Kohler K-7514 User manual

Installation Guide
Touchless Bathroom Sink Faucet
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K-7514, K-7515 K-7516, K-7517
K-7518, K-7519, K-45345 K-45344
1124217-2-E

Tools and Materials
Before You Begin
Observe all local plumbing and building codes.
Shut off the water supply.
This faucet is for use on a single-hole bathroom sink.
For new installations, install the faucet and drain to the sink
before installing the sink.
The faucet shown in this guide may differ from your actual
product. The installation steps still apply.
In order for this faucet to function properly, install the faucet so
the sensor points directly toward the user.
The faucet is rated at6VDC1Wandisoperated by a Hybrid
Energy Cell (HEC) (provided).
1-1/4" to 1-1/2"
Hole Bit
1124217-2-E 2 Kohler Co.

1. Faucet Installation
Prepare the Site - AC and Hybrid Models
NOTE: Before drilling the mounting hole, use the following
provisions for proper placement:
A 1-1/4″(32 mm) minimum to 1-1/2″(38 mm) maximum
diameter mounting hole is required.
A minimum distance of 1-3/4″(44 mm) is required between the
back of the spout and the wall to allow access to the screw.
A 1-3/4″(44 mm) maximum distance is required between the
sink bowl edge and the base of the spout.
Install the Faucet
Determine the mounting hole location.
Drill a hole through the mounting surface according to the
surface manufacturer’s instructions.
Install the stud to the underside of the faucet.
Slide the O-ring over the flexible hoses and stud, then seat the
O-ring in the groove on the underside of the spout.
Insert the spout with flexible hoses and stud through the
mounting hole.
From under the sink, slide the rubber washer and bracket onto
the stud.
Without Escutcheon
Spout
Stud
O-Ring
Rubber Washer
Bracket Nut
Supply Hoses
Kohler Co. 3 1124217-2-E

Faucet Installation (cont.)
Thread the nut onto the stud to secure the faucet to the mounting
surface.
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2. Supply Connections
Connect the Filter Assembly
Turn on the water and flush water through the supply stops into
a bucket.
Turn off the water.
Remove the filter assemblies from the supply hoses. Then thread
a filter assembly onto each supply stop.
Connect the Supplies
For models with two hoses, thread the left supply hose to the
filter assembly on the hot supply stop and the right supply hose
to the filter assembly on the cold supply stop.
For models with one hose, thread the supply hose to the filter
assembly on the supply stop.
Tighten the connections with a small adjustable wrench.
Turn on the water and flush the faucet by activating it.
NOTE: For optimum performance, clean your filter screens
periodically. Refer to the Maintenance Guide.
Flex Hose
Filter
Assembly
Supply
Stop
Housing
Adapter
Screen
Kohler Co. 5 1124217-2-E

3. Install the Power Supply
NOTE: Avoid the area in front of the sensor for 2 minutes after
connections are complete. The sensor will not function correctly if it
is triggered in the first 2 minutes. Disconnect and reconnect the
power to reset the sensor.
Mount the Hybrid Energy Cell (HEC) under the counter using
two screws (not supplied).
Connect the HEC to the faucet wire.
Avoid the area in front of the sensor for 2 minutes.
Hybrid Models
Faucet Wire
Deck
Hybrid
Energy
Cell
1124217-2-E 6 Kohler Co.

4. Optional Temperature Limiting Adjustment
CAUTION: Risk of personal injury. Scalding may result if
the temperature limit is set above 120°F (49°C).
NOTE: The water temperature does not need to be adjusted if the
water temperature is below 105°F (41°C).
NOTE: Use a thermometer rated for 120°F (49°C) or greater.
NOTE: When using a tempered water supply, install the
vandal-resistant plug button.
Adjust the Water Temperature Limit – Handle Installations
Turn on the water and adjust to full hot by turning the handle
toward the back of the faucet until it stops.
Determine the temperature using a thermometer. If the
temperature exceeds 105°F (41°C), complete the following steps.
NOTICE: Do not rotate the handle when removing the screw.
Using the 2.5 mm hex wrench provided, remove and retain the
handle screw.
Remove and retain the handle with the spring washer.
Handle
Screw
Vandal-Resistant
Plug Button
Spring
Washer
Kohler Co. 7 1124217-2-E

Optional Temperature Limiting Adjustment (cont.)
Insert the handle at the desired maximum temperature. If the
handle is inserted horizontally: This is the maximum hot
temperature, where the water will be the same temperature as the
water from the hot water supply. If the handle is inserted
vertically (shown): This is the maximum cold temperature, where
the water will be the same temperature as the water from the
cold water supply.
NOTICE: Do not rotate the handle when reinstalling the screw.
Reinstall the spring washer into the handle, then attach the
handle to the faucet.
Secure the handle to the faucet with the screw.
Adjust the Water Temperature Limit – Vandal-Resistant Installations
NOTE: If you install the vandal-resistant plug button, save the
handle to adjust the water temperature at a later date.
Using the handle, adjust the water to the desired temperature.
Using the 2.5 mm hex wrench provided, remove and retain the
screw, spring washer, and handle.
Position the vandal-resistant plug button and firmly press into
place.
1124217-2-E 8 Kohler Co.

5. Installation Checkout
Using the key provided, remove the aerator from the spout.
If applicable, uncover the drain.
Turn on the water supply and check for leaks. Adjust as needed.
Allow the water to run through the spout for about 1 minute to
remove any debris. Check for leaks and adjust as needed.
Temporarily cover the sensors on the faucet or close the water
supplies.
Using the key provided, reinstall the aerator to the spout.
Uncover the sensors on the faucet or turn on the water supplies.
Troubleshooting
Symptoms Probable Causes Recommended Action
1. No water flow. A. Filter is plugged. A. Clean or replace the
filter.
B. Sensor eyes are
dirty. B. Wipe the sensor eyes with a damp soft cloth.
Wipe dry with a dry soft
cloth.
Aerator
Key
Kohler Co. 9 1124217-2-E

Troubleshooting (cont.)
Symptoms Probable Causes Recommended Action
C. Water not turned
on. C. Verify that the water supply is turned on and
that pressure is at least 20
psi (137 kPa).
D. Incorrect
installation. D. Verify that the faucet is mounted as instructed in
the installation guide.
Ensure that the sensor eyes
are above the rim of the
sink. Refer to the
installation instructions.
E. The aerator is
plugged. E. Remove and clean the aerator. For
calcium/mineral deposits,
soak the plastic insert in a
50:50 mix of water and
vinegar. Soak only the
plastic insert.
F. Sensor eyes are
scratched. F. Replace the sensor assembly.
G. A flex hose is
kinked. G. Check the flex hoses to make certain they are not
kinked. If a flex hose is
kinked, disconnect it,
straighten, and reconnect.
H. Hybrid Energy
Cell (HEC) has just
been replaced.
H. Wait 2 minutes after
replacing the HEC as the
sensor cycles through the
automatic sensing distance.
I. HEC life expired. I. Replace the HEC.
J. Bleed hole in
diaphragm is
plugged or debris
exists on the seal.
J. Clean or replace the
diaphragm.
K. Solenoid is not
working. K. Order a new solenoid service kit.
2. Low flow. A. Filter is plugged. A. Clean or replace the
filter.
B. Supply pressure
is low. B. Check incoming water pressure. Pressure should
be at least 20 psi (137 kPa).
1124217-2-E 10 Kohler Co.