Whirlpool KUIA15NLH*11 - Manual

1-3 MODEL & SERIAL NUMBER LABEL LOCATION The Model/Serial Number label location is shown below. Model & Serial Number Location

1-4 AC Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .97 to 127 VAC (rated 115VAC), 60 Hz Amperage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.5 Amps (max) Minimum Circuit Capacity . . . . . . . . . . . . . . . ...

2-1 Before you move the ice maker into its fi nal location, it is important to make sure you have the proper electrical connection: • A 115 Volt, 60 Hz, AC only 15- or 20- amp electri- cal supply, properly grounded in accordance with the National Electrical Code and local codes and ordinances, is re...

2-2 WATER SUPPLY AND DRAIN CONNECTIONS 8. Use 1/4" (6.35 mm) O.D. copper tubing for the cold water supply and: a) Measure from the connection at the back of the ice maker to the cold water pipe. b) Add an extra 36" (91.4 cm) to ensure that you have the proper length. Make sure both ends of t...

2-3 11. Thread the nut onto the coupling at the end of the copper tubing. Tighten the nut by hand. Then tighten it with a wrench two more turns. Do not overtighten. CONNECTING THE DRAIN Gravity Drain System Connect the ice maker drain to your drain in accordance with all state and local codes and or...

2-4 Drain Pump System (On Some Models) Connect the ice maker drain to your drain in accordance with the International Plumbing Code and any local codes and ordinances. NOTE : If the drain hose becomes twisted and water cannot drain, the ice maker will not oper-ate. Connecting the Drain After ensurin...

3-1 THEORY OF OPERATION OPERATING SYSTEMS There are three operating systems in the ice maker: • Refrigeration System • Water System• Electrical System REFRIGERATION SYSTEM The refrigeration system in the ice maker is very similar to the system used in other refrig-eration appliances. The refrigerant...

3-2 WATER SYSTEM The water system provides: • Fresh water for ice production• Water recirculation as ice is produced• Water removal after ice is produced The water system circulates water to freeze into ice on the evaporator during the freeze cycle. During the harvest cycle, it drains away minerals ...

3-3 Water Distributor Evaporator Water Recirculation Pump Reservoir Pan Water Level Sensor Reservoir Drain Pump Water Return Tube Water Valve Outlet Tube Measured Fill Water Inlet Valve From Water Supply Bin Drain Manual Drain Drain Over fl ow WATER SYSTEM COMPONENT LOCATIONS

3-4 ELECTRICAL SYSTEM The ice maker’s electrical system provides power for the refrigeration and water systems, and controls the operation of each component.

3-5 OPERATIONAL MODES There are four main operational modes for the ice maker (more detailed operation is found in the fl ow chart on page 6-5): • Freeze• Harvest• Clean• Service (Diagnostics) ICE MAKING CYCLE In addition, there are three possible “Off” cycles for the ice maker. They occur when: 1. ...

3-6 HARVEST MODE Electrical System When the water level in the reservoir drops below the water level sensor it signals the electronic control to terminate power to the condenser fan, and then the water recirculating pump. The reservoir drain pump is activated to fully drain the reservoir. Power is t...

3-7 ERROR DISPLAYS These errors will occur at any time during normal operation if a thermistor fails. 2 Blinks — Service Light is blinking twice in repeating intervals – This signifi es a bin thermistor failure. Check that the bin thermistor is plugged in to the control box. Check that the bin therm...

3-8 The power cord on the internal drain pump is connected to a 120 VAC wall outlet. The ice maker is then connected to the 120 VAC outlet on the drain pump. If the drain pump fails, or if the drain becomes blocked, power is shut off to the 120 VAC outlet on the drain pump. When the unit is fi rst p...

4-1 COMPONENT LOCATIONS This section instructs you on how to service each component inside the 2007 Design 15” & 18” Automatic Ice Makers. The components and their locations are shown below. COMPONENT ACCESS Push-button Switch Electronic Control Board Light Switch Dual Transformer Evaporator NOT...

4-3 8. To remove the evaporator thermistor: a) Remove the cutter grid from the unit (see step 7 on page 4-2 for the proce-dure). b) Disconnect the evaporator thermistor connector from the bottom of the control housing. c) Remove the two hex-head mounting screws from the water trough and pull the tro...

4-4 9. To remove the water distributor: a) Remove the cutter grid from the unit (see step 7 on page 4-2 for the proce-dure). b) Pull out on the left and right water dis- tributor retainers, and remove the tabs from the slots in the evaporator. Pull the distributor forward and remove the water hose. ...

4-7 Spacer Bracket (Left Side) 18 ˝ Models REMOVING THE WATER RECIRCULATION PUMP 1. Unplug ice maker or disconnect power. 2. Open the ice maker door. 3. Remove the ice from the storage bin. 4. Unscrew the drain cap from the reser- voir, drain the water, and replace the cap tightly. 5. Place a cloth ...

4-8 Drain Cap REMOVING THE RESERVOIR DRAIN PUMP & WATER LEVEL SENSOR 1. Unplug ice maker or disconnect power. 2. Open the ice maker door. 3. Unscrew the drain cap from the reser- voir, drain the water, and replace the cap tightly. 4. Remove the recirculating pump cover hex- head screw. 5. To rem...

4-9 REMOVING THE CONDENSER FAN MOTOR 1. Unplug ice maker or disconnect power. 2. Open the ice maker door. 3. Remove the ice from the storage bin. 4. Disconnect the water and drain lines from the ice maker and remove the unit from its installation. 5. Remove the four hex-head screws from the front pa...

4-12 1. Unplug ice maker or disconnect power. 2. Open the ice maker door. 3. Remove the ice from the storage bin. 4. Remove the cutter grid and the evaporator thermistor from the unit (see pages 4-2 and 4-3 for the procedures). 5. Disconnect the bin thermistor connector from the bottom of the contro...

4-15 REASSEMBLY NOTES: • When installing the new evaporator, use a generous amount of thermal heat trap paste between the hot gas valve, and the evapora-tor tubing joint to protect the hot gas valve when brazing. • Be sure to reinstall the Permagum in the liner channel of the cabinet around the wire...

4-16 REMOVING THE MEASURED FILL WATER VALVE 1. Unplug ice maker or disconnect power. 2. Turn water supply off to ice maker. 3. Open the ice maker door. 4. Remove the four hex-head screws from the front panel and remove the panel. 5. Remove the two hex-head screws from the measured fi ll water valve ...

4-17 REMOVING THE HOT GAS VALVE & SOLENOID 1. Unplug ice maker or disconnect power. 2. Tip the front of the cabinet back and prop it up (see steps 2 through 11 on pages 4-9 and 4-10 for the procedure). 3. To remove the hot gas valve solenoid (see the photo at the top of the next column): a) Disc...

4-18 REMOVING THE CONDENSER 1. Unplug ice maker or disconnect power. 2. Tip the front of the cabinet back and prop it up (see steps 2 through 11 on pages 4-9 and 4-10 for the procedure). 3. Remove the four condenser fan motor screws from the fan motor shroud and pull the motor assembly back away fro...

4-19 REMOVING THE COMPRESSOR 1. Unplug ice maker or disconnect power. 2. Open the ice maker door. 3. Remove the ice from the storage bin. 4. Disconnect the water and drain lines from the ice maker and remove the unit from its installation. 5. At the rear of the unit, remove the four screws from the ...

4-21 REMOVING THE INTERNAL DRAIN PUMP 1. Unplug ice maker or disconnect power. 2. Remove the ice from the storage bin. 3. Disconnect the water and drain lines from the ice maker and remove the unit from its installation. 4. At the rear of the unit, remove the four screws from the unit compartment co...

4-22 REMOVING THE ICE MAKER DOOR & GASKET (15˝ MODELS) 2. To remove the door gasket: a) Open the ice maker door.b) Pull the gasket out of the door track. NOTE: Be sure to check the new gasket for a proper seal after you install it. Top Door Screw 1. To remove the door, remove the top door screw ...

5-1 COMPONENT TESTING Before testing any of the components, perform the following checks: • Control failure can be the result of corrosion on connectors. Therefore, disconnecting and reconnecting wires will be necessary throughout test procedures. • All tests/checks should be made with a VOM or DVM ...

5-4 Refer to page 4-8 for the procedure for access-ing the condenser fan motor. 1. Run the diagnostic tests (see page 3-7) and check for the proper operation of the condenser fan motor in step 7. NOTE: During operation, 120 volts will be present at the condenser fan motor electrical connector. CONDE...

5-6 4. To test the relay: a) Position the relay with the coil facing down, as shown below. b) Insert the tip on one of the ohmmeter test leads into the Run (M) pin socket, and touch the other ohmmeter lead to the spade terminal. The meter should indicate a closed circuit (0 ohms). c) Move the tip of...

6-1 DIAGNOSTICS & TROUBLESHOOTING WATER AND ITS EFFECT ON MAKING ICE Quality ice is defi ned as solid, clear, and free of taste or odor. All ice makers can provide this type of ice only if the water used to produce the ice is pure, and free of mineral contamination. The following charts show som...

6-2 TROUBLESHOOTING CHART P r o ble m P r o ba ble C a u s e T e s t P r o c e d u r e -A c ti o n N o powe r a t wa ll outle t C he c k c irc uit bre a ke r/fus e s N o powe r a t auxilary dra in pump powe r outle t C he c k for kinke d dra in hos e , bloc ke d s c re e n or bloc ke d ve nt outle t...

6-5 DIAGNOSTIC FLOW CHARTS FOR ICE MAKER CONTROL BOARD OVERVIEW

7-1 WIRING DIAGRAM & STRIP CIRCUITS WIRING DIAGRAM MEASUREDFILL WATERVALVE

7-2 STRIP CIRCUITS FLUSH MODE ICE MAKING MODE Bk W h W ater Valve Electronic Control Bk Rd Bu Rd/Bk GY W ater Recirculation Pump W h Bu/Yl Rd/Bk Transformer Bk W h W ater Valve ElectronicSmart Valve Electronic Smart Valve Reservoir Drain Pump Bk Rd Bu Rd/Bk GY Wh Bk Or Wh Transformer Rd Wh Overload ...

8-1 TECH TIPS CLEANING THE ICE MAKER 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. NOTES: • KitchenAid recommends cleaning the ice maker at least once a year. More frequent cleaning ...

PRODUCT SPECIFICATIONS AND WARRANTY INFORMATION SOURCES IN THE UNITED STATES: FOR PRODUCT SPECIFICATIONS AND WARANTY INFORMATION CALL: FOR TECHNICAL ASSISTANCE WHILE AT THE CUSTOMER’S HOME CALL: THE TECHNICAL ASSISTANCE LINE: 1-800-832-7174 HAVE YOUR STORE NUMBER READY TO IDENTIFY YOU AS AN AUTHORIZ...