Kohler K-72218 Assembly instructions

Installation and Care Guide
Electronic Kitchen Faucet
K-72218 K-99332
1186051-2-F

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
Important Information
WARNING: Risk of fresh water contamination. This faucet
contains back-siphonage protection. Do not remove any
internal components.
3/8"
Phillips Screwdriver Bucket
Plus:
• Unswitched Electrical Outlet
Rags
1186051-2-F 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 5’ (1.5 m) of the control box.
Turn off the 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.
Kohler Co. 3 1186051-2-F

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-F 4 Kohler Co.

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
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
Remove the protective cap.
NOTE: The weight must be installed onto the spray hose to act as a
pull stop and to prevent kinking damage.
Solenoid
Clamp
Weight
Outlet Hose
Ø 3" (76 mm)
Min
Supply
Hose
Kohler Co. 5 1186051-2-F

Connect the Hoses (cont.)
Slide the weight, then the clamp onto the spray hose.
NOTE: 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.
1186051-2-F 6 Kohler Co.

3. Install the Solenoid
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.
NOTE: Locate the solenoid valve within 7″(178 mm) to 8″(203
mm) from the faucet centerline. Allow adequate clearance for
servicing.
Mount the Bracket
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 may be positioned to the right or left. Remove
the appropriate tab on the cover.
Apply grease.
Solenoid
Wire
LED
Mounting
Bracket
Handle Switch
Solenoid
Tab
Power
Cord
Sensor
Cover
Solenoid
Kohler Co. 7 1186051-2-F

Install the Solenoid (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.
Plug the power cord into an unswitched 120 VAC outlet. The
LED on the circuit board will illuminate.
Test activation of the sensor. Refer to the ″Faucet Operation″
section.
Fit the cover over the solenoid.
Secure the assembly to the mounting bracket with the two screws
provided.
1186051-2-F 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.
Turn on the water supplies, and check all connections for leaks.
Test the faucet for proper operation. Refer to the ″Faucet
Operation″section.
2" (51 mm) –
3" (76 mm)
Kohler Co. 9 1186051-2-F

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 the 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-F 10 Kohler Co.