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KAR-14
TECHNICAL EDUCATION
15″ & 18″ AUTOMATIC
ICE MAKERS
KUIS185J,
KUIS155H,
KUIA15NRH, KUIA15NLH, KUIA18NNJ, KUIA18PNL,
KUIS18NNJ, KUIS18PNJ,
KUIA15RRL, KUIA15PLL,
KUIS15NRH, KUIS15PRH KUIV18NNM
JOB AID 4317339
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FORWARD This KitchenAid Job Aid “15″ & 18″ Automatic Ice Makers” (Part No. 4317339), provides the technician with information on the installation, operation, and service of the 15″ & 18″ Automatic Ice Makers. 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,” or “Tech Sheet” provided with the ice maker. The Wiring Diagrams and Strip Circuits used in this Job Aid are typical and should be used for tr
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TABLE OF CONTENTS Page GENERAL............................................................................................................................... 1-1 Safety First......................................................................................................................... 1-1 KitchenAid Model & Serial Number Designations—Models Prior To 2003........................ 1-3 KitchenAid Model & Serial Number Designations—Models Starting With 2003 ................ 1-4 Model & Seri
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Page DIAGNOSIS & TROUBLESHOOTING ................................................................................... 6-1 Water And Its Effect On Making Ice................................................................................... 6-1 Troubleshooting Chart ....................................................................................................... 6-2 Diagnostic Flow Chart For Ice Maker Control Board #6100499 ........................................ 6-5 WIRING DIAGRAM & STRIP
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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. All safety messages will follow the safety alert symbol and either the word “DANGER” or “WARNING.” These words mean: You can be killed or seriously injured if you don’t DANGER immediately fo
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IMPORTANT WARNING 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. screw. • Use an antistatic wrist strap. Connect the Failure to do so can result in death or wrist strap to the green ground connec- electrica
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KITCHENAID MODEL & SERIAL NUMBER DESIGNATIONS MODELS PRIOR TO 2003 MODEL NUMBER MODEL NUMBER K UI S 15 5 H LS 0 INTERNATIONAL SALES IND. OR MARKETING CHANNEL IF PRESENT PRODUCT GROUP K = KITCHENAID PRODUCT IDENTIFICATION UI = UNDERCOUNTER ICE MAKER MERCHANDISING SCHEME A = ARCHITECT S = STANDARD CAPACITY / SIZE / SERIES / CONFIGURATION 15 = 15" WIDE 18 = 18" WIDE FEATURES 5 = 50 POUNDS YEAR OF INTRODUCTION H = 1999 COLOR CODE BL = BLACK; BT = BISCUIT; BS = BLA
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KITCHENAID MODEL & SERIAL NUMBER DESIGNATIONS MODELS STARTING WITH 2003 MODEL NUMBER MODEL NUMBER K UI S 15 NR H S 0 INTERNATIONAL SALES IND. OR MARKETING CHANNEL IF PRESENT PRODUCT GROUP K = KITCHENAID PRODUCT IDENTIFICATION UI = UNDERCOUNTER ICE MAKER MERCHANDISING SCHEME A = ARCHITECT S = STANDARD V = SIGNATURE SERIES CAPACITY / SIZE / SERIES / CONFIGURATION 15 = 15" WIDE 18 = 18" WIDE FEATURES PR = PUMP, RIGHT HAND DOOR SWING PL = PUMP, LEFT HAND DOOR SWIN
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MODEL & SERIAL NUMBER LABEL LOCATION The Model/Serial Number label location is shown below. Model & Serial Number Location 1-5
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SPECIFICATIONS AC Power Supply ........................................................... 97 to 127 VAC (rated 115VAC), 60 Hz Amperage.......................................................................................................... 3.6 Amps (max) Minimum Circuit Capacity ............................................................................................ 15 Amps Ice Production per 24 hours (Approximate) ...........................................................................
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KITCHENAID ICE MAKER WARRANTY 1-7
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— NOTES — 1-8
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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. Use a receptacle which cannot be turned off by a switch or pull chain. Electrical Shock Hazard Recommended Grounding Method Plug into a grounded 3 prong outlet. For personal safety,
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WATER SUPPLY AND DRAIN CONNECTIONS 8. Use 1/4″ (6.35 mm) O.D. copper tubing for CONNECTING THE WATER LINE the cold water supply and: 1. Turn off the main water supply. a)Measure from the connection at the 2. Turn on the nearest faucet and allow it to back of the ice maker to the cold water run long enough to clear line of water. pipe. 3. Find a 1/2″ (12.70 mm) to 1-1/4″ (3.18 cm) b)Add an extra 36″ (91.4 cm) to ensure vertical cold water pipe near the ice maker. that you have the proper length.
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11. Thread the nut onto the coupling at the CONNECTING THE DRAIN end of the copper tubing. Tighten the nut Gravity Drain System by hand. Then tighten it with a wrench two Connect the ice maker drain so that it is in more turns. Do not overtighten. accordance with all state and local codes and ordinances. If the ice maker is provided with a gravity drain system, use the following guide- lines when installing the drain lines. This will prevent water from flowing back into the ice maker storage bin
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After ensuring that the drain system is ad- Drain Pump System (On Some Models) equate, use the following steps to properly Connect the drain pump hose (provided with place the ice maker: the product) to the drain in accordance with all 1. Plug in the ice maker or reconnect power. state and local codes and ordinances. 2. Recheck the ice maker and make sure NOTE: If the drain hose becomes twisted and that it is level. water cannot drain, the ice maker will not oper- ate. 3. Push the ice maker into
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THEORY OF OPERATION OPERATING SYSTEMS There are three operating systems in the ice There are two very important additions to the maker: refrigeration system in the ice maker: the Hot Gas Valve, and the Condenser Accumulator • Refrigeration System Tube. The components operate as follows: • Water System • Electrical System • Hot Gas Valve - Allows high pressure refrigerant gas to bypass the condenser REFRIGERATION SYSTEM and flow through the condenser accu- The refrigeration system in the ice make
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A water softener, or polyphosphate feeder, will WATER SYSTEM not cure all of the problems associated with The water system provides: hard water, but they can be used to reduce • Fresh water for ice production scale buildup in the ice maker. NOTE: Some • Water recirculation as ice is produced polyphosphate feeders will cause a slime buildup in the water system when the water The water system also flushes away minerals supply has a low mineral content. and contaminates, circulates cleaning soluti
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ELECTRICAL SYSTEM The ice maker’s electrical system provides power for the refrigeration and water systems, and controls the operational cycling. 3-3
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OPERATIONAL CYCLES There are three main operational cycles for the During the Ice Making cycle, some of the hot ice maker (more detailed operation is found in gas that is in the condenser accumulating tube, the flow chart on page 6-5): condenses to a liquid, and remains in the accumulating tube. • Ice Making • Harvest During the later stages of the Ice Making cycle, • Diagnostics/Clean as the ice slab forms on the evaporator freez- ing plate, some of the refrigerant passing ICE MAKING CYCLE thro
