec- tronic control assembly. The new control assembly may appear to work well after Electrical Shock Hazard repair is finished, but failure may occur at Connect green ground wire to ground a later date due to ESD stress.
  • Page 7: Kitchenaid Model & Serial Number Designations

    KITCHENAID MODEL & SERIAL NUMBER DESIGNATIONS MODEL NUMBER MODEL NUMBER K UI O 15 NN L S 0 INTERNATIONAL SALES IND. OR MARKETING CHANNEL IF PRESENT PRODUCT GROUP K = KITCHENAID PRODUCT IDENTIFICATION UI = UNDERCOUNTER ICE MAKER MERCHANDISING SCHEME...
  • Page 8: Model & Serial Number Label And Wiring Diagram Locations

    MODEL & SERIAL NUMBER LABEL AND WIRING DIAGRAM LOCATIONS The Model/Serial Number label and Wiring Diagram locations are shown below. Model & Serial Number Label Location Wiring Diagram Location (On Rear Of Front Panel)
  • Page 9: Specifications

    SPECIFICATIONS AC Power Supply .................104 To 127 VAC, 60 Hz Amperage ............3.4A (5 Minute Freeze @ 104°F/WT 80°F) Minimum Circuit Capacity ................... 15 Amps Maximum Fuse Size .................... 15 Amps Ice Production Per 24 Hr. (Approximate) ................Water Temperature (°F/°C) Ambient Temp (°F/°C) 50/10...
  • Page 10: Outdoor Ice Maker Warranty

    OUTDOOR ICE MAKER WARRANTY...
  • Page 11: Installation Information

    INSTALLATION INFORMATION ELECTRICAL SUPPLY REQUIREMENTS • A 115 Volt, 60 Hz, AC only 15 ampere electrical WARNING supply, properly grounded in accordance with the National Electrical Code and local codes and ordinances, is required. • It is recommended that a separate circuit, serving only the ice maker, be provided.
  • Page 12: Water Supply And Drain Connections

    WATER SUPPLY AND DRAIN CONNECTIONS CAUTION: To prevent damage to the freezer • The drain outlet hose is 5/8″ (16mm) I.D. and mechanism, do not operate this ice maker internally connected with a 2/3″ (17mm) O.D. when the water supply is OFF, or if the pres- drain outlet.
  • Page 13: Theory Of Operation

    THEORY OF OPERATION THE CONTROLS ICE MAKING CONTROL At low temperature conditions where the har- vest cycle exceeds 3 minutes, the water valve The freeze and harvest cycles are controlled will de-energize after 3 minutes. by a thermistor and an electronic control. At the initial start, or after a power failure, the The electronic controller uses a thermistor that ice maker will begin in the harvest cycle, be-...
  • Page 14: Water And Refrigerant Circuit

    WATER AND REFRIGERANT CIRCUIT...
  • Page 15: Component Access

    COMPONENT ACCESS This section instructs you on how to service each component inside the Outdoor Automatic Ice Maker. The components and their locations are shown below. COMPONENT LOCATIONS TOP OF UNIT Bin Thermostat (On Rear Panel) Evaporator Thermistor Water Inlet Valve Hot Gas Valve (Behind Compressor) Evaporator...
  • Page 16: Removing The Water Inlet Valve

    REMOVING THE WATER INLET VALVE 10. Lift the water inlet valve, release the inlet WARNING fill tube from the molded retainer, and remove them from the ice maker. Electrical Shock Hazard Disconnect power before servicing. Replace all parts and panels before operating.
  • Page 17: Removing The Evaporator

    REMOVING THE EVAPORATOR 10. Remove the water inlet valve solenoid WARNING wires from the terminals and move them out of the way. 11. Remove the evaporator thermistor screw and remove the thermistor from the evapo- rator. NOTE: You will need to replace the thermistor and rebond it to the new evapo- rator using the sealant provided with the Electrical Shock Hazard...
  • Page 18: Removing The Water Recirculation Pump

    REMOVING THE WATER RECIRCULATION PUMP 11. Squeeze the locking tabs on the tube clip WARNING and remove the tube from the water reser- voir. 12. Pull the other end of the tube off the water recirculation pump. Electrical Shock Hazard Disconnect power before servicing.
  • Page 19 14. Remove the screw from the right side of 16. Disconnect the recirculation pump 3-wire the water recirculation pump cover. Grasp connector. the drain hose at the bottom of the cover, 17. Cut the indicated wire tie. then pull down and forward, and remove 18.
  • Page 20 20. Lift the rear of the evaporator and the front 22. Use a 9/32″ socket or a phillips screw- of the ice making component housing, driver, and remove the recirculation pump then slide the housing under the evapora- mounting screws. tor toward the front of the unit until the 23.
  • Page 21 REASSEMBLY NOTES: WARNING • Be sure to route the water recirculation pump wire cable toward the back of the unit and behind the water inlet fill tube. • Be sure to fit the water inlet fill tube inside the molded retainer, as shown below. Water Inlet Fill Tube In Retainer Electrical Shock Hazard...
  • Page 22: Removing The Evaporator Thermistor

    REMOVING THE EVAPORATOR THERMISTOR Remove the screw from the evaporator WARNING thermistor mounting bracket, and break the bracket loose from the evaporator. 10. Remove the rubber grommet and remove the evaporator thermistor wires from the grommet. Evaporator Thermistor Bracket & Screw Electrical Shock Hazard Disconnect power before servicing.
  • Page 23 13. Disconnect the two evaporator thermistor wire connectors from the electronic con- trol board terminals TH1 and TH2, and remove the evaporator thermistor. NOTE: Refer to page 4-14 for the procedure for accessing the electronic control board. Evaporator Thermistor Wire Connectors...
  • Page 24: Removing The Bin Thermostat

    REMOVING THE BIN THERMOSTAT 10. Remove the two screws from the bin ther- WARNING mostat bracket and remove the thermo- stat. 11. Cut the wire tie from around the plastic bag and bin thermostat wires and remove the bag. Electrical Shock Hazard Wire Tie Disconnect power before servicing.
  • Page 25 NOTE: Before you remove the bin thermostat 15. Pull the sensing tube and heater out of the sensing tube in the next step, note the way it is rear of the unit, and remove the bin ther- routed. mostat. 14. From inside the ice maker, straighten the REASSEMBLY NOTE: When you reinstall the end of the sensing tube, and pull it out of sensing tube and heater from the new bin...
  • Page 26: Removing The Hot Gas Valve And Solenoid

    REMOVING THE HOT GAS VALVE AND SOLENOID 10. Remove the six screws from the unit com- WARNING partment cover, remove the cover, and pull the power cord and strain relief out of the u-channel. Screw (1 0f 6) Power Cord & Strain Relief Electrical Shock Hazard Disconnect power before servicing.
  • Page 27 b) Remove the 7mm hex-head screw from c) Access the sealed system and discharge the solenoid and lift the solenoid off the the refrigerant into an approved recovery hot gas valve. system. d) Unbraze the hot gas valve from the sealed system (see the photo in the left column for the joints to braze).
  • Page 28: Removing The Master Switch, Recirculation Pump Motor Capacitor, And Electronic Control Board

    REMOVING THE MASTER SWITCH, RECIRCULATION PUMP MOTOR CAPACITOR, AND ELECTRONIC CONTROL BOARD To remove the master switch: WARNING a) Remove the hex nut w/boot from the master switch. Electronic Control Board Cover Electrical Shock Hazard Disconnect power before servicing. Nut W/Boot Replace all parts and panels before operating.
  • Page 29 To remove the recirculation pump mo- To remove the electronic control board: tor capacitor: a) Disconnect the wire connectors from a) Disconnect the two wire connectors the electronic control board terminals. from the capacitor terminals. b) Squeeze the locking tab on each stand- b) Remove the mounting screw from the off while you pull the board off the capacitor and remove the capacitor from...
  • Page 30: Removing The Condenser Fan Motor

    REMOVING THE CONDENSER FAN MOTOR Remove the two 8mm hex head bolts from WARNING the condenser fan motor bracket. Electrical Shock Hazard Disconnect power before servicing. Replace all parts and panels before operating. Failure to do so can result in death or electrical shock.
  • Page 31 Remove the three 1/4″ hex-head screws Remove the 7/16″ nut and lockwasher from the condenser fan motor and remove from the condenser fan motor shaft and the motor from the bracket. remove the fan blade from the motor. 7/16″ Fan Blade Nut &...
  • Page 32: Removing The Condenser

    REMOVING THE CONDENSER Remove the two screws from the con- WARNING denser flanges. 10. Remove the two screws from the top con- denser bracket. Top Condenser Bracket Screws Electrical Shock Hazard Disconnect power before servicing. Replace all parts and panels before operating.
  • Page 33 Joint Connections 12. Access the sealed system and discharge the refrigerant into an approved recovery system. 13. Unbraze the two condenser joints from the sealed system and remove the condenser. Condenser 4-19...
  • Page 34: Removing The Compressor

    REMOVING THE COMPRESSOR Remove the six screws from the unit com- WARNING partment cover, remove the cover, and pull the power cord and strain relief out of the u-channel. Power Cord & Strain Relief Screw (1 0f 6) Electrical Shock Hazard Disconnect power before servicing.
  • Page 35 11. Remove the wire connectors from the relay and the overload protector. 12. Pull the relay and the overload protector from the compressor pins. Overload Protector Wire Filter/Drier Wire 16. Remove the four compressor mounting screws from the rubber isolators and re- move the compressor from the unit.
  • Page 36: Removing The Door, Door Gasket, And Top Cover

    REMOVING THE DOOR, DOOR GASKET, AND TOP COVER To remove the door gasket, grasp the WARNING gasket, and pull it out of the door channel. Door Gasket Electrical Shock Hazard Disconnect power before servicing. Replace all parts and panels before operating.
  • Page 37: Component Testing

    COMPONENT TESTING Before testing any of the components, perform • Check all connections before replacing com- the following checks: ponents, looking for broken or loose wires, failed terminals, or wires not pressed into • Control failure can be the result of corrosion connectors far enough.
  • Page 38: Evaporator Thermistor

    WARNING Electrical Shock Hazard Disconnect power before servicing. Replace all parts and panels before operating. Failure to do so can result in death or electrical shock. BIN THERMOSTAT EVAPORATOR THERMISTOR Sensor Refer to page 4-8 for the procedure for servic- ing the evaporator thermistor.
  • Page 39: Hot Gas Valve Solenoid

    WARNING Electrical Shock Hazard Disconnect power before servicing. Replace all parts and panels before operating. Failure to do so can result in death or electrical shock. MASTER SWITCH HOT GAS VALVE SOLENOID 1 OR 4 BK 2 BR 5 RD 3 OR 6 N/C Refer to page 4-14 for the procedure for servic-...
  • Page 40: Recirculation Pump Motor Capacitor

    WARNING Electrical Shock Hazard Disconnect power before servicing. Replace all parts and panels before operating. Failure to do so can result in death or electrical shock. RECIRCULATION PUMP CONDENSER FAN MOTOR MOTOR CAPACITOR Refer to page 4-14 for the procedure for servic- ing the recirculation pump motor capacitor.
  • Page 41: Compressor, Overload, & Relay

    WARNING Electrical Shock Hazard Disconnect power before servicing. Replace all parts and panels before operating. Failure to do so can result in death or electrical shock. COMPRESSOR, OVERLOAD, Refer to page 4-20 for the procedure for servic- ing the compressor, overload, and relay. &...
  • Page 42 — NOTES —...
  • Page 43: Diagnosis & Troubleshooting

    DIAGNOSIS & TROUBLESHOOTING TIMING CHART...
  • Page 44: Troubleshooting Chart

    TROUBLESHOOTING CHART PROBLEM CHECK POSSIBLE CAUSE REMEDY [1] The icemaker will not a) Power Cord 1. Loose connections 1. Tighten start 2. Open circuit-damaged 2. Repair or replace b) Master Switch 1. "OFF" position 1. Move to “ICE" position 2. Loose connections 2.
  • Page 45 PROBLEM CHECK POSSIBLE CAUSE REMEDY [6] Will not fill with water a) Water Supply 1. Shut-off Valve or Water . Open Tap closed b) Water Valve 1. Filter clogged 1. Repair or replace water valve 2. Coil winding opened 2. Replace [7] Water continues to be a) Water Valve 1.
  • Page 46 PROBLEM CHECK POSSIBLE CAUSE REMEDY [11] Cloudy cubes a) Water Quality 1. High hardness or contains 1. Install a water filter or impurities scale treatment b) Noz 1. Clogged 1. Clean system (see page 8-1) 2. Misaligned Nozzle and 2. Place in correct position Water Tank 1.
  • Page 47: Wiring Diagram & Strip Circuits

    WIRING DIAGRAM & STRIP CIRCUITS WIRING DIAGRAM Evaporator Thermistor 2.5K Ω @ 70°F 6K Ω @ 32°F Bin Control Thermostat Master Switch Electronic Control Board N.C. N.O. Relay Relay Water Pump Capacitor A = 314 Ω 1.0 UF M = 220 Ω Condenser Fan Motor 52 Ω...
  • Page 48: Strip Circuits

    STRIP CIRCUITS ICE MAKING MODE Master Control Bin Control Compressor Switch Switch PTC Relay Overload Thermostat Capacitor Water Pump 1.0 UF Master Bin Control Switch Thermostat X1 Relay Fan Motor HARVEST MODE Master Bin Control Switch Thermostat Hot Gas Solenoid X1 Relay Master Bin Control...
  • Page 49: Tech Tips

    Failure to do so can result in death or electrical shock. NOTES: • KitchenAid recommends cleaning the ice maker at least once a year. More frequent cleaning may be required in areas that con- tain heavy amounts of minerals in the water supply.
  • Page 50: Cleaning The Spray Assembly

    Pull out on the left and right locking tabs, CLEANING THE SPRAY ASSEMBLY and pull the reservoir out of the unit. Empty NOTE: If the ice maker spray assembly re- the reservoir, and then reinstall it. quires further cleaning, perform the following Dilute approximately 5 oz.
  • Page 51 Remove the two end caps from the spray Dilute approximately 5 oz. (148 ml) of ® assembly. LIME-A-WAY cleaner with 1 gallon (3.8 lit.) of water. End Caps Clean the caps and spray assembly. If the spray nozzles are clogged, use a wire to remove the clog, or use a suitable wire brush.
  • Page 52 — NOTES —...
  • Page 53 — NOTES —...
  • Page 54 — NOTES —...
  • Page 55: Product Specifications

    WARRANTY INFORMATION SOURCES IN THE UNITED STATES: FOR PRODUCT SPECIFICATIONS AND WARRANTY INFORMATION CALL: FOR WHIRLPOOL PRODUCTS: 1-800-253-1301 FOR KITCHENAID PRODUCTS: 1-800-422-1230 FOR ROPER PRODUCTS: 1-800-447-6737 FOR TECHNICAL ASSISTANCE WHILE AT THE CUSTOMER’S HOME CALL: THE TECHNICAL ASSISTANCE LINE: 1-800-253-2870...

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