KitchenAid KUIA18NNJ, KUIA15NLH, KUIA18PNL, KUIA15RRL, KUIA15PLL Models with Internal Drain Pumps

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MODELS WITH INTERNAL DRAIN PUMPS

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 first plugged in, the drain pump will run for 20 seconds. The power can be disconnected and reconnected to verify that the pump is operating properly.

Water from the ice maker reservoir, or melting ice from the bin, drains down the bin drain tube

Pump Inlet

Full Contacts

 

Overfill Contact

 

 

 

 

 

 

Vent Outlet

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Contacts Sense Continuity

Through The Water

Screen

Washer

into the pump inlet, and then into the drain pump chamber. As the water level rises, it bridges the “full” contacts, and the pump starts to run. The pump discharges the water through the outlet and the check valve. When the “full” connection is removed, the pump runs for an additional 12 seconds to empty the tank.

If the water level in the drain pump continues to rise, due to a slow or blocked drain, or a blocked vent hose, and touches the “overfill” contact, power will be turned off to the drain pump’s 120 VAC outlet, causing the ice maker to turn off.

White

 

Black

 

Green

Pump Outlet &

Check Valve

 

Connector Hose

(Contains Screen Washer)

3-7

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Contents 18″ Automatic ICE Makers Goals and Objectives ForwardTable of Contents Wiring Diagram & Strip Circuits General Safety FirstElectrical Power Supply & Grounding Requirements Electrostatic Discharge ESD Sensitive Electronics Serial Number Model NumberYear of Introduction Model & Serial Number Location Model & Serial Number Label LocationSpecifications Kitchenaid ICE Maker Warranty Page Recommended Grounding Method Installation InformationElectrical Supply Requirements Water Supply and Drain Connections Connecting the Water LineGravity Drain System Connecting the DrainDrain Pump System On Some Models Refrigeration System Theory of OperationOperating Systems Water System Electrical System Refrigeration System Operational CyclesICE Making Cycle Electrical SystemHarvest Cycle Diagnostics / Clean CycleNEW ICE Maker Control Board #6100499 Models with Internal Drain Pumps Page Component Locations Component AccessTo remove the cutter grid To remove the bin thermistorOn the next To remove the evaporator thermistorTo remove the water distributor To remove the electronic control board Removing the Electronic Control Housing ComponentsTo remove the cutter grid transformer Removing the Water Recirculation Pump Removing the Condenser FAN Motor Disconnect Tubing Internal Drain Pump Nut Marking On Fan Removing the Evaporator Screw Water Trough Remove the Permagum from the liner channel Reassembly Notes Removing the Water Inlet Valve To remove the hot gas valve Removing the HOT GAS Valve & SolenoidRemoving the Condenser Removing the Compressor Pull the two clips off the rear studs of the compressor Removing the Internal Drain Pump Only on Some Models To remove the door gasket Removing the ICE Maker Door & Gasket18″ Models Bottom Door Cap Screws Door Hinge Hinge Pin Channel Support Reassembly Notes Page BIN Thermistor Component TestingCutter Grid Transformer Cutter GridCondenser FAN Motor Water Recirculation PumpHOT GAS Valve Solenoid Water Inlet Valve SolenoidTo test the compressor windings COMPRESSOR, Overload PROTECTOR, & RelayTo test the relay Pushbutton Switch Assembly Page Effect on ICE Maker Diagnosis & TroubleshootingWater and ITS Effect on Making ICE Effect on ICE QualityProblem Probable Cause Test Procedure-Action Troubleshooting ChartWill not make ice Defective bin thermistor Overview Diagnostic Flow Chart for ICE Maker Control Board #6100499Flush Mode 5 minutes Idle Mode Page Unit leaves Freeze Mode Warmer Ambients Page Reservoir must be drained prior to restarting the unit Page Wiring Diagram Wiring Diagram & Strip CircuitsStrip Circuits ICE Making ModeHarvest Mode Last 47 Minutes of DIAGNOSTICS/CLEAN Mode First 25 Seconds of DIAGNOSTICS/CLEAN ModePage Tech Tips Cleaning the ICE MakerCleaning Evaporator Plate Cleaning Solution On Pad Thick Thin Adjusting the ICE ThicknessPage Product Specifications Warranty Information Sources
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KUIS185J, KUIA15NRH, KUIS18NNJ, KUIA18PNL, KUIA15NLH specifications

KitchenAid has long been synonymous with quality in the realm of kitchen appliances, and its line of undercounter ice makers, specifically the models KUIA18NNJ, KUIV18NNM, KUIS18PNJ, KUIA18PNL, and KUIS18NNJ, exemplifies the brand's commitment to innovation and functionality. These ice makers are designed to deliver a reliable supply of ice without taking up valuable space in your kitchen.

The KUIA18NNJ and KUIV18NNM models both showcase a sleek stainless steel exterior which not only adds a modern aesthetic to any kitchen but also ensures durability. These models come equipped with advanced insulation technology that helps keep the ice frozen for extended periods, even during power outages. One key feature is their ability to produce clear, restaurant-quality ice, making them perfect for entertaining guests or simply enjoying a cold beverage at home.

The KUIS18PNJ and KUIA18PNL models, available in panel-ready finishes, allow homeowners to customize the look of the appliances to match their cabinetry. This versatility in design ensures that these ice makers seamlessly blend into any kitchen decor, offering both functionality and style. Each unit has a robust production capacity, capable of producing up to 50 pounds of ice per day, which ensures that you will never run out during those summertime gatherings.

In terms of technology, these ice makers are equipped with easy-to-use digital controls that allow users to monitor ice production and adjust settings with minimal effort. Additionally, the efficient cooling system not only conserves energy but also helps to maintain lower operating costs.

Moreover, the KUIS18NNJ model features a built-in water filtration system that enhances the quality of the ice produced by filtering out impurities, ensuring that every cube is clear and refreshing.

With quiet operation and low vibrations, these ice makers are perfect for any living environment, making them a great addition to any home. Whether hosting parties or simply enjoying a quiet evening, KitchenAid's undercounter ice makers offer a perfect blend of practicality, style, and advanced technology to meet the modern consumer's needs.
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