KitchenAid Kitchen Aid KAR-19 Manuale utente

TECHNICAL EDUCATION

JOB AID 4317408

KAR-19

2007 DESIGN

15q& 18qAUTOMATIC

ICE MAKERS

KUIA15NRH*11

KUIA15PRL*11

KUIA15NLH*11

KUIA15PLL*11

* Denotes Color Designation

KUIA18NNJ*11

KUIA18PNL*11

Intoductory Models

- ii -

WHIRLPOOLCORPORATIONassumesnoresponsibilityforanyrepairsmade

on our products by anyone other than In-Home Service Professionals.

FORWARD

This KitchenAid Job Aid “2007 Design 15" & 18" Automatic Ice Makers” (Part No. 4317408),

provides the In-Home Service Professional with information on the installation, operation, and

serviceof the2007 Design15" &18"AutomaticIce Makers.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 Diagram and Strip Circuits used in this Job Aid are typical and should be used for

training purposes only.Always use the Wiring Diagram supplied with the product when servicing

the ice maker.

GOALS AND OBJECTIVES

The goal of this Job Aid is to provide detailed information that will enable the In-Home Service

Professional to properly diagnose malfunctions and repair the KitchenAid 2007 Design 15" & 18"

Automatic Ice Makers.

The objectives of this Job Aid are to:

• Understand and follow proper safety precautions.

• Successfully troubleshoot and diagnose malfunctions.

• Successfully perform necessary repairs.

• Successfully return the ice maker to its proper operational status.

- iii -

TABLE OF CONTENTS Page

GENERAL .............................................................................................................................. 1-1

Ice Maker Safety................................................................................................................ 1-1

KitchenAid Model & Serial Number Designations.............................................................. 1-2

Model & Serial Number Label Location.............................................................................. 1-3

Speciﬁcations..................................................................................................................... 1-4

INSTALLATION INFORMATION ............................................................................................ 2-1

Electrical Supply Requirements......................................................................................... 2-1

Water Supply And Drain Connections................................................................................ 2-2

THEORY OF OPERATION .................................................................................................... 3-1

Operating Systems............................................................................................................. 3-1

Operational Modes............................................................................................................. 3-5

Models With Internal Drain Pumps..................................................................................... 3-8

COMPONENT ACCESS ........................................................................................................ 4-1

Component Locations........................................................................................................ 4-1

Removing The Bin Thermistor, Cutter Grid, Evaporator Thermistor,

& Water Distributor......................................................................................................... 4-2

Removing The Electronic Control Housing Components................................................... 4-5

Removing The Water Recirculation Pump......................................................................... 4-7

Removing The Reservoir Drain Pump & Water Level Sensor............................................ 4-8

Removing The Condenser Fan Motor................................................................................ 4-9

Removing The Evaporator............................................................................................... 4-12

Removing The Measured Fill Water Valve....................................................................... 4-16

Removing The Hot Gas Valve & Solenoid ....................................................................... 4-17

Removing The Condenser............................................................................................... 4-18

Removing The Compressor............................................................................................. 4-19

Removing The Internal Drain Pump................................................................................. 4-21

Removing The Ice Maker Door & Gasket (15" Models)................................................... 4-22

Removing The Ice Maker Door & Gasket (18" Models)................................................... 4-23

COMPONENT TESTING ........................................................................................................ 5-1

Bin Thermistor.................................................................................................................... 5-1

Evaporator Thermistor ....................................................................................................... 5-1

Cutter Grid.......................................................................................................................... 5-2

Dual Transformer ............................................................................................................... 5-2

Water Recirculation Pump ................................................................................................. 5-3

Reservoir Drain Pump........................................................................................................ 5-3

Water Level Sensor............................................................................................................ 5-4

Condenser Fan Motor........................................................................................................ 5-4

Measured Fill Water Valve ................................................................................................ 5-5

Hot Gas Valve Solenoid..................................................................................................... 5-5

Compressor, Overload Protector, & Relay......................................................................... 5-6

- iv -

DIAGNOSTICS & TROUBLESHOOTING ............................................................................. 6-1

Water And Its Effect On Making Ice ................................................................................... 6-1

Troubleshooting Chart........................................................................................................ 6-2

Diagnostic Flow Chart For Ice Maker Control Board ......................................................... 6-5

WIRING DIAGRAM & STRIP CIRCUITS ............................................................................... 7-1

Wiring Diagram .................................................................................................................. 7-1

Strip Circuits....................................................................................................................... 7-2

TECH TIPS ............................................................................................................................. 8-1

Cleaning The Ice Maker..................................................................................................... 8-1

Cleaning The Evaporator Plate....................................................................................... 8-1

Page

1-1

GENERAL

ICE MAKER SAFETY

Your safety and the safety of others are very important.

We have provided many important safety messages in this manual and on the appliance.

Always read and obey all safety messages.

This is the safety alert symbol.

This symbol alerts you to potential 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:

All safety messages will tell you what the potential hazard is, tell you how to reduce the chance

of injury, and tell you what can happen if the instructions are not followed.

You can be killed or seriously injured if you don’t

immediately follow instructions.

You can be killed or seriously injured if you don’t

follow instructions.

WARNING

DANGER

1-2

KITCHENAID MODEL & SERIAL NUMBER DESIGNATIONS

MODEL NUMBER

SERIAL NUMBER

MODEL NUMBER K UI A 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 C = CULINARY & ARCHITECT II

S = STANDARD O = OUTDOOR

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 SWING

PN = PUMP, NON-REVERSIBLE DOOR SWING

NR = NON-PUMP, RIGHT HAND DOOR SWING

NL = NON-PUMP, LEFT HAND DOOR SWING

NN = NON-PUMP, NON-REVERSIBLE DOOR SWING

YEAR OF INTRODUCTION

H = 1999, J = 2000, K = 2001, L = 2002, S = 2006, T = 2007

COLOR CODE

B = BLACK, W = WHITE, S = STAINLESS

T = BISCUIT, M = METEORITE

ENGINEERING CHANGE (NUMERIC)

SERIAL NUMBER E T 04 54321

DIVISION RESPONSIBILITY

E = EVANSVILLE, IN

YEAR OF PRODUCTION

T = 2006, U = 2007

WEEK OF PRODUCTION

04 = 4th WEEK

PRODUCT SEQUENCE NUMBER

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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15Amps

Ice Production per 24 hours (Approximate)

SPECIFICATIONS

Ice Shape . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3/4" x 3/4" Square

Ice Thickness @ Normal Setting (Approximate) . . . . . . . . . . . . . . . . . . . . . . . . .0.32" (8.1 mm)

Ice Thickness @ Thin Setting (Approximate) . . . . . . . . . . . . . . . . . . . . . . . . . . .0.28" (7.0 mm)

Ice Thickness @ Thick Setting (Approximate). . . . . . . . . . . . . . . . . . . . . . . . . . 0.39" (9.9 mm)

15 Inch Storage Capacity (Approximate). . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25 lbs. (11.3 kg)

18 Inch Storage Capacity (Approximate). . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35 lbs. (15.9 kg)

Exterior Dimensions (W x D x H). . . 15" or 18" x 24" x 34" (381 or 457.2 x 609.6 x 863.6 mm)

Exterior Finish . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Stainless Steel or Painted Steel

Net Weight. . . . . . . . . . . . . . . . . . . . . . . . . . 15" = 94 lbs. (42.6 kg) 18" = 123 lbs. (55.8 kg)

Cube Thickness Control . . . . . . . . . . . . . . . . . . . Water Level Sensor & Control Board Setting

Harvest Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Thermistor under Evaporator

Bin Ice Level Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Thermistor on side of Bin

Refrigerant. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . R134a

Ambient Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55 to 100⋅F

Water Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 to 120 psig

Water Consumption (Dependent On Water Pressure) . . . . . . . . . . 6 to 10 gallons per 4 hours

Water Temperature

60⋅F (15⋅C)

70⋅°F (21°C) 46 lbs (21 kg)

80⋅°F (27°C) 47 lbs (21 kg)

90⋅°F (32°C) 40 lbs (18 kg)

100⋅°F (38°C) 40 lbs (18 kg)

110⋅°F (43°C) 38 lbs (17 kg)

Ambient Temperature

2-1

Before you move the ice maker into its ﬁnal

location, it is important to make sure you have

the proper electrical connection:

• A115Volt,60Hz,AConly15-or20-ampelectri-

calsupply,properlygroundedinaccordance

with the National Electrical Code and local

codes and ordinances, is required.

• It is recommended that a separate circuit,

servingonlytheicemaker,beprovided.Use

a receptacle which cannot be turned off by

a switch or pull chain.

INSTALLATION INFORMATION

ELECTRICAL SUPPLY REQUIREMENTS

Electrical Shock Hazard

Plug into a grounded 3 prong outlet.

Do not remove ground prong.

Do not use an adapter.

Do not use an extension cord.

Failure to follow these instructions can

result in death, ﬁre, or electrical shock.

IMPORTANT: If this product is connected to

a GFCI (Ground Fault Circuit Interrupter) pro-

tected outlet, nuisance tripping of the power

supply may occur, resulting in the loss of cool-

ing. Ice quality may be affected. If nuisance

tripping has occurred, and if the condition of

the ice appears poor, dispose of it.

Recommended Grounding Method

For personal safety, this appliance must be

grounded. This appliance is equipped with a

powersupplycordhavinga3-pronggrounding

plug. To minimize possible shock hazard, the

cord must be plugged into a mating, 3- prong,

grounding-type wall receptacle, grounded in

accordance with the National Electrical Code

and local codes and ordinances. If a mating

wall receptacle is not available, it is the per-

sonal responsibility of the customer to have

a properly grounded, 3-prong wall receptacle

installed by a qualiﬁed electrician.

WARNING

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 the copper tubing are

cut square.

c)Slip a compression sleeve and com-

pressionnutovertheendsofthecopper

tubing.

d)Insert the end of tubing into the water

shutoff outlet as far as it will go, and

screw the compression nut onto the

outlet. Tighten the compression nut

with an adjustable wrench, but do not

overtighten it.

9. Placethefreeendofthecoppertubinginto

a container or sink, and turn on the main

water supply. Flush the tubing until water

is clear, and then turn off the shutoff valve

onthewaterpipe.NOTE:Alwaysdrainthe

waterlinebeforemakingtheﬁnalconnec-

tion to the inlet of the water valve to avoid

a possible water valve malfunction.

10. Bend the copper tubing to meet the water

line inlet, located on the back of the ice

maker cabinet, as shown below.

CONNECTING THE WATER LINE

1. Turn off the main water supply.

2. Turn on the nearest faucet and allow it to

run long enough to clear line of water.

3. Find a 1/2"(12.70 mm) to 1-1/4" (3.18

cm) vertical cold water pipe near the ice

maker.

NOTE: A horizontal pipe will work, but drill on

the top side of the pipe, not the bottom. This

will keep water away from the drill motor, and

also keeps normal sediment from collecting in

the valve.

4. Using a grounded drill, a 1/4" (6.35 mm)

hole in the cold water pipe you have se-

lected.

5. Fasten a shutoff valve to the cold water

pipewithapipeclamp.Makesurethatthe

outlet end is ﬁrmly in the 1/4" (6.35 mm)

drilled hole, and that the washer is under

the pipe clamp.

IMPORTANT: Do not use a piercing-type, or

a 3/16" (4.76 mm) saddle-type valve. These

can reduce water ﬂow and easily become

clogged.

6. Tighten the packing nut.

7. Tighten the pipe clamp screws carefully

and evenly so that the washer makes a

watertight seal. Do not overtighten the

pipe clamp. If the water line is soft copper

tubing, you could crush it.

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