Kohler K-702 User manual

Installation Guide

Drop-In Bath Whirlpool

K-702, K-712, K-772,

K-792, K-809, K-812,

K-842, K-845, K-852,

K-856, K-865, K-870,

K-872

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”

1018963-2-C

Important Information

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).

Building materials and wiring should be routed away from the pump body 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.

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

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

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

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

beginning installation, including the following requirements.

NOTICE: Follow all local plumbing and electrical codes.

Product Information

Electrical Requirements

The installation must have a Class A Ground-Fault Circuit-Interrupter (GFCI) or Earth-Leakage

Circuit-Breaker (ELCB). The GFCI or ELCB protect against line-to-ground shock hazard. Use a 220 - 240 V, 20

A, 50/60 Hz dedicated service for the whirlpool.

Product Notices

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

whirlpool. Do not relocate the whirlpool pump, or make other modiﬁcations to the whirlpool system,

as this could adversely affect the performance and safe operation of the whirlpool. Kohler Co. shall not

be liable under its warranty or otherwise for personal injury or damage caused by any such

unauthorized modiﬁcation.

Features

″-N1″Series: Components include a pump, heater, control, shut-off valve, neckjets, pulse cannister, and

illuminated switch (user keypad).

″-H2″Series: Components include a pump, heater, control and illuminated switch (user keypad).

The whirlpool pump and piping are factory-assembled.

Connections and Service Access

Before installation, ensure proper access to the ﬁnal connections.

1018963-2-C 2 Kohler Co.

Product Information (cont.)

NOTICE: Provide generous, unrestricted service access to the pump. You must provide access for

servicing the pump and controls. The access must be located immediately next to the pump. Study the

roughing-in information packed with the whirlpool.

Table of Contents

Important Information .............................................................. 2

Product Information ............................................................... 2

Electrical Requirements .......................................................... 2

Product Notices ................................................................ 2

Features ..................................................................... 2

Connections and Service Access ................................................... 2

Thank You For Choosing Kohler Company .............................................. 3

Before You Begin ................................................................. 4

Tools and Materials ............................................................... 4

Prepare the Site ................................................................. 5

Prepare the Site ................................................................. 6

Prepare the Whirlpool ............................................................. 6

Install the Whirlpool ............................................................... 7

Cut the Pump Banding Straps ....................................................... 7

Install the Plumbing ............................................................... 8

Make Electrical Connections ......................................................... 8

Install the Whirlpool Trim Kit ........................................................ 10

Install the Neckjet Pillow (″-N1″Series Only) ............................................ 10

Test Run the Whirlpool ............................................................ 10

Complete the Finished Wall/Deck .................................................... 12

Complete the Concrete Installation ................................................... 12

Clean-Up After Installation ......................................................... 12

Conﬁrm Proper Operation .......................................................... 13

Operating Sequence ............................................................. 13

Troubleshooting Procedures ........................................................ 14

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

Company.

Kohler Co. 3 1018963-2-C

Before You Begin

WARNING: Risk of personal injury. Your cast iron whirlpool is extremely heavy. Obtain sufficient

help to carefully lift and move it.

CAUTION: Risk of product damage. Do not lift the whirlpool by the piping or pump, or use the

piping or pump for structural support of the whirlpool.

We recommend this whirlpool for drop-in, corner, or alcove installation.

Inspect the whirlpool for damage before you begin installation.

You must install this whirlpool to an adequately supported, level subﬂoor.

Tools and Materials

Plus:

• Conventional woodworking or concrete

installation tools and materials

• Drop cloth

• Metal shims

• 2x4's

Silicone Sealant Measuring Tape Pencil Tin Snips Level

Safety Glasses Pipe Wrench

1018963-2-C 4 Kohler Co.

1. Prepare the Site

Concrete Construction

NOTICE: Adequate ﬂoor support must be provided. Consult the roughing-in sheet packed with your

whirlpool for speciﬁc ﬂoor loading requirements.

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

Make sure the ﬂooring offers adequate support for your whirlpool, and verify that the subﬂoor is

ﬂat and level.

This whirlpool may be installed next to the wall or in an island installation. An island installation

requires a four side surround. In both instances, make sure the deck is supported by brick or

concrete.

Install an access panel to allow the pump to be serviced.

Construct brick or concrete supports.

Provide a 1/16″(2 mm) gap between the whirlpool rim and the concrete or brick framing. Frame

the ﬂoor, or construct a frame for a raised installation, in accordance with the roughing-in

information packed with the whirlpool.

Position the plumbing according to the roughing-in information packed. Cap the supplies, and

check for leaks.

Brick

Bath

1/16"

(2 mm)

Tile

Approved

Tile Backing

Typical

access

panel

Tile

Approved

Tile Backing

Brick

Whirlpool may be installed

next to the wall or as an

island installation

Install an access panel to allow

the pump to be serviced

Kohler Co. 5 1018963-2-C

2. Prepare the Site

Wood Construction

NOTICE: Adequate ﬂoor support must be provided. Consult the roughing-in sheet packed with your

whirlpool for speciﬁc ﬂoor loading requirements.

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

Make sure the ﬂooring offers adequate support for your whirlpool, and verify that the subﬂoor is

ﬂat and level.

The whirlpool may be used in a drop-in, corner, or alcove installation. Construct 2x4 stud framing

designed for your particular installation. Frame the ﬂoor, or construct a frame for a raised

installation in accordance with the roughing-in information packed with the whirlpool.

Use the roughing-in cut-out information to carefully lay out and cut the rough deck material.

Install an access panel to allow the pump to be serviced.

Position the plumbing according to the roughing-in information. Cap the supplies, and check for

leaks.

3. Prepare the Whirlpool

We recommend a tiling-in bead for straight-rimmed whirlpools, if one or more sides of the

whirlpool contact a wall. This bead prevents water from seeping between the whirlpool rim and the

wall. Follow the instructions packed with the tiling-in bead to install the bead now.

Install the drain to the whirlpool according to the drain manufacturer’s instructions. Do not connect

the trap at this time.

Position a clean drop cloth or similar material in the bottom of the whirlpool. Be careful not to

scratch the surface of the whirlpool.

Construct 2x4

stud framing

according to

the roughing-

in information.

Position

the rough

plumbing.

Verify that the subfloor

offers adequate support,

and is flat and level.

Typical access panel

Frame the floor according to

the roughing-in information.

Position the

rough plumbing.

Verify that the subfloor offers

adequate support, and is flat

and level.

Typical access panel

1018963-2-C 6 Kohler Co.

4. Install the Whirlpool

WARNING: Risk of personal injury. This cast iron whirlpool is extremely heavy. Obtain sufficient help

to carefully lift and move it.

CAUTION: Risk of product damage. Do not lift the whirlpool by the piping or pump, or use the

piping or pump for structural support of the whirlpool.

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

Carefully move the whirlpool into position. Insert the drain tailpiece into the trap.

Level the whirlpool by ﬁtting metal shims under the whirlpool feet as needed. Check for level along

the top of the whirlpool, and across the drain side. If the feet are not accessible from the back or

side, move the whirlpool in and out of position to shim it properly. Make sure the whirlpool is

resting on all four feet.

5. Cut the Pump Banding Straps

IMPORTANT! This step is necessary to make your Kohler whirlpool operate more quietly.

Use tin snips to cut the two pump banding straps from the whirlpool pump.

NOTE: Do not raise the pump higher than it was before you cut the pump banding straps. If the pump is

raised too high, it will not prime properly. Make sure the rubber isolation feet are in place.

To minimize whirlpool noise and vibration, be sure the pump is not in direct contact with the

shipping bracket after the pump banding straps are cut. The pump control contains rubber isolation

feet to reduce pump noise.

Level by fitting metal shims

under the whirlpool feet.

Pump

Wiring

Harness

Rubber Isolation Feet

Control

Cut the pump banding straps.

Kohler Co. 7 1018963-2-C

6. Install the Plumbing

CAUTION: Risk of property damage. Ensure a watertight seal on the whirlpool drain.

Connect the drain to the trap according to the drain manufacturer’s instructions.

NOTICE: An access panel will simplify future maintenance.

Install the faucet valving according to the faucet manufacturer’s instructions. Do not install the

faucet trim until instructed. Open the hot and cold water supplies, and check the supply

connections for leakage.

Run water into the whirlpool, and check the drain connections for leakage.

If your whirlpool requires grip rails, install them now according to the installation instructions

packed with the grip rails.

7. Make Electrical Connections

NOTE: The whirlpool model number is printed on a label near the whirlpool pump. This label also

identiﬁes the electrical rating of the whirlpool. All whirlpools come equipped with a wiring junction box

and will only operate at 220 V through 240 V and at 50 Hz or 60 Hz.

WARNING: Risk of electric shock. To reduce the risk of electric shock, connect the pump to a

properly grounded Ground-Fault Circuit-Interrupter (GFCI) or Earth-Leakage Circuit-Breaker (ELCB).

This will provide additional protection against line-to-ground shock hazard. A 220 - 240 V, 20 A, 50/60

Hz dedicated circuit is required.

WARNING: Risk of electric shock. Make sure the power has been disconnected before performing the

following procedures.

The whirlpool controls and system have been prewired at the factory. A licensed electrician should

make a routine service connection to the junction box.

Connect service to the junction box. The junction box contains blue, brown and green with a yellow

stripe colored wires and a ground lug.

Provide a separate equipment earthing conductor for the earth lug located inside the junction box.

The earthing conductor must not be connected to any current-carrying conductor. Follow local

electrical codes. Bond in accordance with national and local codes.

A wiring harness has been prewired at the factory, allowing communication between the keypad, all

features, and the control. No additional wiring is required, but ensure that all wires are securely

fastened.

Ground (Green with

Yellow Stripe)

Blue

Supply 60 Hz 50 Hz From Control

L1 L1 Brown

L2 N Blue

Electrician to

provide suitable

strain relief.

The junction box should be

wired as shown. Bond in accordance with

national and local codes.

Wire

Connectors

From Control

Brown

Heater (models may

vary) T-style (shown)

or inline (not shown)

Heater Electrical Cord

Wiring

Harness

Junction

Box Control

Pump

Electrical

Cord

1018963-2-C 8 Kohler Co.

Make Electrical Connections (cont.)

NOTE: Your wiring harness includes an antenna for the optional remote control. Do not alter or damage

this antenna during installation.

Kohler Co. 9 1018963-2-C

8. Install the Whirlpool Trim Kit

Install the whirlpool trim kit according to the instructions packed with the trim kit. Pay particular

attention to the jet installation steps below - they are very important and are included here to help

you obtain smooth, trouble-free jet operation.

NOTE: The jet O-ring must be correctly positioned, must be lubricated, and must be in good condition to

permit easy rotation and proper operation of the jet.

Install the O-ring onto the ﬁrst shoulder of the jet. Lubricate the O-ring with silicone lubricant to

prevent noisy operation of the jet.

Carefully insert the jet into the housing, and lightly push and rotate the jet until it snaps into

position. Do not force the jet.

NOTE: When installed correctly, the jet should turn smoothly both clockwise and counterclockwise.

9. Install the Neckjet Pillow (″-N1″Series Only)

The whirlpool is supplied with one pillow and two slip covers. The pillow includes a built-in

magnetic reed switch. The neckjets will not operate unless the pillow is installed. Always use a slip

cover to prevent water from spraying from the whirlpool.

Choose a slip cover, and ﬁt it over the pillow.

Carefully slide the pillow down onto the neckjet body grooves until it is secure. The neckjets are

now ready for use.

We recommend periodic cleaning of the slip cover. Follow the cleaning instructions on the label

attached to the slip cover.

10. Test Run the Whirlpool

Check all electrical connections, and make sure the electrical power to the whirlpool is turned on.

Make sure all union connections to the pump and heater are securely hand tightened.

Verify that the pump banding straps have been cut, and that the pump control is resting directly on

the subﬂoor. Ensure that the rubber isolation feet are in place.

Fill the whirlpool to a level at least 2″(5.1 cm) above the top of the highest jet.

Operate the whirlpool for 5 minutes (refer to the ″Operating Sequence″section) and check all

whirlpool piping connections, on the back side, for leaks.

Slide the O-Ring

onto the first

shoulder of the jet.

Inspect and

lubricate the

O-Ring.

Insert the jet into the housing,

and lightly push and rotate

until it snaps in position.

Housing

Slide the pillow onto

the neckjet body.

Fit the slip cover

over the pillow.

Neckjet Body

1018963-2-C 10 Kohler Co.

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