Kohler K-657 User manual
Installation Guide
Digital Interface
Mproduct numbers are for Mexico (i.e. K-12345M)
Los números de productos seguidos de Mcorresponden a México
(Ej. K-12345M)
Français, page “Français-1”
Español, página “Español-1”
K-657, K-694 K-658, K-695
1069764-2-A
IMPORTANT INSTRUCTIONS
WARNING: When using electrical products, basic precautions should always be followed,
including the following:
DANGER: Risk of electric shock. Connect only to circuits protected by a Ground-Fault
Circuit-Interrupter (GFCI) or Earth-Leakage Circuit Breaker (ELCB). Grounding is required. The
unit should be installed and grounded by a qualified service representative.
WARNING: Risk of electric shock. A licensed electrician should route all electrical wiring.
WARNING: Risk of electric shock. Disconnect power before servicing.
WARNING: Risk of injury or property damage. Please read all instructions thoroughly before
beginning installation.
NOTICE: Follow all plumbing, electrical, and building codes.
1069764-2-A 2 Kohler Co.
Specifications
Interface
Ambient Temperature Max 125°F (52°C)
Maximum Relative Humidity 100% condensing (External surface only)
User Interface Cable Length (supplied
with valve or supplied with accessory
interface)
30 ft (9.15 m)
Media Module
Ambient Temperature Max 104°F (40°C)
Maximum Relative Humidity 95% non-condensing
Electrical Service 100-240 VAC, 50-60 Hz, 4.4-1.83 A
Lighting 100-240 VAC, 50-60 Hz, 2.4-1.0 A
Media Module 100-240 VAC, 50-60 Hz, 2.0-0.83 A
Valve Cable Length (supplied) 30 ft (9.14 m)
Speaker Cable Length 25 ft (7.62 m)
Line-in Cable Length 5.6 ft (1.71 m)
Ethernet Cable Length 30 ft (9.14 m)
Tools and Materials
Screwdrivers
Jigsaw/Saber
Saw
Sealant
LevelPencil
Drill
Plus:
• Shims
• Suction Cup (Provided)
Kohler Co. 3 1069764-2-A
Roughing-In Illustration
Before You Begin
Observe all local plumbing, building, and electrical codes.
Read these instructions and determine all required components along with their installation
locations before beginning this installation.
A licensed electrician should install a 120 V GFCI electrical outlet, within the stud framing, in close
proximity to the electronic valve and media module. The interface(s) is/are powered through the
connection(s) with the media module.
Install the valve and media module prior to installing the interface(s).
Kohler Co. reserves the right to make revisions in the design of our products without notice, as
specified in the Price Book.
7-5/8"
(19.4 cm)
3-5/8" (9.2 cm)
4-1/2" (11.4 cm)
30' (9.14 m)
30' (9.14 m)
8-Pin Interface Cable
4-Pin Auxiliary Interface Cable
Cutout
7-11/16"
(19.5 cm)
3-11/16" (9.4 cm)
Cutout Detail
1/2" (1.3 cm) Min Clamp
Arm Clearance
1/4" (6 mm) Min
Interface Lip
Clearance
Clamp Arm
8-1/2"
(21.6 cm)
3-5/8" (9.2 cm) –
4-5/8" (11.7 cm)
Wall Cavity
Depth
3/16" (5 mm) Min –
2" (5.1 cm) Max Depth
1069764-2-A 4 Kohler Co.
1. Components
The digital interface(s) control(s) the digital mixing valve, steam generator, lighted rain panel, and music
through the media module.
Cables are supplied for connecting the digital mixing valve, speakers, audio line in and Ethernet to the
media module. User interface cables are included with the valve and the user interfaces
Determine all required components along with their installation locations before beginning this
installation.
Locate the primary interface (8-pin connection) inside the shower enclosure and the optional
auxiliary interface (4-pin connection) outside the shower enclosure.
Verify the components are located so the connection cables easily span the distance between the
connection points.
Refer to the installation guides packed with each product for specific installation needs.
Speakers
AC Power AC Power
Digital Mixing Valve Media Module
Lighted Rain Panel
Steam Generator
AC Power
Router
Digital Interfaces
Computer Internet
Incandescent
Lighting
Audio
Source
If a steam generator is not
used, connect the PDS
directly to the media box.
Power Data
Supply (PDS)
Steam
Adapter
Kohler Co. 5 1069764-2-A
2. Prepare the Site
IMPORTANT! Portrait installation illustrations are shown; for landscape interface installations, orient the
cutout accordingly.
NOTE: Allow for a 1/4″(6 mm) overlap for the lip of the wall sleeve and a minimum clearance of 1/2″
(1.3 cm) around the back of the opening to enable the clips to fully engage.
Refer to the rough-in information. With a pencil, mark the cut lines onto the finished wall.
Carefully cut out the opening in the finished wall following the penciled guidelines.
For thin finished wall materials of less than 3/16″(5 mm), shim around the back of the opening to
provide adequate support for mounting the interface wall sleeve.
1/4" (6 mm)
Interface lip
Cutout Wall Shim
Clamp Arm
7-11/16"
(19.5 cm)
3-11/16"
(9.4 cm)
Shim thin walls if
necessary.
52" (132.1 cm)
1/2" (1.3 cm) Min
Clamp Arm
Clearance
3/16" (5 mm) Min –
2" (5.1 cm) Max Depth
1069764-2-A 6 Kohler Co.
3. Install the Interface
CAUTION: Risk of product damage. Do not use power screwdrivers to install the interface.
NOTE: The clamp arms can be removed and turned upside down to allow installation to thicker walls.
Measure the finished wall thickness.
If appropriate, flip the clip arms to accommodate thicker wall materials. Refer to the above
illustration.
Secure the interface cable, from the valve, with a zip tie to the back of the wall sleeve allowing
approximately 18″(45.7 cm) of cable to hang free.
Insert the free end of the interface cable into the opening of the wall sleeve.
Tuck the clamp arms into the slots of the sleeve.
Apply a bead of silicone sealant into the groove around the backside of the sleeve lip.
Insert the sleeve into the cutout.
Turn the clamp arms so that they are perpendicular to the opening.
Handtighten the screws. Do not overtighten.
Wipe away any excess sealant from around the front of the sleeve. Use care not to get sealant on the
outer surface of the sleeve.
Remove the cap from the interface cables.
Connect the interface to the interface cable.
Carefully feed the connection through the hole in the wall sleeve and into the wall cavity. A drip
loop will automatically be formed in the cable.
Flip clamp arms for
thicker wall material,
1-1/4" (3.2 cm) – 2"
(5.1 cm).
Thinner Wall, 3/16" (5 mm) –
1-1/4" (3.2 cm)
Apply silicone
sealant.
Tuck clamp
arms into slots.
Do not use power
screwdriver.
Insert sleeve and
untuck clamp arms.
Sleeve
Cable
Drip Loop
Interface
Secure cable.
18"
(45.7 cm)
Min
Control
Knob
Kohler Co. 7 1069764-2-A
Install the Interface (cont.)
Verify the gasket is in place on the interface.
Slide the body of the interface into the sleeve.
Firmly press on the interface with the palms of your hands until it snaps into place.
Install the control knob.
1069764-2-A 8 Kohler Co.
Connection Key
Right Speaker
Ethernet
Peripheral
Peripheral or
Auxiliary Digital
Interface
Power Cord
Indicator Light
Low Voltage
Access Cover
Audio Line In
High Voltage
Access Cover
Primary Digital
Interface
Digital Mixing
Valve
Incandescent
Lighting
Left Speaker
Kohler Co. 9 1069764-2-A
4. Connect the Interface(s)
CAUTION: Risk of electric shock or product damage. Make sure the power cord for the media
module is unplugged before removing the access covers.
Remove the low voltage access cover on the media module.
Remove the grommets in the locations where the interface cable(s) will be installed. Refer to the
″Connection Key.″
Gently press each connection until it snaps together.
Slide the cable grommet into the slot with the male end up. Verify the grommet is properly seated.
5. Complete the Installation
If not already installed, install any additional components at this time according to the installation
instructions packed with the products. For connecting to the media module, refer to the ″Connect
the Components″section in the Media Module Installation Guide.
Reinstall the media module access covers. Do not over tighten.
6. Installation Checkout
Plug the media module power supply into the outlet. Verify that the indicator light on the media
module turns on and pulses.
Turn on the water supply to the valve.
Check all connections for leaks and make any adjustments as needed.
Make sure power cord is unplugged
before opening access covers.
1/2" (1.3 cm) D.
Knockout
Grommet
Male end
Slide grommet into slot with
male end up.
High Voltage
Access Cover
Low Voltage
Access Cover
Install grommets
flush with media
box.
Indicator Light
Line
Neutral
Ground
Use copper
wire only.
Lighting Connection
1069764-2-A 10 Kohler Co.
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