Kohler K-72218 Assembly instructions

Installation and Care Guide
Electronic Kitchen Faucet
K-72218
1186051-2-D

IMPORTANT INSTRUCTIONS
WARNING: When using electrical products, basic
precautions should always be followed, including the
following:
DANGER: Risk of electric shock. Connect only to a circuit
protected by a Ground-Fault Circuit-Interrupter (GFCI)*.
WARNING: Risk of electric shock. Grounding is required. A
licensed electrician should make all electrical connections.
WARNING: Risk of electric shock. Disconnect power before
servicing.
WARNING: Risk of injury or property damage. Please read
all instructions thoroughly before beginning installation.
CAUTION: Risk of property damage. The faucet spout
contains a magnet. Do not allow items susceptible to
electromagnetic damage to come into close proximity to the
spout.
NOTICE: Follow all plumbing, electrical, and building codes.
*Outside North America, this device may be known as a Residual
Current Device (RCD).
Tools
Important Information
CAUTION: Risk of fresh water contamination. This faucet
contains back-siphonage protection. Do not remove any
internal components.
3/8"
#3 Phillips Screwdriver Bucket
Plus:
• Unswitched Electrical Outlet
Rags
1186051-2-D 2 Kohler Co.

Important Information (cont.)
CAUTION: Risk of product damage. This product contains
sensitive electronic components. Do not store open containers of
chemical or cleaning products near this product. Cleaning rags or
sponges must be rinsed with fresh water before storage.
NOTICE: Do not use a switch-controlled outlet (typically used for
garbage disposals) to provide power to the faucet.
Observe all local plumbing and building codes.
Provide a constant unswitched 120 VAC electrical outlet located
below the sink within 5’ (1.5 m) of the control box.
Shut off the main water supply.
For new installations, assemble the faucet to the sink before
installing the sink.
For uneven mounting surfaces (such as tile grout lines), apply a
suitable sealant under the faucet. Do not use petroleum based
sealant.
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1. Install the Faucet
NOTE: Handle orientation is designed to be on the right.
Thread the screws into the ring 1/4″(6 mm) past the surface.
Insert the faucet through the mounting surface with the handle
on the right.
Pull the sprayhead out and rest it in the sink basin. Do not pull
the end of the spray hose into the shank.
From under the sink, push the spray hose up to the shank.
Slide the washer over the hoses and wires, then up onto the
shank.
Slide the ring over the hoses and wires, then up to the shank.
Thread the ring onto the shank until the washer contacts the
underside of the sink.
Adjust the ring to align the screws with the front and back of the
faucet.
Use a Phillips screwdriver to securely tighten the screws.
Pull the spray hose end down, away from the shank.
Slide the sprayhead back into the spout.
Escutcheon
Washer
Ring
1/4"
(6 mm)
Shank
Spray
Hose
1186051-2-D 4 Kohler Co.

2. Connect the Hoses
CAUTION: Risk of restricted waterflow and product damage.
Supply hoses must not be taut, kinked, or twisted during
installation. If the supply hoses must be coiled, maintain an inside
diameter of 3″(78 mm).
Connect the Supplies
Assemble the outlet hose to the faucet.
Connect and tighten the supply hoses to the supply stops.
Place a bucket under the outlet hose.
Turn on the water supplies.
Flush hot and cold water into a bucket for 1 minute to remove
any debris.
Connect the Spray Hose
NOTICE: The weight must be installed onto the spray hose to act
as a pull stop and prevent kinking damage.
Slide the weight, then the clamp onto the spray hose.
Solenoid
Clamp
Weight
Outlet Hose
Ø 3" (76 mm)
Min
Supply
Hose
Kohler Co. 5 1186051-2-D

Connect the Hoses (cont.)
TIP: Use a pliers to expand the clamp over the hose end.
Attach the spray hose to the outlet fitting on the solenoid. Ensure
the hose is completely engaged into the fitting.
Remove the protective cap.
Attach the outlet hose to the solenoid.
1186051-2-D 6 Kohler Co.

3. Install the Valve
CAUTION: Risk of restricted waterflow. The outlet hose
must not be taut or kinked when installed. Locate the
solenoid valve within 7″(178 mm) to 8″(203 mm) of the
faucet centerline.
Mount the Bracket
NOTE: Locate the solenoid valve within 7″(178 mm) to 8″(203
mm) from the faucet centerline. Allow adequate clearance for
servicing.
NOTE: The mounting bracket should be secured with two suitable
fasteners (not supplied) based on the type and thickness of the
cabinet or wall material.
Fasten the mounting bracket vertically to the cabinet or wall.
Connect the Wires
NOTE: The solenoid can be positioned right or left. Remove the
appropriate tab on the cover.
Cover
Sensor
Power
Cord
Tab
Solenoid
Handle Switch
Bracket
LED
Solenoid
Wire
Apply grease.
Kohler Co. 7 1186051-2-D

Install the Valve (cont.)
Apply grease (provided) to the sensor socket located on the
circuit board inside the cover. This will provide additional
corrosion protection.
Connect the handle switch wire and sensor wire from the faucet
to the circuit board.
Connect the power cord to the circuit board.
Connect the solenoid wire to the circuit board.
Fit the cover over the solenoid.
Plug the power cord into an unswitched 120 VAC outlet. The
LED on the circuit board will illuminate.
Secure the assembly to the mounting bracket with the two screws
provided.
Test activation of the sensor. Refer to the ″Faucet Operation″
section.
1186051-2-D 8 Kohler Co.

4. Complete the Installation
Position the Weight
Position the weight between 2″(51 mm) and 3″(76 mm) from the
cabinet floor.
Secure the clamp around the spray hose just below the weight.
Extend and retract the spray hose to check for smooth operation.
Check for Leaks
Ensure all connections are tight.
Test the faucet for proper operation. Refer to the ″Faucet
Operation″section.
Check all connections for leaks. Make adjustments as needed.
2" (51 mm) –
3" (76 mm)
Kohler Co. 9 1186051-2-D

Faucet Operation
Rotate the handle outward to the open position to start water
flow. The handle LED will illuminate to indicate that the sensor is
functioning.
Adjust the handle to the desired water temperature.
Wave your hand under the spout to turn the water OFF.
Wave your hand under the spout again to restart water flow.
NOTE: Some objects that are clear and certain colors are not
detectable by the sensor. Always use your hand for sensor testing.
If needed, refer to the ″Handle LED Adjustment″section for more
information.
NOTE: For extended periods of nonuse, the handle should be
returned to the closed (upright) position. The handle LED will turn
OFF, indicating that water flow is not available.
LED Indicators
Handle LED: Illuminates when the sensor is active.
Circuit board LED: Indicates there is power to the circuit board.
NOTE: The sensor LEDs are only visible inside the spout when the
spray hose is extended.
Green sensor LED: Indicates there is power to the sensor.
Sensor
Open Position
Manual Override
Handle LED
Sensor
LEDs
1186051-2-D 10 Kohler Co.

Faucet Operation (cont.)
Yellow sensor LED: Illuminates when an object has been detected
by the sensor.
Features
Automatic shut-off: After 4 minutes of inactivity, the water will
automatically shut OFF.
Sensor override: In the event of power loss, the sensor function
can be bypassed by turning in the override feature on the
solenoid valve. The faucet can then be operated manually.
Kohler Co. 11 1186051-2-D

Handle LED Adjustment
NOTE: The LED should turn ON as the handle is rotated open, and
OFF when the handle is in the upright (closed) position. Use a 5/64″
hex wrench to adjust the valve setscrew as needed.
IMPORTANT! Do not apply upward pressure to the valve setscrew
while making adjustments.
LED is ON when the handle is closed: Tighten the valve
setscrew until the LED turns OFF. Then tighten the setscrew an
additional 1/4 turn.
Handle does not return to the upright position: Loosen the valve
setscrew until the handle rotates to the full upright (closed)
position and the LED turns ON. Then tighten the setscrew until
the LED turns OFF, plus an additional 1/4 turn.
Water does not fully shut off: Loosen the valve setscrew until the
handle rotates to the full upright (closed) position and the LED
turns ON. Then tighten the setscrew until the LED turns OFF,
plus an additional 1/4 turn.
Setscrew
LED Closed
Position
Open Position
1186051-2-D 12 Kohler Co.

Cleaning the Screens
Sprayhead Screen
Turn the handle to the closed position.
Disconnect the nut at the end of the spray hose.
Remove and clean the screen inside the spray hose.
Reinsert the screen and reconnect the spray hose.
Solenoid Inlet Screen
Turn the handle to the closed position.
Disconnect the outlet hose from the solenoid.
Remove and clean the inlet screen inside the solenoid.
Reinstall the inlet screen and reconnect the outlet hose.
Supply Hose Screen
Turn off the water supplies.
Disconnect the supply hose from the supply stop.
Remove and clean the screen inside the hose inlet.
Reinsert the screen and reconnect the supply hose to the stop.
Turn on the water supplies.
Supply
Hose
Screen
Outlet
Hose
Screen
Sprayhead
Screen
Kohler Co. 13 1186051-2-D

Care and Cleaning
For best results, keep the following in mind when caring for your
KOHLER product:
•Use a mild detergent such as liquid dishwashing soap and warm
water for cleaning. Do not use abrasive cleaners that may scratch
or dull the surface.
•Carefully read the cleaner product label to ensure the cleaner is
safe for use on the material.
•Always test your cleaning solution on an inconspicuous area
before applying to the entire surface.
•Do not allow cleaners to sit or soak on the surface.
•Wipe surfaces clean and rinse completely with water immediately
after cleaner application. Rinse and dry any overspray that lands
on nearby surfaces.
•Use a soft, dampened sponge or cloth. Never use an abrasive
material such as a brush or scouring pad to clean surfaces.
For detailed cleaning information and products to consider, visit
www.kohler.com/clean. To order Care & Cleaning information, call
1-800-456-4537.
Warranty
KOHLER
®
Electronic Faucets, Valves and Controls
FIVE-YEAR LIMITED WARRANTY
Kohler Co. warrants that its electronic faucets, valves and controls will
be free of defects in material and workmanship during normal
residential use for five years from the date the product is installed.
This warranty applies only to electronic faucets, valves and controls
installed in the United States of America, Canada and Mexico (″North
America″).
If a defect is found in normal residential use, Kohler Co. will, at its
election, repair, provide a replacement part or product, or make
appropriate adjustment where Kohler Co.’s inspection discloses any
such defect. Damage caused by accident, misuse, or abuse is not
covered by this warranty. Improper care and cleaning will void the
warranty*. Proof of purchase (original sales receipt) must be provided
to Kohler Co. with all warranty claims. Kohler Co. is not responsible
for labor charges, installation, or other incidental or consequential costs
other than those noted above. In no event shall the liability of Kohler
Co. exceed the purchase price of the faucet, valve or control.
1186051-2-D 14 Kohler Co.

Warranty (cont.)
If the electronic faucets, valves or controls are used commercially or are
installed outside of North America, Kohler Co. warrants that the
faucet, valve or control will be free from defects in material and
workmanship for one (1) year from the date the product is installed,
with all other terms of this warranty applying except duration.
If you believe that you have a warranty claim, contact your Home
Center, Dealer, Plumbing Contractor or E-tailer. Please be sure to
provide all pertinent information regarding your claim, including a
complete description of the problem, the product, model number, the
date the product was purchased, from whom the product was
purchased and the installation date. Also include your original invoice.
For other information, or to obtain the name and address of the service
and repair facility nearest you, write Kohler Co., Attn: Customer Care
Center, Kohler, Wisconsin 53044 USA, or by calling 1-800-4-KOHLER
(1-800-456-4537) from within the USA and Canada, and
001-800-456-4537 from within Mexico, or visit www.kohler.com within
the USA, www.ca.kohler.com from within Canada, or
www.mx.kohler.com in Mexico.
THE FOREGOING WARRANTIES ARE IN LIEU OF ALL OTHER
WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT
LIMITED TO THE IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE.
KOHLER CO. AND/OR SELLER DISCLAIM ANY LIABILITY FOR
SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES. Some
states/provinces do not allow limitations on how long an implied
warranty lasts or the exclusion or limitation of such damages, so
these limitations and exclusions may not apply to you. This warranty
gives the consumer specific legal rights. You may also have other
rights that vary from state/province to state/province. This warranty
is to the original consumer purchaser only, and excludes product
damage due to installation error, product abuse, or product misuse,
whether performed by a contractor, service company, or the
consumer.
This is Kohler Co.’s exclusive written warranty.
*Never use cleaners containing abrasive cleansers, ammonia, bleach,
acids, waxes, alcohol, solvents or other products not recommended
for chrome. This will void the warranty.
Troubleshooting
Kohler Co. 15 1186051-2-D

Troubleshooting (cont.)
CAUTION: Risk of product damage. This product contains
sensitive electronic components. Use care not to damage pins and
connectors during troubleshooting.
CAUTION: Risk of product damage. Do not insert anything other
than the sensor wire into the sensor wire connector (phone jack) on
the circuit board.
NOTE: For service parts information, visit your product page at
www.kohler.com.
Faucet Troubleshooting Table
Symptoms Probable Causes Recommended Action
1. No water
flow. A. The supply stops are
closed.
A. Confirm the supply stops are
open.
B. Handle is in
the closed
position.
B. Rotate the handle to the open
position. Refer to the ″Faucet
Operation″section.
C. The hot
and/or cold
supply hose
is kinked.
C. Confirm the supply hoses are
not kinked. If coiled, maintain
an inside diameter of 3″(76
mm).
D. The outlet
hose is
kinked.
D. Confirm the solenoid valve is
located within 7″(178 mm) to
8″(203 mm) from the faucet
base.
E. Handle LED
is not lit. E. Refer to the ″Handle Switch Troubleshooting Table.″
F. Sensor LED
is not lit. F. Refer to the ″Sensor Troubleshooting Table.″
G. One or more
screens are
clogged.
G. Refer to the ″Cleaning the
Screens″section.
2. Low water
flow. A. The supply stops are
partially
closed.
A. Confirm the supply stops are
fully open.
B. Handle is
partially
closed.
B. Rotate the handle to the full
open position.
1186051-2-D 16 Kohler Co.

Troubleshooting (cont.)
Faucet Troubleshooting Table
Symptoms Probable Causes Recommended Action
C. The hot
and/or cold
supply hose
is kinked or
twisted.
C. Confirm the supply hoses are
not kinked or twisted. If coiled,
maintain an inside diameter of
3″(76 mm).
D. The outlet
hose is
kinked.
D. Confirm the solenoid valve is
located within 7″(178 mm) to
8″(203 mm) from the faucet
base.
E. One or more
screens are
clogged.
E. Refer to the ″Cleaning the
Screens″section.
F. Cracked
diaphragm. F. Replace the solenoid valve assembly.
3. Poor spray
pattern. A. The spray nozzles are
clogged.
A. Rub your finger over the
nozzles with water running to
dislodge debris.
4. Circuit
board LED
is not lit.
A. No power to
the circuit
board.
A. Check the power supply
connections to the circuit
board.
B. Power cord is
plugged into
a switched
outlet.
B. Plug the power cord into an
unswitched 120 VAC outlet
(test the outlet with a radio or
other device). Confirm the
circuit board LED illuminates.
Solenoid Troubleshooting Table
Symptoms Probable Causes Recommended Action
1. Water
leaking
from the
valve.
A. Hose
connections
are not
secure.
A. CAUTION: Risk of personal
injury or product damage.
Turn off the main power and
water supply. Check all
connections. Make adjustments
as needed.
B. Internal leak. B. Replace the solenoid valve
assembly.
2. No audible
″click″
when
solenoid is
activated.
A. Loose
solenoid wire
connection.
A. Check solenoid wire
connection to the circuit board.
Kohler Co. 17 1186051-2-D

Troubleshooting (cont.)
Solenoid Troubleshooting Table
Symptoms Probable Causes Recommended Action
B. Solenoid
valve is not
functioning.
B. Replace the solenoid valve
assembly.
Handle Switch Troubleshooting Table
Symptoms Probable Causes Recommended Action
1. Handle
LED is lit
when the
handle is
closed.
A. Valve
setscrew
needs
adjustment.
A. Refer to the ″Handle LED
Adjustment″section.
2. Handle
does not
return to
the upright
position.
A. Valve
setscrew
needs
adjustment.
A. Refer to the ″Handle LED
Adjustment″section.
3. Water does
not fully
shut off.
A. Valve
setscrew
needs
adjustment.
A. Refer to the ″Handle LED
Adjustment″section.
4. Handle
LED does
not
illuminate
when the
handle is
rotated
open.
A. Loose handle
switch wire
connection.
A. Check handle switch wire
connection to the circuit board.
B. Circuit board
is not
functioning
correctly.
B. Replace the cover assembly.
Sensor Troubleshooting Table
Symptoms Probable Causes Recommended Action
1. Intermittent
sensor
operation.
A. Debris on the
sensor lens. A. Use mild soap and water to gently remove debris from the
sensor lens.
B. Sensor is
detecting
steam.
B. Rotate the spout away from the
steam.
2. Handle
LED is lit,
but green
sensor
LED is not.
A. Loose sensor
wire
connection.
A. Check sensor wire connection
to the circuit board.
1186051-2-D 18 Kohler Co.

Troubleshooting (cont.)
Sensor Troubleshooting Table
Symptoms Probable Causes Recommended Action
B. Debris on the
sensor wire
connector.
B. At the circuit board, gently
disconnect, clean, and
reconnect the sensor wire
connector.
C. Circuit board
is not
functioning.
C. Replace the cover assembly.
3. Yellow
sensor
LED does
not
illuminate
with an
object in
front of it.
A. Object is
clear or color
is
undetectable
by the sensor.
A. Test the sensor using your
hand.
B. Debris on the
sensor wire
connector.
B. At the circuit board, gently
disconnect, clean, and
reconnect the sensor wire
connector.
Kohler Co. 19 1186051-2-D

Guide d’installation et d’entretien
Robinet de cuisine électronique
INSTRUCTIONS IMPORTANTES
AVERTISSEMENT: Lors de l’utilisation de produits
électriques, toujours observer les précautions de base,
notamment:
DANGER: Risque de choc électrique. Raccorder
uniquement à un circuit protégé par un disjoncteur de fuite
de terre (GFCI)*.
AVERTISSEMENT: Risque de choc électrique. Une mise à
la terre est requise. Toutes les connexions électriques doivent
être effectuées par un électricien agréé.
AVERTISSEMENT: Risque de choc électrique. Déconnecter
l’alimentation électrique avant d’effectuer un entretien.
AVERTISSEMENT: Risque de blessures ou
d’endommagement du matériel. Lire toutes les instructions
avec attention avant de commencer l’installation.
ATTENTION: Risque de dommages matériels. Le bec du
robinet comprend un aimant. Ne pas laisser des objets
pouvant subir des dommages électromagnétiques s’approcher
de près du bec.
AVIS: Respecter tous les codes de plomberie, d’électricité et de
construction.
*Hors de l’Amérique du Nord, ce dispositif peut être connu sous le
nom de dispositif à courant résiduel (RCD).
Kohler Co. Français-1 1186051-2-D