Kohler K-682 Manuale utente

Installation Guide

Digital Thermostatic Valve

K-682

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″

1043183-2-E

IMPORTANT INSTRUCTIONS

WARNING: When using electrical products, basic precautions should always be followed,

including the following:

WARNING: Risk of electric shock. A qualiﬁed electrician should route all electrical wiring.

WARNING: Risk of electric shock. Disconnect power before servicing.

WARNING: Unauthorized modiﬁcation may cause poor performance of the valve. Do not make

modiﬁcations to the valve as this could adversely affect the performance of the valve and void the

warranty. Kohler Co. shall not be liable under its warranty or otherwise for personal injury or

damage caused by any such unauthorized modiﬁcation.

WARNING: Risk of injury or property damage. Please read all instructions thoroughly before

beginning installation.

NOTICE: Follow all plumbing, electrical, and building codes.

NOTICE: Some electrical codes require a circuit protected by a Ground-Fault Circuit-Interrupter (GFCI)*.

NOTICE: Provide unrestricted service access to the valve.

*Outside North America, this device may be known as a Residual Current Device (RCD).

___________________________________________________________________________________________________

Operation with DTV, DTV II, or DTV+

DTV: The valve is controlled from one or two user interfaces that connect directly to the valve.

DTV II: To connect the valve to the DTV II system, the K-638 media module is required.

DTV+: To connect one or two valves to the DTV+ system, the K-99695 system controller and

K-97172 data cable(s) are required.

Refer to the appropriate sections in this guide for your system conﬁguration.

Speciﬁcations

Pressures

Maximum Static Pressure 125 psi, 862 kPa, 8.6 bar

Supply Pressure Differential* Max 5 psi, 34.5 kPa, 0.34 bar differential Hot pressure should be equal

to or less than cold pressure.

Minimum Flow Rate 1.6 gal/min (Less than 72 psi dynamic pressure.)

6 l/min (Less than 500 kPa maintaining pressure.)

2.1 gal/min (Greater than 72 psi dynamic pressure.)

8 l/min (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

Differential from Hot Supply 3.6°F (2°C)

Optimum Thermostatic Control Range 86°F (30°C) to 120°F (49°C)

Temperature Stability at Recommended

Supply Conditions +/- 1.6°F (1°C)

Ambient Temperature Greater than 34°F (1°C), Max 104°F (40°C)

Maximum Relative Humidity 95% non-condensing

Electrical

1043183-2-E 2 Kohler Co.

Speciﬁcations (cont.)

Pressures

Electrical Rating 100-240 VAC, 50-60 Hz, 1.5 A

User Interface Cable Length (supplied) 30’ (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.

Tools and Materials

Plus:

• (2) 3/4" and (6) 1/2" Union Connectors

• Wood and Framing Materials

• PEX Tubing or Copper Tubing

• (2) Water Hammer Arrestors (Recommended)

• (2) Supply Shut-Off Valves

Solder Propane

Torch

Hacksaw or Tube Cutter Sealant

Tape

Kohler Co. 3 1043183-2-E

Roughing-In

Before You Begin

NOTICE: Do not install the valve or power supply under a whirlpool surround or any location where the

temperature may exceed 104°F (40°C). The power supply and valve are rated to operate in temperatures

up to 104°F (40°C).

NOTICE: Do not apply excessive heat near the valve or apply ﬂux or acids directly onto the valve. This

valve contains plastic and rubber components which will melt if heat is directly applied.

NOTICE: Do not apply petroleum-based lubricants to the valve components. Doing so will damage the

valve components.

NOTICE: Do not use oil-based, non-setting compounds, such as plumbers putty, on the threaded inlet

and outlet connections. Use sealant tape or liquid sealant.

NOTICE: Do not allow any outlet to ﬂow more than 10 gal/min (37.9 l/min).

Read these instructions and determine the locations of all required components before beginning

installation.

When possible, install the valve before installing the other components.

If possible, ﬂush all piping thoroughly before installing the valve. If the pipes are ﬂushed after the

valve is installed, clean the inlet screens before using the system.

A qualiﬁed electrician should install a 120 V electrical outlet, within the stud framing, in close

proximity to the valve. A GFCI outlet may be required in certain applications.

If possible, install the electrical outlet prior to installing the valve.

20-1/8" (511 mm)

21-5/16" (541 mm)

5-15/16"

(151 mm)

30-7/8"

(784 mm)

22-1/4" (565 mm)

1/2" NPT Outlets (6)

3/4" NPT Inlets

Cold

Hot

1-3/4" (44 mm)

3-1/16" (78 mm)

2-3/16" (56 mm)

1-5/16" (33 mm)

3-3/16"

(81 mm)

(51 mm)

(76 mm)

7-3/8"

(187 mm)

9-3/16"

(233 mm)

2-1/8"

(54 mm)

3-5/16"

(84 mm)

13' - 1/8"

(3968 mm)

1043183-2-E 4 Kohler Co.

Before You Begin (cont.)

For optimum valve performance, the water heater should be set at 120°F (49°C). Hot water pressure

should be equal to or less than the cold water pressure.

This valve complies with UL1951, ASME A112.18.1, ASSE 1016, CSA B125, and CSA C222 No.

218.2-93. This valve is listed with ASSE, CSA, IAPMO/UPC, and UL.

Special Considerations for Large Showering Systems

Showering conﬁgurations using large water volumes require supply piping and drain systems that

will sufficiently accommodate the actual total ﬂow rate at any one time.

Hot water generation: Use a water heating system capable of handling large ﬂow rates. Tankless

(on-demand) water heaters and recirculating pumps may not be adequate for your showering

conﬁguration.

Kohler Co. 5 1043183-2-E

1. Plan the System Layout

NOTE: The original DTV system is shown above. The interface cables do not connect directly to the valve

for DTV II and DTV+.

Determine the locations of all required components before beginning installation.

DTV (shown above): The primary interface, with the 8-pin cable, is located inside the showering

enclosure. An optional auxiliary interface, with the 4-pin cable, can be installed outside the

showering enclosure.

DTV II: Refer to the K-638 media module installation guide for system layout and required

components.

DTV+: Refer to the K-97172 data cable installation guide for system layout and required

components.

When routing piping, the numbers marked at each valve outlet must correspond to the appropriate

shower ﬁtting for pre-programmed or custom showering experiences to function properly.

Custom showering experiences must be programmed into the interface prior to use. Refer to the

″Homeowners Guide″or ″Users guide″for the interface or controller for your system.

Drip

Loop

Drip Loops

Drip Loop

Outlet

Power Supply

30' (9.14 m)

8-Pin Interface Cable

Connector

Primary Interface

(Inside Shower)

30' (9.14 m)

4-Pin Interface Cable Auxiliary Interface

(Outside Shower)

NOTE: Original DTV

System Shown

1043183-2-E 6 Kohler Co.

2. Mounting Conﬁgurations

NOTICE: Do not mount the valve with the inlets pointing up or positioned above the outlet ports. Doing

so will damage this product.

Vertical and horizontal mounting options are shown above.

Mounting on a Horizontal SurfaceMounting on a Vertical Surface

Inlets

Kohler Co. 7 1043183-2-E

3. Shower Conﬁgurations (DTV and DTV II)

NOTE: Pre-programmed shower conﬁgurations are shown; other options are possible. Conﬁgurations

other than the pre-programmed options will LIMIT the pre-programmed massage functions.

Massage functions that correspond with custom conﬁgurations can be programmed. Refer to the

″Digital Interface Homeowners Guide.″

The bodyspray to valve outlet ratio must be 1:1. All bodysprays must have equal ﬂow rates;

unequal ﬂow rates will cause the massage mode to shut down. See examples below:

Correct: Four bodysprays using four outlets, one per bodyspray (1:1). See the ″Envelop″conﬁguration above.

Incorrect: Four bodysprays using three outlets; two bodysprays each installed to one valve outlet (1:1), and

the other two bodysprays installed to one valve outlet (2:1).

Frontage Envelop

Unwind Linear

Downpour Surround If bodysprays, watertiles

or watertile showerheads

are present in these

outlets, they will not cycle.

Ceiling

Wall 1

Wall 2

Wall 3

Floor

Wall 1 Wall 2

Floor

CH 12 34 56

CH 12 34 56 CH 12 34 56 CH 12 34 56

CH 12 34 56

12 3

1043183-2-E 8 Kohler Co.

4. Custom Shower Conﬁgurations (DTV and DTV II)

Draw in the ﬁttings for your custom shower.

Draw lines from the valve to each ﬁtting. Be aware that:

•Outlet 1 should be the primary showerhead.

•The installer must determine the desired sequence for Single mode and plumb the ports to the

bodysprays accordingly.

•Custom mode will allow the user to select a different water outlet as the primary showerhead, but it

is not recommended.

•In Custom mode, the bodysprays will cycle up the solenoid bank regardless of which port is the

primary outlet.

Ceiling

Wall 1

Wall 2

Wall 3

Floor

Wall 1 Wall 2

Floor

CH 12 34 56

Kohler Co. 9 1043183-2-E

5. Massage Cycling Conﬁgurations (DTV and DTV II)

NOTE: Primary outlets and any outlets designated as handshowers will not be included in the cycling

pattern. For installations that include both bodysprays and watertiles, the outlets designated as watertiles

will not cycle.

For massage cycling conﬁgurations for DTV+, refer to the guide found on the K-99695 controller

product page at www.us.kohler.com.

Single Dual Wave

Dual 3

Single Dual 1

Wave

Dual 2

Unwind

Envelop

Frontage

Single

Dual 3

Dual 1 Dual 2

Wave

= On while cycling

Configuration 1

Configuration 2

Configuration 3

= Constant on

1043183-2-E 10 Kohler Co.

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