Maytag MDB7749AWW2, MDBH979AWW4, MDBH979AWS4, MDBH979AWB4, MDB8959AWW6 Installation Guide

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INSTALLATIONINSTRUCTIONS

UNDERCOUNTER DISHWASHER

STAINLESSSTEELGIANT TUBMODELS

INSTRUCTIONSD'INSTALLATION

LAVE-VAISSELLESOUS PLAN DE TRAVAIL

MODELES GEANTS DE CUVE D'ACIER INOXYDABLE

Table of Contents ................................... 2

Table des matieres .................................. 23

W10284980A

Table of Contents

Dishwasher Safety ................................. 2

Installation Requirements ........................... 3

Tools and Parts ................................... 3

Location Requirements ............................ 4

Drain Requirements ............................... 6

Water Supply Requirements ........................ 6

Electrical Requirements ............................ 6

Installation Instructions ............................. 7

Prepare Cabinet Opening--Existing Utilities ........... 7

Prepare Cabinet Opening--New Utilities .............. 7

Prepare and Route Water Line ...................... 8

Install Drain Hose ................................ 9

Install Moisture Barrier (on some models) ........... 10

Prepare Dishwasher ............................. 11

Installation Instructions (cont.)

Make Power Cord Electrical Connection ............. 12

Determine Cabinet Opening ....................... 13

Install the Door Handle (on some models) ........... 14

Choose Attachment Option ........................ 14

Move Dishwasher into Cabinet Opening ............. 15

Connect to Water Supply ......................... 17

Connect to Drain ................................ 18

Make Direct Wire Electrical Connection .............. 18

Secure Dishwasher in Cabinet Opening ............. 20

Complete Installation ............................. 21

Check Operation ................................. 22

If Dishwasher Does Not Operate ................... 22

Additional Tips .................................. 22

DISHWASHERSAFETY

Your safety and the safety of others are very important.

We have provided many important safety messages in this manual and on your 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:

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.

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 Need to:

• Slowly open dishwasher door while someone grasps the rear of the dishwasher. Remove shipping materials, drain

hose and lower rack. Close dishwasher door until latched.

• Observe all governing codes and ordinances.

• Install this dishwasher as specified in these instructions.

• Installation should be performed by a qualified service

Tip Over Hazard

Do not use dishwasher until completely installed.

Do not push down on open door. Doing so can result in serious injury or cuts.

technician. The dishwasher must be installed to meet all

electrical and plumbing national and local codes and ordinances.

INSTALLATIONREQUIREMENTS

Tools and Parts

Gather the recommended tools and parts before starting installation. Read and follow the instructions provided with any tools listed here.

All Installations Tools needed:

Pi ors Fiat-blade _._

screwdriver

Phillips screwdriver

sAs"and 1/4" _) UL listed or CSA nut drivers or _ approved twist-on _

hex sockets _ wire connectors* _

10" adjustable wrench _ Y8 open-end

that opens to _//'_ wrench _/_

11/8"(2.9 cm)

_Must be the proper size to connect your household

wiring to 16-gauge wiring in dishwasher

Small level

Other parts you may also need:

1 V2'!--2" _ I Masking

Sc[ew_type

,3811 s.0ore) ,

clamps!3max)j

NOTE: Parts available for purchase in plumbing supply stores.

Check local codes. Check existing electrical supply. See

"Electrical Requirements" section. It is recommended that

electrical connections be made by a licensed electrical installer.

In addition, for first-time installations

Tools needed:

Parts needed:

_Coppe[ tubing (3/8" see"Electrical Requirements,, Section

O.D suggested) 0r , z i

flexible braide,4 t-or Direct Wire: For Power Supply

: at'erSu_"-I ;'ine I use UL listed or Cord: useUL

vv _p y I

[_t_.,_ _j_j)_) I fit % (2.2 cm) Part Number4317824

\_ hole marked for use

CSA approved hsted power

I strain relief to supplyc0rd kit

With dishwaSher

OtFh::_ is_::l items _nee_at h rowe

Parts su )lied:

2-Drain hose clamps

(1 large and ! sma!l)

ar Green

Make sure all these parts are included in the literature package.

Parts needed:

--_ ====

%,'Compr x¾, Hose Fitting Fo[ part or kit; see local retailer or call Whirlpool

Parts: 1,800,442,9991, Part

Additional parts supplied with certain models only:

[ BottOm SOund pad doeated I Moisture barrier tape [in lower rack) [ J

Make sure all these parts are included in the package containing literature.

Location Requirements

Grounded electrical supply required. Do not run drain lines, water lines or electrical wiring where

they can interfere with or contact dishwasher motor or legs. The location where the dishwasher will be installed must

provide clearance between motor and flooring. Motor should not touch the floor.

Do not install dishwasher over carpeted flooring. Avoid damage from freezing to the dishwasher and water

lines leading to the dishwasher. Damage from freezing is not covered by the warranty.

A side panel kit is available from your dealer for installing your dishwasher at the end of your cabinetry.

A moisture barrier accessory (Part Number 4396277) is available from your dealer for installing underneath the countertop. Call 1-8OO-688-99OO to order.

Check location where dishwasher will be installed. The location must provide:

• easy access to water, electricity and drain.

• convenient access for loading and unloading dishes. Corner locations require a 2" (5.1 cm) minimum

clearance between the side of the dishwasher door

and the wall or cabinet.

• square opening for proper operation and appearance.

• cabinet front perpendicular to floor.

• level floor. (If floor at front of opening is not level with floor at rear of opening, shims may be needed to level

dishwasher.)

Helpful "13p:Be sure to accurately measure dimensions and ensure dishwasher is level if the floor in the

dishwasher opening is uneven (example: Flooring extends only partway into opening).

NOTE: To avoid shifting during dishwasher operation,

shims must be securely attached to the floor.

If dishwasher will be left unused for a period of time or in a location where it may be subject to freezing, have it

winterized by authorized service personnel.

Make sure pipes, wires and drain hose are within the

shaded area shown in the "Product and Cabinet Opening Dimensions" section.

Product and Cabinet Opening Dimensions

_lnsulation may be compressed

(not used on all models)

NOTE: Shaded areas of cabinet walls show where utility connections may be installed.

*Measured from the lowest point on the

underside of countertop. May be reduced to

33% (86 cm) by removing wheels from

dishwasher.

**Minimum, measured from narrowest point of /"

opening.

Check that all surfaces have no protrusions [hat would prohibit dishwasher installation.

1,6

Drain Requirements

Electrical Requirements

• A new drain hose is supplied with your dishwasher. If drain hose is not long enough, use a new drain hose with a maximum length of 12' (3.7 m) (Part Number

3385556) that meets all current AHAM/IAPMO test standards, is resistant to heat and detergent, and fits the 1" (2.5 cm) drain connector of the dishwasher.

• Make sure to connect drain hose to waste tee or disposer inlet above drain trap in house plumbing and 20" (50.8 cm) minimum above the floor. It is recommended

that the drain hose either be looped up and securely

fastened to the underside of the counter, or be connected

to an air gap.

Be sure that the electrical connection and wire size are

adequate and in conformance with the National Electrical Code, ANSI/NFPA 70 - latest edition and all local codes and

ordinances. A copy of the above code standards can be obtained from:

National Fire Protection Association

One Batterymarch Park Quincy, MA 02269

You must have:

• 120-volt, 60 Hz, AC-only, 15 or 20 amp, fused electrical supply.

• copper wire only.

We recommend:

• a time-delay fuse or circuit breaker.

• a separate circuit.

If connecting dishwasher

with a power supply cord:

• Use UL listed power supply cord kit (Part No. 4317824)

marked for use with dishwasher.

• Power supply cord must plug into

a grounded 3 prong outlet, located in

the cabinet next to the dishwasher

opening. Outlet must meet all local

codes and ordinances.

• Make sure to use an air gap if the drain hose is connected to house plumbing lower than 20" (50.8 cm) above

subfloor or floor.

• Use 1/2"minimum I.D. drain line fittings.

• If required, the air gap should be installed in accordance with the air gap installation instructions. When you are connecting the air gap a rubber hose (not provided) will

be needed to connect to the waste tee or disposer inlet.

Water Supply Requirements

• A hot water line with 20-120 psi (138-862 kPa) water

pressure can be verified by a licensed plumber.

• 120°F (49°C) water at dishwasher.

• 3/8"O.D. copper tubing with compression fitting or

flexible braided water supply line (Part Number 4396897RP)

NOTE:1/2"minimum plastic tubing is not recommended.

• A 90° elbow with 3/8"N.RT. external pipe threads on one

end.

• Do not solder within 6" (15.2 cm) from water inlet valve.

If connecting dishwasher with direct wiring:

• Use flexible, armored or nonmetallic

sheathed, copper wire with grounding wire that meets the wiring requirements for your home and

local codes and ordinances.

• Use a UL listed or CSA approved strain relief.

INSTALLATIONINSTRUCTIONS

"a,

Electrical Shock Hazard

Disconnect electrical power at the fuse box or circuit breaker box before installing dishwasher.

Failure to do so can result in death or electrical shock.

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Prepare Cabinet Opening--Existing Utilities

1l_!J Disco n nect p owe r

I Disc0nne_t electrical power at the fuSe box or circuit i ! breaker box before installing dishwasher, J

Yes _F0!low instructions in the '!Prepare Cabinet

Opening_Existing Utilities!' secti0nl

NO _F011ow instruCti0ns in the i,Prepare Cabinet ....

Opening_New Utilities" secti0ni

If the water line and the cable extend to the locations shown, proceed to the "Install Drain Hose" section. If they

do not reach far enough, follow the instructions in the "Prepare Cabinet Opening--New Utilities" section.

Prepare Cabinet Opening--New Utilities

Prepare and route the electrical supply

Option A, Power Supply Cord:

NOTE: A grounded 3 prong outlet is required inside a

cabinet next to the dishwasher cabinet opening.

Drill a 11/2"(3.8 cm) hole in cabinet side or rear. See product and cabinet opening dimensions.

Woodcabinet:Sandtheholeuntilsmooth.

Metalcabinet:Coverholewithgrommetincludedwith powersupplycordkit.

Option B, Direct Wire:

Helpful Tip: Wiring the dishwasher will be easier if you

route the cable into the cabinet opening from the right-hand

side.

Route cable from power supply through cabinet hole (cable

must extend to the right front side of cabinet opening). Tape cable to the floor in area shown. This will prohibit cable from moving when dishwasher is moved into cabinet opening.

Prepare and Route Water Line

Helpful Tip: Routing the water line through the left side

of cabinet opening will make water connection easier.

Direct Wire -- Drill hole

Optionallocation

Drill a 3/4"(1.9 cm) hole in right-hand cabinet side or rear. See product and cabinet opening dimensions.

Drill hole

Preferred locations

Drill a V2"(1.3 cm) hole in the cabinet side or rear.

Wood cabinet: Sand the hole until smooth.

Metal cabinet: Cover hole with grommet (Part Number

302797 - not provided).

Measure overall length of copper tubing or flexible braided water supply line. Attach to the hot water line using a connection configuration that is in compliance

with local codes and ordinances. The water line to the

dishwasher should have a manual shutoff valve.

Slowlyroutewatersupplylinethroughholeincabinet. (Ifusingcoppertubing,itwillbendandkinkeasily,sobe

gentle.)Itshouldbefarenoughintothecabinetopening

toconnectittothedishwasherinletonthefrontleft

sideofthedishwasher.

-:J water supply line L

Connect the 3/8"compression fitting to the water supply line prior to installing the unit into the cabinet opening. Attach such that the 3/4"connection is facing upward as

shown below. Copper tubing only: Put the tubing into the 90° elbow

fitting as far as it will go (the copper tubing bends and kinks easily). Slide the nut and ferrule forward and start

the nut onto the elbow threads.

Flexible braided connection: Secure nut to elbow using %" open ended wrench or adjustable wrench. NOTE: Do not use Teflon _ tape with compression fittings.

Install Drain Hose

IMPORTANT: Always use a new drain hose. Check local

codes to determine if an air gap is required.

Slowlyturnwatershutoffvalveto "ON"position.Flush waterintoashallowpanuntilcleartogetridofparticles

thatcouldclogtheinletvalve.Turnshutoffvalveto

"OFF")osition.

Coppertubingonly:Slidenut,thenferrule, about1"(2.5cm)ontocoppertubing. NOTE:Toavoidvibrationduringoperation,routethe

watersupplylinesothatitdoesnottouchthe

dishwasherbase,frameormotor.

®TEFLON is a registered trademark of E.I. Du Pont De Nemours and Company.

If needed, drill a 11/2'' (3.8 cm) diameter hole in cabinet wall or side of the opening closest to the sink.

Route drain hose as shown through hole in cabinet to the front center of opening where drain connection will be

made. Tape drain hose to the floor in area shown. This will

prohibit it from moving when dishwasher is moved into cabinet opening.

using one of the f0!!owing options:

, Qpti0n A; Waste disposer-n0 air gap ' Option B, No Waste disposer- no air gap

' Option C,Waste disposer with air gap

,Option D, No waste disposer ; with air gap

IMPORTANT: The drain hose connection of the disposer or a waste tee must be made before the drain trap and at

least 20" (50.8 cm) above the floor where the dishwasher

will be installed. Helpful "lip: To reduce vibration of the hose, keep the hose

away from the floor. Option A, Waste disposer - no air gap

Dial

1. Using a hammer and screwdriver, knock plug into disposer.

2. Use needle-nose pliers to remove plug.

3. Attach drain hose to disposer inlet

with large silver drain hose clamp

(provided). Use pliers to squeeze

clamp open and move into position.

Option C, Waste disposer - with air gap

1. Using a hammer and screwdriver, knock plug into disposer.

2. Use needle-nose pliers to remove plug.

3. Connect black end of drain hose to air gap and cut if needed. (Do not cut

ribbed section.)

Attach drain hose to air gap with large silver drain hose clamp (provided).

Use pliers to squeeze clamp open and move into position. If the drain hose

was cut, use a 1W' to 2" (3.8 to 5 cm) screw-type clamp (not provided).

Use a rubber hose (not provided) with screw-type clamps (not provided) to

connect from air gap to disposer inlet.

Option D, No waste disposer - with air gap

Drain trap

Option B, No waste disposer - no air gap

1.Connect black end of of drain hose to waste tee and cut if needed. (Do not cut ribbed section.)

2. Attach black end of drain hose to waste tee with a large silver drain hose clamp

(provided). Use pliers to squeeze clamp open and move into position. If the drain

hose was cut, use a 1W' to 2" (3.8 to

5 cm) screw-type clamp (not provided).

1_ Black end

Connect black end of drain hose to air gap and cut if needed. (Do not cut

ribbed section.)

Attach drain hose to air gap with large silver drain hose clamp (provided).

Use pliers to squeeze clamp open and move into position. If the drain hose

was cut, use a 1_ '' to 2" (3.8 to 5 cm) screw-type clamp (not provided).

Use a rubber hose (not provided) with screw-type clamps (not provided) to connect from waste tee to air gap.

Install moisture barrier (on some models)

Moisture

barrier

1. Make sure the area under the cabinet is clean and dry for installation of the moisture barrier.

2. Remove the backing of the moisture barrier and apply to underside of the countertop along the front edge of

the counter.

Helpful "lip: Place cardboard under dishwasher until installed

in cabinet opening to avoid damaging floor covering. Do not use door panel as a worktable without first covering with a

towel to avoid scratching the door panel.

Using two or more people, grasp sides of dishwasher door

frame and place dishwasher on its back.

Using a 1/4"hex head socket, nut driver or Phillips screwdriver, remove two screws attaching access panel and lower panel to dishwasher. Do not remove tech sheet from access panel.

Prepare Dishwasher

Tip Over Hazard

Do not use dishwasher until completely installed. Do not push down on open door.

Doing so can result in serious injury or cuts.

Excessive Weight Hazard

Use two or more people to move and install dishwasher.

Failure to do so can result in back or other injury.

Using a 1/4"hex head socket, nut driver or Phillips

screwdriver, remove terminal box cover. Retain for

later use.

InstallaULlistedorCSAapprovedstrainrelief.Makesure screwheadsarefacingtotheleftwhentighteningconduit nut.Thestrainreliefmaybeprovidedwiththepower supplycordkit.

Electrical Shock Hazard

Electrically ground dishwasher.

Connect ground wire to green ground connector

in terminal box. Do not use an extension cord.

Failure to follow these instructions can result in

death, fire, or electrical shock.

" . - Follow Option A instructions

• PowerSupplyCord:

Direct Wire:

_ Follow Option B instructions

Make Power Supply Cord Connection

Option A, Power Supply Cord:

Remove the green grounding screw and place through the ring terminal of the green ground wire. Reattach and tighten the green screw.

Route cord so that it does not touch dishwasher motor

to lower part of dishwasher tub. Pull cord through strain

relief in terminal bow. Take notice when installing or removing the dishwasher in order to reduce the chance

of damaging the power supply cord.

Select UL listed or CSA approved twist-on wire connectors

(included with power supply cord kit) rated to connect

your household wiring to 16-gauge dishwasher wiring. 12

NOTE: Do not pre-twist stranded wire. Twist on wire connector. Gently tug on wires to be sure both are

secured.

Connect wires black to black and white to white, using

UL listed or CSA approved twist-on wire connectors

(included with power supply cord kit).

Ifneeded,seewebsiteforanimatedrepresentationof thisstep.Visitwww.maytag.comunderFAQtab.

Determine Cabinet Opening

Measure height of cabinet opening from underside of countertop to floor where dishwasher will be installed (you will need to measure the lowest point on the underside of the countertop and the highest point on the floor). Refer to "Dishwasher Height Adjustment Chart" for wheel position and the number of turns needed.

Cabinet Wheel Number of turns

opening height position' on front leg

337/8'i (86.0 cm)I remo ve A!! the way up

, I

34 (86:4 cm) ! 1 . 10

I I

Tightenstrainreliefscrewstosecurecord.

Placewiresinsideterminalbox.Inserttabsonleftside ofcover.Makesurewiresaretuckedinsidebox.Close coverensuringwiresarenotpinched.Use1/4"nutdriver

andpreviouslyremovedscrewtosecurecover.

34V4 (87 cm) . 2 ! 5

NOTE: If the minimum cabinet opening height is less than 34"(86.4 cm), the rear wheels can be removed for

additional clearance. This will allow the dishwasher to fit into a 33 7/8"(86 cm) high cabinet opening, but the

dishwasher will be more difficult to move. (Measurements are approximate. Wheels and legs are preset at the factory for 341/2'' [87.6 cm].)

wheel

Turn both leveler legs to the same height. Put wheels in the required position determined from "Dishwasher

Height Adjustment Chart."

)

NOTE:Donotplugintooutletuntilinstructedtodoso.

Choose Attachment Option

Excessive Weight Hazard

Use two or more people to move and install dishwasher.

Failure to do so can result in back or other injury.

Using 2 or more people, stand the dishwasher up.

Option 1, Countertop attachment:

Built-upfloors(Kitchenfloorheightishigherthan

cabinetopening.)Example:Kitchenfloortiledoesnot

extendintocabinetopening.Addshimsasneededinthe areashowntobringthedishwasherupto34"(86.4cm) belowthecountertop.

NOTE:Shimsmustbesecurelyattachedtofloortoavoid movementwhenthedishwasherisinuse.

InstalltheDoor Handle (on some models)

Mounting

stud

Countertop attachment

brackets

IMPORTANT: The dishwasher must be secured to the

cabinet. There are two brackets on top of the dishwasher that can be attached to the countertop if it is wood,

laminate or other similar surfaces. If your countertop is marble, granite or other hard surface, the brackets may

be moved to the sides of the dishwasher.

NOTE: Do not attach the dishwasher. This will be done later.

Option 2, Dishwasher side attachment:

Setscrew (inside + j ++

door handle standoff)+++ _Allen wrench .........

j Ha nd le :

.............................

IMPORTANT: Do not scratch the front panel during this procedure.

Remove the door handle and hardware bag containing

the setscrews and Allen wrench from the cardboard box.

Start setscrews in handle. Place handle on mounting studs with the setscrews facing down. Push the door handle tightly against the door. Insert the short end of the Allen wrench into the setscrews. Tighten the setscrews 1/4turn past snug.

To remove the brackets from the top, flatten tab at back

of brackets with pliers, and pull the brackets out of the slots.

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