Kohler C3-225 User manual

Installation Guide
C3-225 Toliet Seat with Bidet Functionality
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1103349-X2-C ©2012 Kohler Co.
K-4736X

1103349-X2-C 2 Kohler Co.
Important Information
IMPORTANT NOTICE TO INSTALLERS!: Please leave these instructions for
the consumer. They contain important information.
In addition to installation procedures, this manual contains important care and
cleaning. Please retain for future reference.
NOTE: Some installation parts might not be provided.
NOTE: The product pictured in the installation steps may dier from the model
being installed.
Before You Begin
WARNING: Risk of electric shock, re, or personal injury.
This product must be ground. Connect to a dedicated 220-240 VAC,
50/60 Hz, 16 A circuit protected by Ground-Fault Circuit-Interrupter
(GFCI) or Earth-Leakage Circuit-Breaker (ELCB).
WARNING: Risk of electric shock, product damage. Do not immerse
or ush the product with water.
CAUTION: Risk of product damage. Do not plug in the seat until all
other installation steps have been completed.
Thank You for Choosing Kohler Company
Thank you for choosing Kohler. Kohler crasmanship 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.

Kohler Co. 3 1103349-X2-C
Before You Begin (Cont.)
¨ Observe all local plumbing and building codes.
¨ All information in these instructions is base on the latest product information
available at the time of publication. Kohler Co. reserves the right to make
changes at any time without notice.
¨ Do not use an extension cord with the product.
¨ Connect to a cold water supply with a pressure of 0.7-7.4 Bar (0.07-0.74MPa)
¨ Connect only to a cold water supply line carrying direct tap water.
¨ Unplug the seat and drain the seat if functions of the seat will not be operated
for an extended period of time.
Tools and Materials
Adjustable
Wrench
Blade Screw driver Masonry Drill Screw driver
CAUTION: Risk of product damage. Do not install this seat in a location
where water might be splashed on the product.
CAUTION: Risk of product damage. Do not install this seat in a location
exposed to excessive moisture where condensation might form on the
product surface. Please ensure sucient ventilation in your surroundings
to prevent possible damage to electronic components.
CAUTION: Risk of product damage. Pushing or pulling on the water
connection may cause water leakage.
CAUTION: Risk of product damage. Do not apply excessive force to
the spray wands. Product may break.
CAUTION: Risk of product damage. Take care to face right in position
to the thread while connecting seat inlet pipe, otherwise, the inlet pipe
thread may wear o and lead to water leakage.

1103349-X2-C 4 Kohler Co.
1. Match Toilet roughing-in requirement and Installation tips
2. Install an Electrical outlet
1 Distance between installation holes: 136-140 mm
2 Distance between instalaltion holes and tank front rim: > 20 mm
3 Distance between instalaltion holes and bowl inner rim: < 70 mm
4 Distance between installation holes and tank top rim: 460-490 mm
5 Bowl inner diameter: 370-390 mm
6 Reserve place around 1 meter away from the toilet before installation.
1
2
3
4
5
WARNING: Risk of electric shock, re, or personal injury.
This product must be ground. Connect to a dedicated 220-240 V, 50/60 Hz,
16A circuit protected by Ground-Fault Circuit-Interrupter(GFCI) or
Earth-Leakage Circuit-Breaker (ELCB).
¨ It is recommended to use water-resistant socket. Do not use an extension
cord with the product.
NOTE: Follow local codes when determining the electrical outlet location.
¨ Route the electrical and install to a 220-240V GFCI-or ELCB-protected
receptacle.
3. Preparation
¨ Remove the existing toilet seat. Turn o the water supply to the toilet.
¨ Flush the toilet to relieve any pressure from the water supply hoses.
¨ Position a container under the ll valve to catch any excess water.
¨ Disconnect the water supply hose from the toilet ll valve.
¨ Ensure that there are no obstracles within 25 cm in front of the toilet.

Kohler Co. 5 1103349-X2-C
4. Install the Mounting plate
¨ Position the mounting plate over the toilet mounting holes.
¨ Slide a washer onto each of the bolts.
NOTE: Some toilets come with threaded inserts pre-installed in the mounting
holes. For toilets with threaded inserts, the nut is not required.
For Toilets with Threaded Inserts (Fig 1):
¨ Insert a bolt through the mounting plate and position the washers so they rest
in the grooves of the mounting plates. Please pay aention to washer direction.
¨ Loosely thread the bolts into inserts. Do not overtighten for future adjustment.
For All Other Installation (Fig 2):
¨ Position the mounting plate over the toilet mounting holes.
¨ Slide a washer onto each of the bolts. Please pay aention to washer direction.
¨ Insert a bolt through the mounting plate and the toilet mounting holes.
¨ Position the washers so they rest in the grooves of mounting plate.
¨ Thread a nut onto each of the bolts. Handtighten the nut.
Face the folding part of
washer downwards
Mounting Plate
Face the other folding part of
washer upwards to
prevent screws form
rotating
Nut
Fig 1
Fig 2

1103349-X2-C 6 Kohler Co.
Mounting
Plate
5. Install the Seat
¨ Align the slot on the mounting plate with the groove located below the
toilet seat. Slide the seat onto the mounting plate until you feel is snap into
place.
NOTE: The mounting plate may need to be adjusted to properly align the seat.
For Toilets with Threaded Inserts:
¨ To adjust the seat position, remove the seat (see Homeowners Guide) and
reposition the mounting plate needed.
¨ Reinstall the seat. Repeat the adjustment procedure as needed until seat is
properly aligned.
¨ Once the seat is positioned as desired, remove the seat and securely tighten
down the mounting plate.
¨ Reinstall the seat.
For All Other Installation:
¨ No need to remove the seat for seat position adjustment, as shown in
Fig 2. Adjust the position seat and mounting plate only by loosening nuts
and tightening nuts when they are adjusted to properly align the seat.

Kohler Co. 7 1103349-X2-C
6. Connect the Water Supply
T-Valve
Supply Stop Hose
¨ Connect the T-valve directly to the toilet ll valve or shut o valve as per
appropriate.
NOTE: For new G 1/2 hose, take note to ush out dirt and debris from the
inner side of the hose for several seconds before connecting to the T-valve.
¨ Connect the T-valve to the toilet seat with the supplied hose.
¨ Connect the water supply to the T-valve.
¨ Turn on the water supply.
¨ Check all connections for leaks and make any adjustment as needed.
CAUTION: Risk of product damage. Take care to face right in position
to the inlet pipe thread and seat thread. Take care not to crossthreaded or
overtighten connections. Hand tighten plus one-quater turn is sucient
for tightening.
CAUTION: Risk of product damage. Be careful not to scratch the product
surfaces.

1103349-X2-C 8 Kohler Co.
7. Installation of Remote Control Holder
＞
6 m m
Installation Step:
45 mm Expansion
Tube Remote Holder
Double-Sided
Tape
Expansion
Screw
Screw cover
Remote
Control
¨ Choose a mounting location for the remote holder that is easily accessible
while siing on the seat.
¨ Drill two holes with depth larger than 45 mm on the wall by drill with a
diameter of 6 mm in accordance with the position of screw holes on the
remote control holder. Installing the expansion tube into the holes.
¨ Place the installation holder on the xing hole.
¨ Peel o the release paper of double-sided tape at the back of holder.
¨ Fix the holder with screws and install it.
¨ Install the screw covers on the screws.
¨ Place the remote controller on the holder.
NOTE: If the wall for installation is made
of special material (such as wood board,
density board and etc.), suitable xing
methods shall be adopted.

Kohler Co. 9 1103349-X2-C
1
2
3
4
Flushing
actuator
Sealed floating
ball
Bump
Sealed floating
ball
Stainless steel
Rotary table
Flushing
actuator
S-hook
Metal chain
Tank cover
8. Installation of Flushing Actuator
¨ Remove the tank cover.
¨ Place ushing actuator above the sealed oating ball in the tank.
NOTE: When installing the ushing actuator, you can adjust
the position of stainless steel so as to t the tank cover properly.
¨ Connect the salient point of the rotary table on “ushing
actuator” and the hang clasper on the “sealed oating ball”
with “metal chain”.
NOTE:
1. Buckling and hanging points on the “sealed oating ball” shall be near to the
oating ball.
2. Twining on the primary manually liing and pulling metal strip is not
allowed.
3. When installing the metal chain, you need to adjust the length of the chain
tailored to tank mechanism (Adjust S-hook to the proper position in the
chain, ensuring the chain is fully stretched and locked straight by S-hook).
¨ Rotate the auto ush dial manually. Ensure the dial can li up the sealing
oat completed in the rotation to achieve best ushing eect.
¨ Press key to double conrm the ushing mechanism works smoothly.
¨ Cover the tank cover properly.

1103349-X2-C 10 Kohler Co.
9. Installation Checkout
Supply Stop
Clip
¨ Wrap the toilet seat with plastic wrap to prevent from spraying from the
toilet during testing.
¨ Plug in the power cord and press the power buon.
¨ Verify the auto cover turning and ushing functions
(refer to the homeowner’s guide).
¨ Place one piece of dampened cloth or wet tissue in the seat inductive area to
imitate the status of seat taking. Verify the function of ushing (refer to the
homeowner’s guide).
¨ Make sure to take away the cloth or tissue in the seat inductiue area aer
normality conrmation.