Kohler K-686, K-683, K-685, K-684 User Manual

Installation Guide

Digital Interface

K-683, K-685

K-684, K-686

M product numbers are for Mexico (i.e. K-12345M)

Los números de productos seguidos de M corresponden a México (Ej. K-12345M)

Français, page “Français-1” Español, página “Español-1”

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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.

Specifications

Pressures

Maximum Static Pressure	125 psi, 862 kPa, 8.6 bar
Supply Pressure Differential*	Max 5 psi, 34.5 kPa, 0.34 bar (Equal pressures recommended.)
Minimum Flow Rate	1.6 gpm (Less than 72 psi dynamic pressure.)
	6 lpm (Less than 500 kPa maintaining pressure.)
	2.1 gpm (Greater than 72 psi dynamic pressure.)
	8 lpm (Greater than 500 kPa maintaining pressure.)
Temperatures
Programmable Temperature	Max 120°F (49°C) Min 79°F (26°C) Full cold may also be selected.
Default Temperature at Start-up	102°F (39°C)
Minimum Mixed Temperature	3.6°F (2°C)
Differential from Hot Supply
Optimum Thermostatic Control Range	86°F (30°C) to 120°F (49°C)
Temperature Stability at Recommended	+/- 1.6°F (1°C)
Supply Conditions
Ambient Temperature	Greater than 34°F (1°C), Max 104°F (40°C)
Maximum Relative Humidity	95% non-condensing
Electrical
Electrical Service	100-240 VAC, 50-60 Hz, 1.5 A
User Interface Cable Length (supplied)	30 ft (9.14 m)

* In commercial applications where there is a large difference in hot and cold supply pressures or frequent fluctuation in either supply line is anticipated, it is strongly recommended that pressure regulators be installed.

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Thank You For Choosing Kohler Company

We appreciate your commitment to Kohler quality. Please take a few minutes to review this manual before you start installation. If you encounter any installation or performance problems, please don’t hesitate to contact us. Our phone numbers and website are listed on the back cover. Thanks again for choosing Kohler Company.

Tools and Materials

			Plus:
			• Shims
Pencil	Screwdrivers	Level	• Suction Cup (Provided)

Jigsaw/Saber	Drill	Sealant
Saw

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1/2" (1.3 cm) Min Clamp Arm Clearance

3-5/8" (9.2 cm)
	Clamp Arm
	3-5/8" (9.2 cm) –
	4-5/8" (11.7 cm)
4-1/2" (11.4 cm)	Wall Cavity
	Depth

8-1/2"

(21.6 cm)

7-5/8"

(19.4 cm)

3/16" (5 mm) Min – 2" (5.1 cm) Max Depth

										Cutout
7-11/16"										1/4" (6 mm) Min
										Interface Lip
(19.5 cm)
										Clearance

3-11/16" (9.4 cm)

Cutout Detail

8-Pin Interface Cable

30' (9.14 m)

4-Pin Auxiliary Interface Cable

30' (9.14 m)

Roughing-In

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. The interface(s) is/are powered through the connection(s) with the valve.

Install the valve prior to installing the interface(s).

Kohler Co. reserves the right to make revisions in the design of faucets without notice, as specified in the Price Book.

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30' (9.14 m) 4-Pin Interface Cable	Auxiliary Interface
	(Outside Shower)

Primary Interface

(Inside Shower)

Drip Loop

Power Supply

Connector

Drip Loop

Outlet

30' (9.14 m) 8-Pin Interface Cable

Drip Loop

Drip Loops

1. Preparation

If not already installed, install the digital valve at this time according to the instructions packed with the product.

NOTE: The optional auxillary interface, with the 4-pin cable, is located outside the showering enclosure, while the primary interface, with the 8-pin cable, is located inside the showering enclosure.

Determine all required components along with their installation locations before beginning this installation.

Custom showering experiences other than the preprogrammed options must be programmed into the interface prior to use. Refer to the ″Digital Interface Homeowners Guide.″

NOTE: The 8-pin cable is used for the primary interface and the 4-pin for the auxillary interface.

Verify that both the primary and auxillary interface are located so the interface cable easily spans the distance between the valve and interface connection.

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	Cutout	Wall	Shim
7-11/16"	Interface lip		Clamp Arm
(19.5 cm)
	1/4" (6 mm)
	3-11/16"
	(9.4 cm)

1/2" (1.3 cm) Min Clamp Arm Clearance

52" (132.1 cm)

3/16" (5 mm) Min –

2" (5.1 cm) Max Depth

2. Prepare the Site

NOTE: Portrait interface shown, landscape interface also available.

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.

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	Tuck clamp	Thinner Wall, 3/16" (5 mm) –
	arms into slots.
		1-1/4" (3.2 cm)

Apply silicone sealant.

Flip clamp arms for thicker wall material, 1-1/4" (3.2 cm) – 2" (5.1 cm).

Insert sleeve and untuck clamp arms.

Sleeve	Interface
	Control
	Knob

Cable

Do not use power screwdriver.

	18"	Secure cable.
	(45.7 cm)
		Drip Loop

Min

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.

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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.

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Power Supply

Screws

Power Supply

Optional External

Interface Cable

Molded Grommets	Drip Loop

Internal Interface Cable

Drip Loop

	Tab	Drip Loop
		Door
	Clip

4. Complete the Installation

IMPORTANT! Make drip loops in all cables and cords.

Press the clips to release and open the access door on the valve.

Slide the hinge side of the door in either direction until one side slips free.

Remove the door.

Connect the interface cable(s) to the valve.

Connect the power supply to the valve.

Verify all molded grommets are in place before closing the access cover.

Reinstall the access door.

To close the access door, press on the tabs until the clips snap into place.

Plug the power supply into the outlet.

5. Installation Checkout

Turn on the water supply to the valve.

Check all connections for leaks and make any adjustments as needed.

Turn on the main power supply. You should hear the valve power up and the power icon on the user interface will be lit with a green pulsing light.

If not already completed, refer to the ″Digital Interface Homeowners Guide″ to set up the interface.

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Installation Checkout (cont.)

NOTE: For more information about using the user interface and its menus, refer to the user interface Homeowners Guide.

At the main menu of the interface select SHOWER > Options > All On. This will select all connected components and purge the air from the system.

Check for leaks and make any adjustments as needed.

Verify that the water flow is sufficient for your showering needs.

6. Troubleshooting

CAUTION: Risk of personal injury. The valve may contain hot water; be careful when draining any residual water.

IMPORTANT! Turn off the power and water supply to the valve before performing any maintenance.

It is recommended that any valve maintenance should be performed by an authorized Kohler service representative.

This troubleshooting guide is for general aid only. For service and installation issues or concerns, call 1-800-4-KOHLER.

Troubleshooting Table

Symptoms		Probable Cause		Recommended Action
1.	Control panel is not lit.	A.	Power supply is not plugged	A.	Plug the power supply into the
			into the outlet.		outlet.
		B.	Power supply connection to the	B.	Check power supply connections to
			valve may be loose or		the valve and reconnect if needed.
			disconnected.
		C.	Interface cable connections may	C.	Check all interface cable
			be loose or disconnected.		connections, connect if needed.
		D. Circuit breaker has been		D. Reset the circuit breaker.
			tripped.
		E.	The valve memory may require	E.	Disconnect and reconnect the
			resetting.		power supply from the valve.
		F.	If none of the recommended	F.	Contact your Kohler Co. authorized
			actions for the above issues		service representative.
			correct the symptom, the valve
			or interface requires servicing.
2.	The interface power	A.	Interface cable connections may	A.	Check all interface cable
	indicator pulses but does		be loose or disconnected.		connections, connect if needed.
	not turn on.
		B.	If the above recommended	B.	Contact your Kohler Co. authorized
			action does not correct the		service representative.
			symptom, the interface or valve
			requires servicing.
3.	The interface functions	A.	Inlet/outlet fittings may be	A.	Check the inlets and outlets for
	normally but no water		blocked.		blockage or debris. Clean the inlet
	flows from the				screens. Refer to the ″Clean the
	components.				Inlet Screens″ section in the Valve
					Homeowners Guide.
		B.	Hot and cold water supplies are	B.	Turn on the water supply to the
			not turned on.		valve.
		C.	The valve memory may require	C.	Disconnect and reconnect the
			resetting.		power supply from the valve.
		D. System error.		D. Check the user interface for an
					error code. Refer to the
					″Diagnostics″ section in the Digital
					Interface Homeowners Guide.

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Troubleshooting (cont.)

Troubleshooting Table

Symptoms		Probable Cause		Recommended Action
		E.	If none of the recommended	E.	Contact your Kohler Co. authorized
			actions for the above issues		service representative.
			correct the symptom, the valve
			requires servicing.
4.	Maximum blend	A.	Incorrect maximum temperature	A.	Refer to the ″Set the Maximum
	temperature too hot or		setting.		Temperature″ section in the Digital
	too cold.				Interface Homeowners Guide.
		B.	If the above recommended	B.	Contact your authorized Kohler
			action does not correct the		service representative.
			symptom, the interface or valve
			requires servicing.
5.	Continuous flow.	A.	System will not switch off.	A.	Turn off the water and power
					supply and contact your Kohler Co.
					authorized service representative.
6.	Massage mode shuts	A.	Unequal flow rates between	A.	Verify the installation has one
	down but water continues		valve outlets.		bodyspray per valve outlet and
	to run from				uses bodysprays with the same
	showerhead(s).				flow rate. If needed, contact the
					installer to revise the installation.
		B.	Fluctuation of inlet pressure.	B.	Install pressure regulators in the
					supply lines.
		C.	Pressure difference greater than	C.	Install pressure regulators to bring
			5 psi (34.5 kPa) between the hot		the supplies with 5 psi (34.5 kPa)
			and cold supply lines.		of each other.
7. Only cold water flows		A.	Hot water supply is either not	A.	Check if the hot water supply is
	from the outlets.		turned on or not connected to		turned on and connected to the
			the valve inlet.		valve inlet.
		B.	Hot water inlet is blocked.	B.	Check if the hot water inlet screen
					for blockage. Clean or replace the
					inlet screen. Refer to the Valve
					Homeowners Guide.
		C.	If none of the recommended	C.	Contact your Kohler Co. authorized
			actions for the above issues		service representative.
			correct the symptom, the valve
			requires servicing.
8.	Fluctuating or reduced	A.	Inlet/outlet fittings may be	A.	Check the inlets and outlets for
	flow rate. Valve is		blocked.		blockage or debris. Clean the inlet
	functioning properly.				screens. Refer to the ″Clean the
					Inlet Screens″ section.
		B.	Water outlet pressure is low.	B.	Check that the flow rate is at or
					above the minimum rate required.
					Refer to ″Specifications″ section in
					the Valve Homeowners Guide.
		C.	Fluctuating flow.	C.	Verify that the dynamic inlet
					pressures are within specifications.
					Refer to ″Specifications″ section.
		D. If none of the recommended		D. Contact your Kohler Co. authorized
			actions for the above issues		service representative.
			correct the symptom, the valve
			requires servicing.
9. Blend temperature drift or		A.	Fluctuating water temperature.	A.	Check the inlet temperature
	temperature cycling.				differentials and verify they are
					sufficient. Refer to ″Specifications″
					section.
		B.	Hot water supply temperature	B.	Check and make adjustments as
			fluctuation.		needed.

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