Kohler K-156 Instructions de montage

Installation and Care Guide

Walk-in Bath with Hydrotherapy

K-156

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1267113-2-C

Installation Instructions

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

including the following:

WARNING: Risk of electric shock. Connect only to a circuit protected by a Ground-Fault

Circuit-Interrupter (GFCI)*.

Building materials and wiring should be routed away from the whirlpool pump, blower motor, and other

heat-producing components of the unit.

Install to permit access for servicing.

A pressure wire connector marked ″Earth/Ground″is provided within the wiring compartment. To reduce

the risk of electric shock, connect this connector to the grounding terminal of your electric service or supply

panel with copper wire equivalent in size to the circuit conductor supplying this equipment.

Pressure wire connectors are provided on the exterior of the junction box or control within this unit to permit

connection of a bonding conductor between this unit and all other exposed metal in the vicinity, as needed to

comply with local requirements.

An equipment grounding terminal is provided in the ﬁeld wiring compartment. To reduce the risk of electric

shock, this terminal must be connected to the grounding means provided in the electric supply panel with a

conductor equivalent in size to the circuit conductors supplying this equipment.

Grounding is required. The unit should be installed by a qualiﬁed service representative, and grounded.

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

beginning installation.

WARNING: Risk of electric shock. A qualiﬁed electrician should make all electrical connections.

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

NOTICE: Follow all local plumbing and electrical codes. In Canada, install this unit in accordance with

the Canadian Electrical Code, Part 1.

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

Product Information

Electrical Requirements

The installation must have two Class A Ground-Fault Circuit-Interrupters (GFCI’s)*. The GFCI’s protect

against line-to-ground shock hazards. Use two 120 V, 20A, 50/60 Hz dedicated services for the bath.

If a power supply cord is damaged, it must be replaced by the manufacturer, its service agent or similarly

qualiﬁed persons in order to avoid a hazard.

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

Product Notices

WARNING: Unauthorized modiﬁcation may cause unsafe operation and poor performance of

the bath. Do not relocate the whirlpool pump or blower motor, or make other modiﬁcations to the

bath system, as this could adversely affect the performance and safe operation of the product.

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

by any such unauthorized modiﬁcation.

NOTICE: This product contains an automatic water purge mode that turns the blower on for 1 minute

approximately 30 minutes after the unit is turned off and drained.

1267113-2-C 2 Kohler Co.

Product Information (cont.)

NOTICE: Keep the area around the blower motor clean and free of sawdust, insulation, dirt, or other

small loose debris. Such material could plug the blower motor air intake and reduce the air ﬂow through

the blower.

Features

Factory assembled components include a whirlpool pump with power supply cord, harness, whirlpool jets,

in-line heater, blower with power supply cord, air harness, two air switch transmitters, a heated surface

component, user keypad, and keypad cable. Assembly is required for power wiring, faucet valve and trim,

handshower, drain, anti-scald valve, and plumbing connections.

Connections and Service Access

Before installation, ensure proper access to the ﬁnal connections.

Tools and Materials

Before You Begin

CAUTION: Risk of personal injury. This bath is extremely heavy. Obtain sufficient help to

carefully lift or move the bath.

CAUTION: Risk of personal injury. Do not remove, adjust, or alter any factory-installed

components of this product unless explicitly directed to within this installation guide.

CAUTION: Risk of personal injury. This product includes an anti-scald valve which requires

on-site installation. This anti-scald valve must be installed and adjusted according to the

instructions included to protect the bath user from scalding injury.

CAUTION: Risk of product damage. Do not support the bath by the rim.

NOTICE: This bath is designed for either a new three-wall alcove or an existing alcove for a standard 60″

(1524 mm) bath. For installation in an existing alcove, gap panels are provided and will likely require

cutting to ﬁt.

NOTICE: Plumbing codes require the use of the ﬂanges. Two ﬂange styles are included with this product.

Choose the appropriate ﬂanges for your installation.

Observe all local plumbing and building codes.

Plus:

• Circular Saw with

Masonry Blade

• Drop Cloth

• 2x4's or 2x6's

• Common Woodworking

and Plumbing Tools

and Materials

100% Silicone Sealant

3/4"

1/4" Hex

Wrench

Kohler Co. 3 1267113-2-C

Before You Begin (cont.)

This bath can be installed in either a new or existing installation. Follow the steps for your

installation.

This product includes a bath faucet, mixer valve, anti-scald valve, handshower, and drain which

must all be installed on-site.

The bath is designed for below-the-ﬂoor drain installation.

Unpack and inspect the bath for damage. Return the bath to the carton until installation.

Before installation, ensure proper access to the ﬁnal plumbing connections.

Install the bath to an adequately supported, level subﬂoor.

This bath is designed for alcove installation.

Provide properly-dimensioned framing.

This bath conforms to CSA B45.5/IAPMO Z124, ASME A112.19.7/CSA B45.10, ASME A112.19.15,

and UL 1795. All dimensions are nominal.

1267113-2-C 4 Kohler Co.

1. Prepare a New Site

NOTICE: Measure your product for site preparation. Note the model number located on the back of the

bath, then visit the product page at www.kohlerwalkinbath.com for additional information.

Make sure the ﬂooring offers adequate support for your bath. Verify the subﬂoor is ﬂat and level.

Construct 2x4 or 2x6 stud framing.

Make sure the drain location corresponds to the bath outlet.

This bath is designed for below-the-ﬂoor drain installation. For below-the-ﬂoor drain installations

which will drain to the opposite wall, measure and cut a channel in the subﬂoor to accommodate

the drain pipe and ﬁttings. Refer to the speciﬁcation sheet.

Measure and cut the drain hole in the subﬂoor. Install the drain pipe.

IMPORTANT! Reverse the water supply lines if the pipes will be routed from the opposite wall.

Install the water supply lines according to the speciﬁcation sheet.

Cap the water supplies, and check for leaks.

Construct

2x4 or 2x6

stud framing.

Verify that the subfloor offers adequate

support, and is flat and level.

Position

the rough

plumbing.

Channel

Kohler Co. 5 1267113-2-C

2. Prepare an Existing Site

NOTICE: Measure your product for site preparation. Note the model number located on the back of the

bath, then visit the product page at www.kohlerwalkinbath.com for additional information.

Remove existing tile from the alcove walls as needed to remove the old bath.

Remove the old bath from the alcove.

Carefully inspect the stud framing, subﬂoor, and the water supply and drain lines.

Make sure the ﬂooring offers adequate support for your bath. Verify the subﬂoor is ﬂat and level.

Refer to the speciﬁcation sheet on www.kohlerwalkinbath.com, and repair or replace the stud

framing and subﬂoor, as needed.

This bath is designed for below-the-ﬂoor drain installation. For below-the-ﬂoor drain installations

which will drain to the opposite wall, measure and cut a channel in the subﬂoor to accommodate

the drain pipe and ﬁttings. Refer to the speciﬁcation sheet.

Measure and cut the drain hole in the subﬂoor. Install the drain pipe.

IMPORTANT! Reverse the water supply lines if the pipes will be routed from the opposite wall.

Repair and reroute the water supplies as needed for the new bath.

Cap the water supplies, and check for leaks.

Drywall

Verify that the subfloor offers adequate

support, and is flat and level.

Carefully inspect the

existing stud framing, subfloor,

water supply, and drain lines.

Channel

1267113-2-C 6 Kohler Co.

3. Prepare the Bath

CAUTION: Risk of personal injury. This bath is very heavy. Obtain sufficient help to carefully lift

or move the bath.

CAUTION: Risk of personal injury. This product includes an anti-scald valve which requires

on-site installation. This anti-scald valve must be installed and adjusted according to the

instructions included to protect the bath user from scalding injury.

CAUTION: Risk of product damage. Do not support the bath by the rim.

IMPORTANT! Do not lift the bath by the faucet, ﬁttings, or drain. Lift only by the metal frame.

IMPORTANT! Do not damage the leveling feet by dragging or sliding the bath across the ﬂoor.

IMPORTANT! To prevent product damage while moving the bath, make sure the leveling feet are fully

extended to raise the bottom of the bath apron off the ﬂoor. Use a 1/4″hex wrench to fully extend the

leveling feet, if necessary.

Measure the overall product dimensions as well as the alcove opening.

Mark a cut line on the front bath apron, if needed.

Carefully clamp a strip of plywood behind the apron at the marked location to reinforce the apron

and prevent damage to the apron during cutting.

Use a circular saw with a masonry blade to trim the reinforced front bath apron so it will ﬁt into the

alcove.

NOTE: The handshower should be installed in the outside bath rim hole.

Install the drain, valve, anti-scald valve, faucet trim, and handshower to the bath according to the

installation instructions included in the boxes containing these products. Use the pre-drilled bath

rim holes for the valve, trim, and handshower.

Cutline

Plywood Strip

Clamps

Handshower Hole

Kohler Co. 7 1267113-2-C

4. Install the Gap Panel Clips

CAUTION: Risk of personal injury. This bath is very heavy. Obtain sufficient help to carefully lift

or move the bath.

IMPORTANT! Do not lift the bath by the faucet, ﬁttings, or drain. Lift only by the metal frame.

IMPORTANT! Do not damage the leveling feet by dragging or sliding the bath across the ﬂoor.

NOTICE: Complete these steps only if you will use the provided gap panel to ﬁll a gap between the bath

rim and the walls.

Use the hardware provided to secure the four gap panel clips to the bath rim. Use the pre-drilled

holes in the back and drain-end rim.

Gap Panel

Clip

1267113-2-C 8 Kohler Co.

5. Make Electrical Connections

WARNING: Risk of electric shock. Disconnect the power before performing the following

procedures.

WARNING: Risk of electric shock. Connect the pump motor, in-line heater, and blower/heated

surface to properly grounded, grounding-type receptacles protected by Ground-Fault

Circuit-Interrupters (GFCI’s) or Residual Current Devices (RCD’s). Do not remove the grounding

pins from the plugs. Do not use grounding adapters.

NOTICE: The pump motor, in-line heater, and blower/heated surface are equipped with cords and plugs.

A qualiﬁed electrician must install two GFCI- or RCD-protected, 120 V, 20 A, grounded outlets for the

system. No other load should be on these circuits.

NOTE: A label identifying the model number and electrical rating of the product is located near the

whirlpool pump.

Install two electrical outlets behind the bath, at least 1-1/2″(38 mm) above the subﬂoor, and within

24″(610 mm) of the power cords.

NOTE: Make sure the air actuator tubing is securely attached to the pump and the blower, and is not

kinked or damaged.

Install the outlets at least

1-1/2" (38 mm) above the

subfloor, and within 24"

(610 mm) of the power cords.

Two GFCI-Protected

120 V, 20 A Grounded Outlets Bath shown in alcove

for perspective.

In-line

Heater

Heated

Surface and

Blower

Whirlpool

Pump

Kohler Co. 9 1267113-2-C

6. Level the Bath

CAUTION: Risk of personal injury. This bath is very heavy. Obtain sufficient help to carefully lift

or move the bath.

IMPORTANT! Do not lift the bath by the faucet, ﬁttings, or drain. Lift only by the metal frame.

IMPORTANT! Do not damage the leveling feet by dragging or sliding the bath across the ﬂoor.

NOTICE: Lift the bath by the metal frame whenever possible.

With help, carefully lift the bath into the alcove.

Conﬁrm that the drain and water supply connections line up with the drain and valve.

NOTE: The leveling feet have internal hex holes in the top of the threaded studs.

Lower the bath so the apron is ﬂush with the ﬂoor by turning the leveling feet counterclockwise

with a 1/4″hex wrench.

Check the bath for level in several locations along the rim.

Level the bath by using a 1/4″hex wrench to turn the leveling feet up or down as needed. Make

sure all four leveling feet are making contact with the ﬂoor surface.

Use a ratchet wrench with 3/4″deep socket to tighten the nuts and washers against the metal frame

to secure the leveling feet.

Lowers

Bath

Raises

Bath

Leveling

Foot

Locations

1267113-2-C 10 Kohler Co.

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