Kohler K-156 Instrucciones de montaje
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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