Kohler K-R78035 Assembly instructions

Installation and Care Guide
Electronic Kitchen Faucet
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K-R78035
1281441-2-C

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.
Follow all plumbing, electrical, and building codes.
*Outside North America, this device may be known as a Residual
Current Device (RCD).
Tools and Materials
Important Information
WARNING: Risk of fresh water contamination. This faucet
contains back-siphonage protection. Do not remove any
internal components.
Optional:
Unswitched Electrical Outlet
Plywood Support
Bucket 3/8"
1281441-2-C 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.
IMPORTANT! 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 4’ (1.2 m) of the control box (optional).
Turn off the water supply.
For new installations, assemble the faucet to the sink before
installing the sink.
Kohler Co. 3 1281441-2-C

Before You Begin
CAUTION: Risk of restricted water flow and product damage.
Supply hoses must not be taut, kinked, or twisted during
installation.
IMPORTANT! Risk of restricted waterflow. The outlet hose must
not be taut or kinked when installed.
NOTICE: When locating the valve box bracket make sure that the
spray hose weight will not interfere with the valve box or wire
connections.
NOTE: Allow adequate clearance for servicing.
Before installing the faucet make sure the cabinet area under the
sink can accommodate all of the required components.
Consider loose fitting the connections covered in the following
steps to make sure the bracket location allows enough clearance
for the operational use of the spray hose and weight
If installing the optional power supply, make sure there is an
unswitched 120V outlet within reach.
Outlet Hose
Supply Hose
Battery Wire
Valve Box
Battery Box
Blue Terminals &
Connectors
Spray Hose
Weight
Spray Hose
Unswitched
Outlet
(Optional)
Supply Stop
1281441-2-C 4 Kohler Co.

1. Install the Faucet
NOTE: Handle orientation is designed to be on the right.
For Three-Hole Sinks: Install the gasket, foam side down. Place
the escutcheon and undercover over the sink holes. Insert the
faucet through the escutcheon and the mounting surface with the
handle on the right.
For Single-Hole Sinks: Install the gasket, foam side down. Insert
the faucet through the mounting surface with the handle on the
right.
For thin gauge stainless steel sinks, consider installing a 1/2” (13
mm) plywood support (not supplied).
Slide the washer and ring over the knurled hose, then over the
other hoses and wires, and up to the shank.
Thread the ring onto the shank until the washer contacts the
underside of the sink.
Make sure the faucet is positioned correctly.
Use a Phillips screwdriver to securely tighten the screws.
Escutcheon For
Three-Hole Sinks
Undercover
Washer
Ring
Shank
Plywood
(Optional)
Gasket
Kohler Co. 5 1281441-2-C

2. Connect the Hoses
CAUTION: Risk of restricted water flow 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″(76 mm).
Connect the Supplies
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.
Outlet Hose
Ø 3"
(76 mm) Min
Supply
Hose
1281441-2-C 6 Kohler Co.

3. Mount the Bracket
NOTICE: The bracket must be installed vertically.
NOTE: Allow adequate clearance for servicing.
NOTE: If using the optional AC adapter (not supplied) consider the
distance to the nearest electrical outlet when positioning the bracket
within the specified range.
Locate the bracket within 10″(254 mm) from the faucet centerline.
The bottom of the bracket should also be between 8″(203 mm)
and 13″(330 mm) above the cabinet floor.
Secure the bracket with the provided mounting screws. If
installing on drywall, use appropriate anchors (not supplied).
Bracket
10"
(254 mm)
8"
(203 mm)
13"
(330 mm)
Kohler Co. 7 1281441-2-C

4. Install the Batteries
Disconnect the green connector from the valve box.
Slide the battery holder off the valve box.
Press the tabs to remove the cover from the battery holder.
IMPORTANT! Do not use rechargeable or lithium-ion batteries.
Insert six AA batteries into the battery holder.
Reinstall the cover on the battery holder with the flat part of the
green connector facing the front of the holder.
Slide the battery holder back onto the valve box.
IMPORTANT! Do not reconnect the green connector until
instructed to do so.
Valve Box
Battery
Green
Connector
Battery
Holder
Cover
Tab
1281441-2-C 8 Kohler Co.

5. Install the Valve Box
IMPORTANT! Risk of restricted waterflow. The outlet hose must
not be taut or kinked when installed.
NOTICE: Handtighten the outlet hose connector. Do not use a
pliers or a wrench.
Thread the outlet hose onto the valve inlet.
Slide the valve box into the mounted bracket.
Tighten the locking screw to secure the valve box to the bracket.
Connect the spray hose to the valve box outlet. It will click into
place when the connection is secure.
Locking
Screw
Outlet
Hose
Spray Hose
Kohler Co. 9 1281441-2-C

6. Connect the Wires
IMPORTANT! Do not connect the green connector until all other
wires have been attached.
Connect the blue connectors to the blue terminals on the valve
box. The white lines on the connectors should face the front of
the valve box.
Connect the green connector from the valve box to the battery
holder.
NOTE: A LED light will flash on the faucet sensor for fifteen
seconds to indicate a proper installation.
If installing the optional power supply (not supplied), plug the
power cord into an unswitched 120 VAC outlet and connect it to
the valve box. A green LED on the valve box will illuminate
when the power supply is connected.
Blue
Connector
Blue Terminal
Green Connector
1281441-2-C 10 Kohler Co.

7. Complete the Installation
Position the Spray Hose Weight
NOTICE: Make sure that the spray hose weight will not interfere
with the valve box or wire connections.
Loosely attach the weight to the spray hose.
Position the weight approximately 11″(279 mm) from the bottom
of the hose loop.
Secure the spray hose weight in place by tightening the two
screws.
Extend and retract the spray hose to check for smooth operation.
Check for Leaks
Ensure all connections are tight.
Turn on the water supplies, and check all connections for leaks.
Test the faucet for proper operation. Refer to the ″Faucet
Operation″section.
11"
(279 mm)
Kohler Co. 11 1281441-2-C

Faucet Operation
Rotate the handle outward to the open position to start water
flow.
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 the water flow.
NOTE: For extended periods of nonuse, the handle should be
returned to the closed (upright) position.
Valve Box LED Indicators
Green LED: Indicates that the AC plug is installed and
connected.
Red flashing LED: Indicates low batteries.
Features
Automatic shut-off: After 4 minutes of inactivity, the water will
automatically shut OFF.
Sensor
Open
Position
1281441-2-C 12 Kohler Co.

Manual Sensor Override
In the event of power loss, the sensor function can be bypassed
by engaging the manual override feature on the valve box.
Turn clockwise to engage the bypass and counterclockwise to
disable the bypass.
Once the manual override is engaged, the faucet can then be
operated manually.
Kohler Co. 13 1281441-2-C

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 head.
Valve Box Inlet Screen
Turn the handle to the closed position.
Disconnect the outlet hose from the valve box.
Remove and clean the inlet screen from inside the valve box.
Reinstall the inlet screen and reconnect the outlet hose.
Troubleshooting
CAUTION: Risk of product damage. This product contains
sensitive electronic components. Use care not to damage pins and
connectors during troubleshooting.
NOTE: For service parts information, visit your product page at
www.kohler.com.
Screen
Spray
Head
Screen
Outlet Hose
Spray
Hose
Valve Box
Nut
1281441-2-C 14 Kohler Co.

Troubleshooting (cont.)
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 mounting
bracket and valve box
are located within 10″
(254 mm) from the
faucet centerline and
within 8″(203 mm) to
13″(330 mm) above the
cabinet floor.
E.E. Battery
power is low
or exhausted.
E. Check for a red
flashing LED on the
valve box. Refer to the
″Install the Batteries″
section.
F. One or more
screens are
clogged.
F. 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.
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).
Kohler Co. 15 1281441-2-C

Troubleshooting (cont.)
Faucet Troubleshooting Table
Symptoms Probable Causes Recommended Action
D. The outlet
hose is
kinked.
D. Confirm the mounting
bracket and valve box
are located within 10″
(254 mm) from the
faucet centerline and
within 8″(203 mm) to
13″(330 mm) above the
cabinet floor.
E. One or more
screens are
clogged.
E. Refer to the ″Cleaning
the Screens″section.
F. Cracked
diaphragm. F. Replace the valve box 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. Water drip or
trickle when
faucet is not in
use.
A. Manual
override is
partially
engaged.
A. Turn the manual
override clockwise until
it stops; then turn it
counterclockwise until
the water drip stops.
Valve Box Troubleshooting Table
Symptoms Probable Causes Recommended Action
1. Water leaking
from the valve
box.
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 valve box.
2. No audible ″click″
when the valve is
activated.
A. Loose valve
box wire
connection.
A. Check the valve box
wire connection.
B. Valve is not
functioning. B. Replace the valve box.
1281441-2-C 16 Kohler Co.

Troubleshooting (cont.)
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.
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.
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.
Kohler Co. 17 1281441-2-C

Warranty (cont.)
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.
1281441-2-C 18 Kohler Co.

Guide d’installation et d’entretien
Robinet d’évier 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
du bec.
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 1281441-2-C

Outils et matériel
Informations importantes
AVERTISSEMENT: Risque de contamination de l’eau
potable. Ce robinet comprend une protection contre le
siphonnement à rebours. Ne pas retirer les composants
internes.
ATTENTION: Risque d’endommagement du produit. Ce produit
contient des composants électroniques sensibles. Ne pas entreposer
les récipients de produits chimiques ou de nettoyage près de ce
produit. Les chiffons ou éponges de nettoyage doivent être rincés
avec de l’eau fraîche avant le stockage.
IMPORTANT! Ne pas utiliser de prise de courant commandée par
interrupteur (généralement utilisée pour les broyeurs de déchets)
pour fournir une alimentation au robinet.
Respecter tous les codes de plomberie et de bâtiment locaux.
Fournir une prise électrique continuelle de 120 V c.a. non
commutée placée sous l’évier à 4’ (1,2 m) du boîtier de
commande (optionnel).
Couper l’arrivée d’eau.
Pour de nouvelles installations, assembler le robinet sur l’évier
avant d’installer ce dernier.
Optionnel:
Prise électrique non commutée
Support en contreplaqué
Seau 3/8"
1281441-2-C Français-2 Kohler Co.