Kohler K-72218-2BZ User manual

1433562-2-A
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Installation Instructions
Electronic Kitchen Faucet

Tools and Materials
Before You Begin
WARNING: Risk of fresh water contamination. This faucet
contains back-siphonage protection. Do not remove any
internal components.
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
qualified 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).
3/8"
Plus:
• Unswitched Electrical Outlet
1433562-2-A 2 Kohler Co.

Before You Begin (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 electrical outlet
(typically used for garbage disposals) to provide power to the
faucet.
Class 1 laser product: Complies with 21 CFR 1040.10 and 1040.11.
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 1433562-2-A

1. Prepare for Installation
NOTE: Handle orientation is designed to be on the right.
Thread the screws into the ring 1/4″(6 mm) past the surface.
Use the escutcheon included with your faucet.
Insert the faucet through the mounting surface with the handle
on the right.
1/4"
(6 mm)
Escutcheon
1433562-2-A 4 Kohler Co.

2. Install the Faucet
Slide the washer and ring over the outlet hose, then feed the
supply hoses and wires through.
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.
Shank
Outlet Hose
Ring
Washer
1/4"
(6 mm)
Kohler Co. 5 1433562-2-A

3. Connect the Supplies
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).
CAUTION: Risk of fresh water contamination. To prevent water
contamination, the check valves must be installed.
Connect the Supplies
Assemble a check valve to each supply.
Connect and tighten the supply hoses to the check valves.
Place a bucket under the outlet hose.
Turn on the supplies.
Flush the hot and cold water for 1 minute to remove any debris.
Connect the outlet hose to the solenoid inlet.
Connect the Spray Hose
Remove the protective cap.
Solenoid
Weight
Outlet Hose
Ø 3"
(76 mm)
Min
Supply Hose
Check
Valve Outlet
Hose
Inlet
Outlet
Spray
Hose
1433562-2-A 6 Kohler Co.

Connect the Supplies (cont.)
NOTE: The weight must be installed onto the spray hose to act as a
pull stop and to prevent kinking damage.
Slide the weight onto the spray hose.
Connect the spray hose to the solenoid outlet.
Kohler Co. 7 1433562-2-A

4. Connect the Wires
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 and sensor wires 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
power LED on the circuit board will illuminate.
Test activation of the sensor. Refer to the ″Faucet Operation″
section.
Handle Switch
Solenoid
Power Cord
Sensor
Solenoid
Power
LED
Cover
Apply grease.
1433562-2-A 8 Kohler Co.

5. 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.
Mount the Solenoid and Cover
NOTE: The solenoid may be positioned to the right or left. Remove
the appropriate tab on the cover.
Solenoid
Wire
Mounting
Bracket
Tab
Cover
Solenoid
Kohler Co. 9 1433562-2-A

Install the Solenoid (cont.)
Position the solenoid and cover on the mounting bracket.
Secure the solenoid and cover to the mounting bracket with the
two screws provided.
1433562-2-A 10 Kohler Co.