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� We appreciate your commitment to Kohler quality. Please

take a few minutes to review this manual before you start

installation. If you encounter any installation or

performance problems, please don t hesitate to contact us.

Thanks again for choosing Kohler Company.

'

Please read these instructions carefully to familiarize

yourself with the required tools, materials, and installation

sequences. Follow the sections that pertain to your

particular installation. This will help you avoid costly

mistakes. In addition to proper installation, read all

operating and safety instructions.

All information in these instructions is based upon the

latest product information available at the time of

publication. Kohler China reserves the right to make

changes in product characteristics, packaging, or

availability at any time without notice.

These instructions contain important care, cleaning, and

warranty information -

.

please leave instructions for the

consumer

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-

NOTES

DANGER: Risk of electric shock.

WARNING: Risk of electric shock.

CAUTION: Risk of hazardous gases.

NOTICE: Follow all local plumbing and electrical codes.NOTICE:

WARNING: Risk of electric shock for hardwireinstallations/through-floor electrical supply:

Disconnect powerbefore servicing.

Connect only tocircuits protected by Ground-Fault Circuit-Interrupters(GFCI s) or Earth-Leakage Circuit-Breakers (ELCB s).

If a new toiletis not installed immediately, temporarily place a rag inthe floor flange opening.

Receptacles installed in bathrooms to be located atleast 1 meter from a bathtub or shower if practical, but in nocase less than 500 mm.

Observe all local plumbing and building codes.

Carefully inspect the new toilet for damage.

Water and electrical supplies may be wall mounted.

There is a wiring schematic on inside of the of the junctionbox cover.

Connect only to properly-grounded, dedicated220~240V, 16A, 50Hz circuit protected by a Class AGround-Fault Circuit-Interrupter (GFCI) or Earth-Leakage Circuit-Breaker (ELCB).

' '

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WARNING: Must use 16A receptacle.

ORDERING INFORMATION

Integrated Toilet .........................................................K-4026TIncludes Remote Controller Assy.........................1106433

GFCI ELCB

500

220~240 16 50

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16

K-4026T

........................................................1106433

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

INSTALLATION INSTRUCTIONS

INTEGRATED TOILETK-4026T

-1-, 2010

Copyright Kohler China Ltd., 2010

BEFORE YOU BEGINBEFORE YOU BEGIN

18 E 201206

1144585-T01-A

TOOLS AND MATERIALS REQUIRED (Not

supplied)

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Adjustable Wrench 2

Tape measure

Masking tape

Knife

Supply stop(with filter)

Assorted screwdrivers

Plastic anchor

Screw

T-Bolts

Flange

Expansion Bolt Kits

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2

T

Fig.#11

Unit: mm:

349

424

395

528

670

779

405

155

Front of Bowl

Bottom View

Note:

Plastic Anchor: Recommend use outside dia 10mm.Screw: Recommend using M6 screw to match the plasticanchor.

10mm

M6

OO

Kohler reserves the right to change marked dimensions without prior notice.

-2-

of Outlet305

Finished Wall

Finished Floor

Reference Value

ROUGHING-IN

1144585-T01-A

SPECIFICATIONS

0~40

0~40

Water Supply Pressure

Minimum Distance from Hole to Wall

Flushing Volume

0.7kgf/cm ( ) ~ 7.5 kgf/cm (0.07MPa. ( ) ~ 0.74MPa.)2 2

305mm

305mm

4.8L

4.8L

0.7kgf/cm (Dynamic Pressure) ~ 7.5 kgf/cm(0.07MPa. (Dynamic Pressure) ~ 0.74MPa.)

2 2

Electrical Power

220~240V 50Hz 1800W

220~240V 50Hz 1800W

Power Cord Length

1.5m

About 1.5m

Outline Dimension of Product

670mmX 424mmX 528mm

670mm x 424mm x 528mm

Product Weight

46kg

About 46Kg

Operation Environment

-3-

SIMPLIFIED DIAGRAM OF THE UNITSIMPLIFIED DIAGRAM OF THE UNIT

Note: See "Homeowner's Guide" for detailed specifications of

the bidet seat.

Bumper x 22

Sensor Area

Seat Cover (Antibacterial)( )

Auxiliary Panel

Actuation Switch

Seat (Antibacterial)( )

Seat Sensor Area

Nozzle (Antibacterial)( )

Seat Sensor Area

"Dryer" Key

"Rear" Key

"Front" Key

"Power" Key

Light Sensor

Signal Receiving Area

Fig.#22

1144585-T01-A

Fig.#33

Fig.#44

A. Hold the rim of the vitreous shell and take out the toilet.

Risk of personal injury and product damage!

Please do not hold the rim of the bidet seat

when lifting the toilet. As the toilet is heavy,

please seek for help if necessary.

Warning:

B. When taking out the toilet from the carton box, please pay

special attention to the bottom of the toilet to avoid the

tank assembly to drop out.

A.

B.

-4-

PREPARATIONS BEFORE INSTALLATIONPREPARATIONS BEFORE INSTALLATION

Toilet

Tank Assy.

1144585-T01-A

b. Take out the tank assembly from the vitreous shell and

put it on the floor.

c. Remove the EPE foam from the tank.

b.

c.

d. Remove the gasket and the collar. d.

EPE Foam

C. Take out the tank.

a. Place an 800mm x 600mm cushion on the floor and

then put the whole toilet on it.

Operate with care to avoid scratching the surface

of the vitreous shell.

Note:

C.a. 800mm x 600mm

Actuation Switch

Fig.#5a5a

Fig.#5b5b

Fig.#5c5c

-5-

D. Place every part on the floor and ready for installation. D.

Fig.#66

CollarGasket

1144585-T01-A

-6-

B. Roughing-In

DANGER: Risk of electric shock.

NOTE:

WARNING: Risk of electric shock.

Disconnect power

before servicing.

This product is designed to work with wall mounted

electrical and water supplies. It is shown in the roughing-in.

Connect only to

circuits protected by Ground-Fault Circuit-Interrupters

(GFCI s) or Earth-Leakage Circuit-Breakers (ELCB s).

Keep bath and shower away from electrical parts

(such as remote controller, receptacle, audio input

apparatus and so on).

When the electrical supply is mounted on the wall, a GFCI or

ELCB protected and water proof receptacle is required.

Follow the dimensional information exactly when installing a

hardwire electrical supply.

' '

B.

(GFCI) (ELCB)

(

)

(GFCI)

(ELCB)

Fig.#77

Fig.#88

Remove old gasket from the floor andcloset flange with a putty knife.Remove old T-bolts and discard them.

if a new toilet is not installedimmediately, temporarily stuff a rag inthe closet flange.

NOTICE:

T

Closet Flange

A. To Remove Existing Toilet

Turn off the water supply. Flush the toilet, and use a spongeto remove the remaining water from the tank and bowl.Disconnect the supply shut-off valve (if present), and removethe old tank and bowl.

A.

( )

INSTALLATION

150mm

305mm

70mm

70mm

Supply Stop (with filter)( ) GFCI-Protected 16A Receptacle(water proof)

16

The wall location of the electrical andwater supply are interchangeable.

Floor Flange

T-BoltsT

1144585-T01-A

D. Install the T-Bolts

Install two new 8mm (5/16") diameterT-bolts into the floor flange.

Do not use white cement or high limecontent cements to install this toilet.The expansion of cement due to a risein temperature may make the toiletcrack or cause damage. Kohler is notresponsible for any damage caused byinstallation with the use of cement.

Install the Electrical Service

NOTE: This product is designed for installation with the

electrical supply located through the wall. Both types are

illustrated. Refer to the dimensional information for your

chosen installation.

Follow the dimensional information exactly when installing a

hardwire electrical supply.

Install the Water Service

NOTE:

NOTE:

This product is designed for installation with the water

supply located through the wall. Both types are illustrated.

Refer to the dimensional information for your chosen

installation.

A floor mounted water supply stop must be no higher

than 70mm from the floor.

Install the water supply. If you are installing a floor supply,

study the dimensional information illustrated carefully.

C. Install the Electrical Service and Water

Supply

DANGER: Risk of electric shock.

DANGER: Risk of electrical shock. For plug-in

installations/wall-mounted electrical supply:

DANGER: Risk of electrical shock. For hardwire

installations/through-floor electrical supply:

Disconnect power

before servicing.

Connect only to a properly-grounded, grounding-type

receptacle which is protected by a Ground-Fault

Circuit-Interrupter (GFCI). Do not remove the

grounding pin or use a grounding adapter.

Connect only to a properly-grounded, dedicated

220~240V, 16A, 50Hz circuit protected by a Class A

Ground-Fault Circuit-Interrupter (GFCI) or Earth-

Leakage Circuit-Breaker (ELCB).

D. T

8mm (5/16") T

70mm

C.

/

(GFCI)

220~240 16 50

T-BoltsT

Floor Flange

Fig.#99

-7-1144585-T01-A

F. Position the Tank

Mark the centerline on the floor.

Align the tank over the floor flange.

Lower the tank onto the floor flange. The T-bolts should alignwith the mounting slots in the base of the tank.

Carefully align the tank on the centerline.

Position the tank on the T-bolts.

Do not pushdown on any part of the tank assembly other than thecylinder. Damage may occur.

Do not rock orlift the tank after placement. The seal created by thewax ring may be broken, resulting in leaking.

Position the loose end of the refill tube out the outlet ring.

CAUTION: Risk of product damage.

CAUTION: Risk of product damage.

F.

T

T

Fig.#1111

Tank

Refill Tube

T-BoltsT

Floor Flange

Centerlines

Outlet Ring

Press here on cylinder.

-8-

Fig.#1010

E. Install the Wax Ring

Place the wax ring in the putty ring located on the tank.

E.

1144585-T01-A

-9-

Fig.#1414

G. Secure the Tank

CAUTION: Risk of productdamage.

Note:

Do not overtightenthe mounting nuts. Do notshorten the T-bolts.

Place a washer on each T-bolt.

Thread a nut onto each T-bolt.

Hand tighten the nuts.

In case there is no floor flange,please fix the tank with the expansionbolt kits. Specific installation steps aredecided by the installer.

G.

T

T

T

Fig.#1212

Nut

Washer

T-BoltT

Base ofTank Unit

H. Connect the Water

IMPORTANT! If this installation

replaces an existing toilet, a hose

other than the one shipped with the

water supply may be used. Use a

stainless steel, burst-resistant hose.

Connect the water.

Open the shut-off valve.

H.

Fig.#1313

I. Check the Waterline

NOTE:

IMPORTANT!

The waterline is a notch in the inside of the tank,marked with a label.

Turn on the water supply.

Open the motorized valve by sliding the lever back into theopen position.

Verify the inlet valve is set to the correct waterline. Adjust ifneeded.

To adjust the waterline, use a flathead screwdriver to gentlyturn the adjustment rod counterclockwise to lower andclockwise to raise the waterline setting.

The valve will not operate if the valve is locked.

Return the lever back into the unlocked position.

Stop the shut off value.

I.

Waterline

Adjust waterline

Locked

Unlocked

1144585-T01-A

J. Remove cap on Tee Connector of flexible hose. J.

Fig.#1515

K. Install Gasket and Collar

Place the wiring harness plug, level switch wire, and refilltube on the floor so they extend out the rear access opening.

Tape them to the floor so they will not be pinched ordamaged.

Install the collar onto the tank.

Clip the spray shield into place over the fill valve.

Fix the gasket to the tank and press tight.

K.

Fig.#1616

Wiring Harness Plug(Connected to Bidet Seat)

( )

Refill Tube

Inlet Tube

Level Switch Wire

Wiring Harness Plug(Connected to Pump)

( )

Electrical Plug

Collar

Spray Shield

Tank

-10-

Tape

Tank

Refill Tube

Gasket

1144585-T01-A

-11-

M. Connect the Wiring flexible hose of

bidet seat to Tee Connector

WARNING: Risk of personal injury. Make sure theplug (if plug-in connection is used) and receptacle aredry. If any moisture is present, allow the area to drybefore plugging the unit in.

If plug-in connection is desired, plug the pump in.

Connect the refill tube.

Connect the wiring harness.

Connect the level switch.

Plug the bidet seat in.

M.

(

)

Level Switch

Refill Tube

Wiring Harness (Pump)( )

Wiring Harness (Bidet Seat)( )

Fig.#1818

Flexible Hose of Bidet Seat

Tee ConnectorT

L. Install the Vitreous Shell

WARNING: Risk of personal

injury.

CAUTION: Risk of product

damage.

The vitreous shellweighs 35 kg. Use proper liftingtechnique when handling thevitreous shell.

Do not set the shelldown hard. Gently lift and movethe shell if it is not placedcorrectly. If handled harshly,the shell may chip or break.

Carefully pick up the vitreous shell andplace it over the tank.

Make sure the trapway seats fully inthe outlet gasket. If the vitreous shelldoes not sit evenly on the floor, thetrapway is not properly seated.

Make all adjustments gently until thetrapway is properly seated.

L.

35

Vitreous

Collar

Tank

Fig.#1717

1144585-T01-A

-12-

O. Secure the Vitreous Shell

CAUTION: Risk of product

damage. Do not overtighten thescrews when tightening. Thevitreous shell may chip or breakif the screws are overtightened.

Insert a screw through both grommets.

Insert a screw in both of the providedholes and tighten. Do not overtighten.

Place a cap over each screw. Thecaps should be flush with the exteriorof the shell.

O.

Screw

Cap

Grommet

Fig.#2020

Cut a recess in the access cover using a utility knife at the

spot marked on the access cover.

Place the access cover over the opening in the back of the

toilet.

Caulk around the base of toilet and caulk the access cover to

the vitreous shell.

Fig.#2121

AccessOpening

Caulk Base Of Toilet.

Toilet Back

Cut With Utility Knife.

Access Cover

COMPLETE THE INSTALLATION

N. Check Operation

NOTE:

NOTE:

The flushing mechanism worksbest if it is quickly tapped, not helddown for an extended period of time.

There is an approximate eight-second delay between the flush andthe tank refilling.

Flush the toilet and check for properoperation.

Refer to "Homeowner's Guide" tocheck whether the bidet seat functionswell.

Refer to the troubleshooting chart if thetoilet does not function properly.

N.

Fig.#1919

Push to Flush.

1144585-T01-A

-13-

NOTE:

NOTE:

If the wall for installation is made of special material(such as wood board, density board and etc.), suitable fixingmethods shall be adopted.

The place to install the remote controller shall not beeasily splashed by water.

Choose a mounting location for the remote holder that iseasily accessible while sitting on the seat.

Drilling two holes with depth larger than 45mm on the wall bydrill with a diameter of 6mm in accordance with the position ofscrew holes on the remote control holder. Installing theexpansion tube into the holes.

Placing the installation holder on the fixing hole.

Peeling off the release paper of double-sided tape at the backof holder.

Fixing the holder with screws and install it.

Installing the screw covers on the screws.

Placing the remote controller on the holder.

6mm

45mm

Fig.#2323

Fig.#2222

45mmExpansion Tube

Remote Holder

Double-Sided Tape

Expansion Screw

Screw CoverRemote Controller

INSTALLATION OF REMOTE CONTROLLER HOLDERINSTALLATION OF REMOTE CONTROLLER HOLDER

6m m

Installation Steps:

1144585-T01-A

Confirm that the battery has been correctly installed in the"remote controller".

Confirm that there is no obstacle in front of the product.

Wait for the host to finish the self-checking. During that time,it is normal to hear rotating sound of the motor and bicker.Self-checking completed when the light light flashes.

Press the power key on the auxiliary pand at the side of theseat; confirm that the seat is in the state of power on.(Whenpressing the key, the long sound stands for power off whilethe short one for power on.)

When it is used for the first time, it is in the state of defaultvalue:

( )

4

4

6H

Front Wash:

Water Temperature: mid

Pressure: mid

Position: Level 4

Rear Wash:

Water Temperature: mid

Pressure: mid

Position: Level 4

Seat Temperature: mid

Wind Temperature: mid

Energy Saving Mode: 6H

Presetting: Empty

Function of Auto Lid-Turning: On

Function of Auto Flushing: On

Night Light: On

-14-

PREPARATIONS BEFORE THE FIRST USEPREPARATIONS BEFORE THE FIRST USE

Open theshutoff valve

Fig.#2424

1144585-T01-A

SYMPTOMS PROBABLE CAUSES RECORRECTIVE ACTION

TROUBLESHOOTING

1. The toilet does notflush.

A. Various. A. Perform the troubleshooting steps below.

2. The toilet randomly

flushes 2 Times.

A. The tank is overfilling. A. Immediately perform the troubleshooting steps or

turn the water off. Turn the water back on when

troubleshooting.

3. The toilet flushes 3times, thenoperates normally.

A. The fill valve is not turning off.

B. The motorized valve is not Closing.

A. Repair or replace the fill valve.

B. Repair or replace the motorized valve.

4. The toilet flushes 5

times.

A. The level switch has an intermittent connection.

B. The level switch is stuck in the up position.

C. The level switch is not properly connected.

D. The level switch does not move Freely.

A. Repair of replace the level Switch.

B. Repair or replace the level Switch.

C. Reconnect the level switch Properly.

D. Replace the level switch.

5. The toilet fails toflush.

6. Bidet seat does notfunction.

7. The nozzle has nowater out.

8. No water flow.

9. The water pressureis low.

10. Water stops flowingfrom the spraywand before I amfinished cleansing.

11. No auto opening orclosing for seatcover or seat.

12. Wash, Deodorizer,or Air functionsoperate when youpress the icon whileseat is notoccupied.

A. There is a problem with the Wiring.B. The GFCI or ELCB is tripped.C. There is a problem with the pump connection.D. The actuation switch is not properly connected.E. The level switch is not properly connected.F. The pump assembly does not Work.G. The actuation assembly does not work.

A. A power failure occurred.B. The power cord is disconnected or the plug has

no power.C. Power cord suffers electricity leakage.

Connector plug is not reset.D. The power is not switched on.E. You have not touched the seat sensing area.F. After power off but the prompt sound is not over,

power on again.

A. Seat does not detect user.

B. Water supply stop closed or inlet pipe is bent.C. Water supply screen plugged.

A. The water supply stop is closed.

B. The seat sensor is not detecting the user.

A. The screen is clogged.B. Low supply pressure.

A. Five minute after pressing one of the spray icons,washing automatically stops.

B. The seat sensor is not detecting the user.

A. The user does not enteror depart from theinduction range.

B. "Function of Auto Opening and Closing" hasbeen turned off.

A. The seat sensor is covered by an object or theseat is wet.

A. Check the wiring and connect the power.B. Reset the GFCI or ELCB (if Applicable).C. Check the pump connection.D. Check the actuation switch Connection.E. Check the level switch Connection.F. Replace the pump assembly.G. Replace the actuation assembly.

A. Wait until the power is restored.B. Insert the power cord into an electrical outlet or

check the power plug.C. Press the "Reset" icon on the plug.

D. Press "Power" icon on the side.E. You have to sit inside the seat sensing area.F. After power off and wait for the end of the prompt

sound, then power on.

A. Adjust the sitting position. There should be noobject between your skin and seat, such astrousers.

B. Power off and solve the problem, power on.C. Clean the screen according to the installation

guide.

A. Open the water supply stop.

B. See activating the seat information in the

"Operation" section.

A. See the "Clean the Screen" section.B. Increase the pressure.

A. Press the "Rear" or "Front" icon again.

B. See activating the seat information in the"Operation" section.

A. Please use it correctly referring to "Lid Turning/Seat Turning".

B. Turn this function on referring to "Setting of AutoOpening and Closing Function".

A. Remove any water or object form the seatsensor area.

This troubleshooting guide is for general aid only. A Kohler Authorized Service Representative or qualified electrician shouldcorrect all electrical problems. For warranty service, contact your dealer or wholesale Distributor.

-15-1144585-T01-A

To troubleshoot this toilet you must first:

IMPORTANT!

Unplug the toilet or turn off the power.

If needed, turn on the water supply.

Plug the toilet back in or turn the power back on.

When the power is turned on, the toilet may flush three times and then function correctly.

No action is needed if this happens.

Note the results (how many times the toilet flushes, whether it operates normally).

Consult the chart above. Perform the recommended action.

13. Even though theseat is occupied,the spray functiondoes not work.

14. The hot blowerstops during use.

15. The deodorizingblower featuredoesn't work.

16. The remotecontroller does notdiplay.

17. The remotecontroller does notwork.

18. Flushing function isinvalid.

A. The seat sensor may not be able to detect you

depending on the way you are sitting.

A. Four minutes after pressing the "Air Speed" icon,

blower automatically stops.

A. The seat sensor is not detecting the user.

B. Press "STOP"

A. The battery has been used up.B. The polarity of battery was installed inversely.C. No wake-up.

A. The remote controller is used in an inappropriate

position or angle.

B. Low battery.

C. The sensing window of remoate controller is

sheltered or coved by dirts.

A. The "Auto Flushing Function" has been turnedoff.

B. It will not flush in 60 seconds after havingpressed the key of "Manual Flushing" on remotecontrol.

C. The bidet seat and the toilet are not properlyconnected.

A. Change the way you sit.

A. Press the "AIR TEMP" button again.

A. See activating the seat information in the"Operation" section.

B. Same as above.

A. Please replace the battery.B. Please install the battery correctly.C. Press the wake-up key.

A. Change the using position or angle to make the

sensing window towards the ceiling or the

product's sensing window.

B. Change the battery.

C. Hold the remote controller properly or remove

the shelter.

A. Turn the "Auto Flushing Function" on.

B. Refer to "Toilet Flushing".

C. Check and reconnect.

-16-1144585-T01-A

1. A. A.

2. A. A.

3. A

B

.

.

A.

B.

4. A

B

C

D

.

.

.

.

A

B

C

D

.

.

.

.

5

6.

7.

8.

9.

10.

11./

12.

13.

14.

15.

16.

A

B

C

D

E

F

G

.

.

.

.

.

.

.

A.

B.

C.

D.

E.

F.

A.

B.

C.

A.

B.

A.

B.

A. 5

B.

A.

B.

A.

A.

A. 4

A.

B.

A.B.C.

A

B

C

D

E

F

G

.

.

.

.

.

.

.

A.

B.

C.

D. POWER

E.

F.

A.

B.

C.

A.

B.

A.

B.

A.

B.

A. /

B. /

A.

A.

A.

A.

B.

A.B.C.

-17-1144585-T01-A

17.

18.

A.

B.

C.

A.

B. 60

C.

A.

B.

C.

A.

B.

C.

( )

( )

( )

0 Co

CONSUMER RESPONSIBILITIES

If you live in a hard water area, make certain that the holes inthe toilet rim are kept clean to ensure proper bowl flushing.Toilet bowl cleaners should be used at least once a week.Use a long-handled brush to clean the rim holes, and to cleanas far into the trap as possible to prevent mineral depositsfrom forming.

Most toilet bowl cleaners are not harmful to the vitreous chinasurface of the toilet bowl. Please follow the bowl cleanermanufacturer's instructions carefully.

Do not use abrasive cleaners or solvents.

Do not use in-tank cleaners. Products containingchlorine (calcium hypochlorite) can seriously damagefittings in the tank. This damage can cause leakageand property damage.

Kohler Company shall not be responsible or liable for anydamage to these tank fittings caused by the use of cleanerscontaining chlorine (calcium hypochlorite).

WARNING: Risk of property or product damage.

'CAUTION: Don t use any cement while installing

the toilet.

WARNING: Risk of product damage.

Note:

Heat expansion of the toilet may damagethe feet of the toilet. Kohler will not be responsible forany damage because of using cement.

Do not throw into the toilet what is easy to block it,such as newspaper, paper pilch, sanitary towel.Do not bump the vitreous china with great force toprevent it from damaging and leaking.

Do not use the product in the water below 0 C.

Refer to "Homeowner's Guide" for the cleaning andmaintenance of bidet seat.

o

-18-1144585-T01-A