Kohler Oblo K-103B87-SANA-CP User manual

Installation Guide
Electronic Bathroom Sink Faucet
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1386432-2-A

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 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.
*Outside North America, this device may be known as a Residual
Current Device (RCD).
1-1/4" to 1-1/2"
Hole Bit1/8"
Sealant TapePlumbers Putty
1386432-2-A 2 Kohler Co.

Before You Begin (cont.)
Provide a constant unswitched 120 VAC electrical outlet located
below the sink within 5’ (1.5 m) of the control box.
Observe all local plumbing and building codes.
Shut off the water supply.
This faucet is for 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.
Kohler Co. 3 1386432-2-A

1. Faucet Installation
NOTE: Before drilling the mounting hole, use the following
dimensions 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 1-1/8″(29 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.
Insert the spout with flexible hoses and studs through the
mounting hole.
From under the sink, slide the rubber washer and metal washer
onto the studs.
Thread the nuts onto the studs and wrench-tighten to secure the
faucet to the mounting surface.
Sensor
Rubber Washer
Metal Washer
Nuts
Water Inlet Hose
1386432-2-A 4 Kohler Co.

2. Install the Control Box
NOTE: Verify that the hose will reach the supply stop by attaching
the flex hose to the control box inlet.
NOTE: Determine the proper mounting location according to the
Specification Sheet.
Verify that the sensor cable is below the countertop.
Unthread the control box screws to remove the cover.
Drill pilot holes.
Use the standard wall anchors (provided) depending on your
wall material.
Attach the control box to the wall with the arrow pointing
upward. Secure with the two screws (provided).
Inlet
Kohler Co. 5 1386432-2-A

3. Connect the Control Box
IMPORTANT! The control box cover has slots for the spout wires
to fit. Verify that the wires are not pinched when installing the
cover.
Connect the 3-pin sensor cable from the valve cover to the 3-pin
sensor cable from the spout (red, white, and green cables).
Connect the solenoid cable from the valve cover to the solenoid
cable from the valve box (red and green cables).
Connect the 2-pin sensor cable from the valve cover to the 2-pin
sensor cable from the spout (orange and black cables).
Loosely secure the cover to the control box for future access.
Valve
Box
Valve
Cover
Power
Cable
Solenoid
Cable
3-Pin
Sensor
Cable
Power
Cable
Solenoid
Cable
3-Pin
Sensor
Cable
2-Pin
Sensor
Cable
2-Pin
Sensor
Cable
Spout
Wires
1386432-2-A 6 Kohler Co.

4. Supply Connections
Inlet Connections
Connect the flex hose from the control box to the supply stop.
Outlet Connections
Verify that the tube from the spout is the appropriate length to
reach the control box. Cut the tube if necessary. Remove any
burrs and sharp edges.
Insert the tube into the fitting (control box outlet end) until the
tube stops.
Verify that the tube is secure.
Outlet Inlet
Flex Hose
Tube
From Spout
Supply
Stop
Flex Hose
Kohler Co. 7 1386432-2-A

5. Mixing Valve - If Included
If a mixing valve is included with your product, connect the
water outlet hose to the control box outlet.
Attach the supply hose to the control box inlet and outlet of
mixing valve.
Use a 3/8″compression connection (provided) to attach the cold
supply to the mixing valve cold inlet end (marked cold on the
adjustment plate).
Use a 3/8″compression connection (provided) to attach the hot
supply to the mixing valve hot inlet end (marked hot on the
adjustment plate).
Loosen the lock screw and adjust the temperature by rotating the
adjustment plate.
Retighten the lock screw.
Outlet
Hot Cold
Adjustment plate to
set water temperature.
Lock Screw
1386432-2-A 8 Kohler Co.

6. Install the AC Single Supply
IMPORTANT! Verify that you are following the correct power
system installation based on your model number. For a multi-output
AC supply power unit installation, refer to ″Install AC Multi-Output
Supply″. For a hard wire power installation, refer to ″Hard Wire
Installation″.
Unthread the control box screws to remove the control box cover.
Connect the power cords.
Plug the AC supply into the wall outlet.
Secure the excess wire under the counter.
Secure the control box cover to the control box.
IMPORTANT! The area in front of the sensor must be free of
objects during the 2 minute learning cycle or the faucet may not
function properly.
Allow 2 minutes for the sensor to cycle through the automatic
sensing distance.
Power
Cord
AC Supply
Kohler Co. 9 1386432-2-A

7. Install AC Multi-Output Supply
Mount the AC supply under the counter using two screws
(provided). Orient as shown.
Remove the cover.
Connect the faucet wire to the faucet.
If needed, cut and strip the AC supply wires to length.
Connect the stripped ends to the bottom terminal block in the
supply box.
Secure the terminal box cover to the terminal box.
NOTE: If a hard wired installation is required, refer to ″Hard Wire
Installation″.
Plug the AC supply into the wall outlet.
Secure any excess wire under the counter.
IMPORTANT! The area in front of the sensor must be free of
objects during the 2 minute learning cycle or the faucet may not
function properly.
Allow 2 minutes for the sensor to cycle through the automatic
sensing distance.
AC
Supply
Red
Black
AC Gang
Supply
1386432-2-A 10 Kohler Co.