Kohler K-5401X User manual

Installation Guide
Integrated Toilet
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1226975-X2-B
English page 1-16

©2015 Kohler Co.
K-5401X

1226975-X2-B 2 Kohler Co.
Important Information
CONSUMER RESPONSIBILITIES
If you live in a hard water area, make certain that the holes in the toilet rim are kept clean to ensure proper
bowl ushing. Toilet bowl cleaners should be used at least once a week. Use a long-handled brush to clean the
rim holes, and to clean as far into the trap as possible to prevent mineral deposits from forming.
Most toilet bowl cleaners are not harmful to the vitreous chin or the surface of the toilet bowl. Please follow
the bowl cleaner manufacturer's instructions carefully.
Do not use abrasive cleaners or solvents.
WARNING: Risk of property or product damage. Kohler Company shall not be responsible or liable
for any damage to these ings caused by the use of cleaners containing chlorine (calcium hypochlorite).
CAUTION: Risk of product damage. Improper use of the grounding plug can result in a risk of electric
shock.
Do not use the product in the water below 1 C.
NOTE: Refer to "Homeowner's Guide" for the cleaning and maintenance of bidet seat.
NOTE: Flush the water supply pipes thoroughly to remove debris. Product is designed for tap water or potable
water.
Thank You for Choosing Kohler Company
Thank you for choosing Kohler. Kohler craftsmanship oers you a rare combination of proven performance
and graceful sophistication that will satisfy you for years to come. The dependability and beauty of your Kohler
product will surpass your highest expectations. We’re very proud of our products here at Kohler and we know
you will be too.
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. Our phone numbers and website are listed on
back cover.
All information in this manual is based upon the latest product information available at the time of publication.
At Kohler, we constantly strive to improve the quality of our products. We reserve the right to make changes in
product characteristics, packaging or availability at any time without notice.
Thank you for choosing Kohler Company.
Tools and Materials
Drill with Assorted Bits
Assorted
Screwdrivers
Adjustable Wrench
Plus:
• Protective Material
• Tape
Offset Screwdriver
Knife Pencil Pliers Band Tape
Scissors

Kohler Co. 3 1226975-X2-B
Before You Begin
¨Please read the following instructions carefully and familiarize yourself with the required tools, materials,
and installation sequences. Follow the section that pertain to your particular installation. This will help you
avoid costly mistakes. In addition to proper installation, please also read all operating and safety instructions.
¨ All information in the 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.
¨We appreciate your commitment to Kohler quality. Please take a few minutes to review this manual before
installation. If you encounter any installation or performance problems, please don't hesitate to contact us.
Thanks again for choosing Kohler Company.
¨Pre-arrange enough space for toilet installation. Make sure it will not aect the opening and closing of the
door.
¨Conrm the rough in 305 mm, it need reach to 292~350 mm, otherwise it may aect installation.
¨Conrm the distance the water outlet connector away from the nished wall: upper the surface of
nished wall by 3 mm and lower the surface of nished wall by 5 mm otherwise it may aect installation.
¨Recommend using the main inlet hose at least DN 15 mm to make sure the following request of water supply
conditions.
¨Measure water conditions before buying the product, there are two measure ways as following.
NOTE 1. If combined with other faucets in the bathroom, make sure the water condition meets minimum
requirement.
2. Use the hose and Tee valve of this toilet.
3. Make sure meet the following water supply condition request before installation.
Simple way to measure water volume:
Prepare a bucket. Fully turn on the tee valve. Firstly ush three times and test. Fill the bucket with water into
the bucket for 10 seconds. The minimum water volume is advised to be above 5.7 L.
Product Inlet Hose
Product Tee Valve

1226975-X2-B 4 Kohler Co.
Before You Begin (cont.)
Simple way to measure water volume 2:
Aention: must use dedicated water supply capacity testing device. After the ball valve is opened, rstly ush
three times and test.
The minimum dynamic pressure for the testing device is advised to be above 0.46 Bar. (kgf/cm2) [0.046 Mpa] (6.7 psi).
Pressure Gauge
Ball Valve
Product Inlet Hose
Hose
Product Tee Valve
DANGER: Risk of electric shock. Disconnect power before using.
WARNING: Risk of electric shock. Connect only to circuits protected by Ground-Fault Circuit-
Interrupters (GFCI) or Earth-Leakage Circuit-Breakers (ELCB).
CAUTION: Risk of hazardous gases. If a new toilet is not installed immediately, temporarily place a rag
in the oor ange opening.
WARNING: Risk of electric shock for hardwire installations/through-oor electrical supply. Connect
only to properly-grounded, dedicated 220~240 V, 10A, 50/60 Hz circuit protected by a Class A Ground-Fault
Circuit-Interrupter (GFCI) or Earth- Leakage Circuit- Breaker (ELCB).
WARNING: Risk of electric shock. Must use 10 A receptacle.
NOTICE: Follow all local plumbing and electrical codes.
NOTICE: Receptacles installed in bathrooms to be located at least 1 meter from a bathtub or shower if practical.
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 the inside of the of the junction box cover.

Kohler Co. 5 1226975-X2-B
Measurements
Specications
160
900
438
533
150
250 250
58
150
305
670
Remote control
Finished Wall
Water Outlet Finished Floor
Tee Valve (with Filter)
Inlet Hose
10A Waterproof
Socket
(Grounding Type)
Flushing Volume 3L/4.8L
Minimum Distance from Hole to Wall 305mm
Lowest Supply Condition (Recommend) 1 Bar. (kgf/cm2) [0.1Mpa] (Dynamic Pressure)
Highest Supply Condition 7.4 Bar. (kgf/cm2) [0.74Mpa] (Static Pressure)
Electrical Power 220~240V, 50/60 Hz, 1000 W
Power Cord Length About 1.3 m
Outline Dimension of Product 670 x 438 x 533 mm
Product Weight About 46 kg
Operation Environment 1-40 °C
NOTE: "Homeowner's Guide" for detailed specications of the bidet seat.
Dimensions are approximate.
Unit: mm

1226975-X2-B 6 Kohler Co.
A. Hold the rim of the vitreous shell and take out the toilet.
Overall Sketch
Preparations Before Installation
Crash pad x 4
Seat (Anti-microbial)
Cover (Antibiosis)
Nozzle
Seating sensing area
Press the button to enter Rear Wash mode.
Press it again to turn it off.
Light sensing area
Press Warm wind button to start the warm wind function.
Press it again to turn it off.
Press the button to turn off the power (long tone hint).
Press the button to turn off the night light function
(long tone hint). Press it again to turn on (short tone hint).
Press the button to enter front Wash mode.
Press it again to turn it off.
Press the button for flushing.
Toilet
WARNING: Risk of 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 help if necessary.

Kohler Co. 7 1226975-X2-B
B. Place an 800 x 800 mm cushion on the oor, take out the toilet from the carton then put the
toilet on it.
Installation
A. To Remove Existing Toilet
Turn o the water supply. Flush the toilet, and use a sponge to remove the remaining water from the tank and
bowl. Disconnect the supply shut-o valve (if present), and remove the old tank and bowl.
Remove old gasket from the oor and closet ange with a puy knife. Remove old T-bolts and discard them.
NOTICE: if a new toilet is not installed immediately, temporarily stu a rag in the closet oor ange.
Closet Floor Flange
Preparations Before Installation (cont.)

1226975-X2-B 8 Kohler Co.
B. Roughing-In
Unit: mm
C1. Conrm the drain hole center and mark down the “+” centerline perpendicular to the nished wall.
2. Conrm the toilet drain hole center and mark down the centerline on Front, back , left and right outside of
toilet.
3. Make sure the toilet side mark symbol is align to the drain hole centerline on the nished oor. Mark down
the left and right holes.
DANGER: Risk of electric shock. Disconnect power before servicing.
WARNING: Risk of electric shock. Connect only to circuits protected by Ground-Fault
Circuit-Interrupters (GFCI) or Earth-Leakage Circuit-Breakers (ELCB).
NOTE: Keep bath and shower away from electrical parts (such as remote controller, receptacle, etc.).
When the electrical supply is mounted on the wall, a GFCI or ELCB protected and water proof receptacle is
required.
NOTE: This product is designed to work with wall mounted electrical and water supplies as shown in the
mounting dimensions.
250 ± 10 250 ± 10
200 ± 5
85 ± 5
150 ± 10
305
Hole (Two Sides)
Mark Symbol
305 mm
Installation (cont.)

Kohler Co. 9 1226975-X2-B
D. Drill two holes and insert two anchors and bolts.
3/8
Bolt
(10 mm)
E. Install the Electrical Service and Water Supply.
F. Install the Floor Flange.
Silicone on the opposite side of oor ange. Position the oor ange align the drain hole, and press it onto the
nished oor.
DANGER: Risk of electric shock. Disconnect power before servicing.
DANGER: Risk of electric shock. For plug-in installations/wall-mounted electrical supply: connect only
to a properly-grounded, grounding-type receptacle protected by a Ground-Fault Circuit-Interrupter
(GFCI). Do not remove the grounding pin or use a grounding adapter.
DENGER: Risk of electric shock. For hardwire installations/through-oor electrical supply:
Connect only to a properly-grounded, dedicated 220~240V, 10A, 50Hz/60Hz circuit protected by a Class A
Ground-Fault Circuit-Interrupter (GFCI) or Earth-Leakage Circuit-Breaker (ELCB).
NOTE: This product is designed for installation with the electrical supply aached to the wall. Both types
are illustrated. Refer to the dimensional information for your chosen installation. Follow the dimensional
information exactly when installing the hardwire electrical supply.
Silicone
Installation (cont.)

1226975-X2-B 10 Kohler Co.
G. Remove side plates
Unscrew the nut cap on the tee joint.
H. Fix Wax Ring
Place the wax ring on the waste outlet.
Side Plate
Nut Cap
Installation (cont.)