Kohler K-528 Bedienungsanleitung

Installation Guide

Two-Outlet Thermostatic Valve

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-528

1145587-2-A

IMPORTANT INSTRUCTIONS

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

including the following:

DANGER: Risk of electric shock. Grounding is required. Connect only to circuits protected by a

Ground-Fault Circuit-Interrupter (GFCI) or Residual Current Device (RCD). 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 to the valve 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: Provide generous, unrestricted service access to the valve. Provide access for servicing the

valve and interface. This access must be located immediately next to the valve. Refer to the roughing-in

information.

1145587-2-A 2 Kohler Co.

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 86°F (30°C) Full cold may also be selected.

Default Temperature at Start-up 100°F (38°C)

Minimum Mixed Temperature

Differential from Hot Supply 3.6°F (2°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

Electrical Service 120 V, 15 A, 60 Hz

User Interface Cable Length (supplied) 20 ft (6.1 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

Hammer

Plus:

• (2) 1/2" Union Connectors

• Wood and Framing Materials

• PEX Tubing, Copper Tubing, or PVC

• (2) Water Hammer Arrestors (Recommended)

• (2) Supply Shut-Off Valves

Adjustable

Wrench Level Drill Solder Propane

Torch

Pencil Screwdrivers Pipe Wrench Hacksaw or Tube Cutter Wood Saw Sealant

Tape

Kohler Co. 3 1145587-2-A

Roughing-In

Before You Begin

NOTICE: Do not install the valve under a whirlpool surround or any location where the temperature may

reach temperatures over 104°F (40°C). The valve and its integrated power supply is 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

connections.

NOTICE: If the digital valve will be used for a bath/shower application, the bath ﬁll supply line must be

routed from the #1 outlet port.

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.

Provide access for servicing.

For optimum performance, 1/2″dedicated water supply lines are recommended.

When possible, install the valve prior to installing the interface(s).

9-7/16" (24 cm)

1-9/16"

(4 cm)

9-1/2"

(24.1 cm) 12-1/2"

(31.8 cm)

12-1/2"

(31.8 cm)

1-7/16"

(3.7 cm)

2-11/16"

(6.8 cm)

2-3/8"

(6 cm)

(5.1 cm) 1-13/16"

(4.6 cm)

13/16"

(2.1 cm)

1-5/16"

(3.3 cm)

8-1/16"

(20.5 cm)

3-3/8"

(8.6 cm)

10-3/16"

(25.9 cm)

11-5/8"

(29.5 cm)

13-3/8"

(34 cm)

(2.5 cm)

1145587-2-A 4 Kohler Co.

Before You Begin (cont.)

If possible, ﬂush all piping thoroughly before installing the valve to prevent clogging the inlet

ﬁlters. If the valve is installed when the pipes are ﬂushed, clean the inlet screens before using the

system.

This valve is not intended for single-outlet use.

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

proximity to the digital mixing valve.

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

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, IAPMO/cUPC, and UL.

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

in the Price Book.

Kohler Co. 5 1145587-2-A

1. Valve Mounting Conﬁgurations

NOTICE: Do not mount the valve with the inlets located at the top. Doing so will damage this product.

Vertical and horizontal mounting options are shown above. Do not mount the valve with the inlets

or cable sockets pointing up.

Mounting on a Horizontal SurfaceMounting on a Vertical Surface

1145587-2-A 6 Kohler Co.

2. Preparation

NOTICE: If the digital valve will be used for a bath/shower application, the bath ﬁll supply line must be

routed from the #1 outlet port.

NOTE: The two valve interfaces are identical. Either can be used for primary and secondary connections.

One is located outside the showering enclosure, while the other is located inside the showering enclosure.

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

installation.

When routing piping, keep in mind the numbers marked at each valve outlet must correspond to

the appropriate showering component for the preprogrammed or custom showering experiences to

function properly.

Coupler

Drip Loop

Drip

Loop

Power Cord

Outlet

Interface

20' (6.1 m) Cables

NOTE: Only one interface, installed inside the shower, is required.

An additional interface can be installed outside the shower.

Outlets

Supply Inlets

Kohler Co. 7 1145587-2-A

3. Prepare the Site

NOTE: Vertical wall installation shown. The valve can also be mounted to a horizontal surface. Refer to

the ″Valve Mounting Conﬁgurations″section.

This product is designed to ﬁt within a minimum 14-1/2″(36.8 cm) 2x4 stud cavity. If necessary to

modify the stud cavity, apply adequate bracing for mounting the valve.

Cross Brace MountBoard Mount

Notch bottom brace.

14-1/2" (36.8 cm) Min

2-3/4"

(7 cm)

Min

9-1/2"

(24.1 cm) 12-1/2"

(31.8 cm)

14-1/2" (36.8 cm) Min

11-5/8"

(29.5 cm)

16" (40.6 cm)

Centers

1145587-2-A 8 Kohler Co.

4. Install the Electrical Outlet

NOTICE: Do not install the valve under a whirlpool surround or in any location where the temperature

may reach temperatures over 104°F (40°C). The valve and its integrated power supply are rated to operate

in temperatures up to 104°F (40°C).

Install a 120 V GFCI electrical outlet, within the stud framing, in close proximity to the valve. Locate

the outlet above the valve allowing ample space to mount the valve in close proximity to the

outlet.

Place outlet higher

than valve.

Drip Loop

Power Cord

Kohler Co. 9 1145587-2-A

5. Assemble the Adapters and Unions

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.

Disassemble the adapter. Ensure all rubber and plastic components are removed.

Slide the union nut onto the inlet/outlet tube.

Solder the inlet/outlet tube to the union. Allow to cool completely.

Assemble the union.

Slide the adapter nut onto the inlet/outlet tube.

Assemble the adapter lock onto the inlet/outet tube and slide the assembly into the adapter nut.

Slide the O-ring onto the inlet/outlet tube.

For inlet tubes only: Insert the screen into the end of the inlet tube.

Reinstall the adapter assembly to the valve.

Repeat for all inlet/outlet tubes as required.

1/2" Union

Inlet/Outlet Tube

Adapter Nut

Screen (Inlets Only)

O-Ring

Adapter Lock

Solder this connection.

1145587-2-A 10 Kohler Co.

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