Kohler K-4026 User Manual

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Homeowners Guide

Toilet with Bidet Seat

K-4026

M product numbers are for Mexico (i.e. K-12345M)
Los números de productos seguidos de M corresponden a México
(Ej. K-12345M)
Français, page “Français-1”
Español, página “Español-1”

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Important Information

READ AND FOLLOW ALL INSTRUCTIONS

Important Safeguards

WARNING: To reduce the risk of burns, electrocution, fire, or injury to persons:

IMPORTANT! When using electrical products, especially when children are present, basic safety

precautions should always be followed, including the following:

Close supervision is necessary when this product is used by, on, or near children or invalids.
Use this product only for its intended use as described in this manual. Do not use attachments not

recommended by the manufacturer.
Never operate this product if it has a damaged cord or plug, if it is not working properly, if it has

been dropped or damaged, or dropped into water. Return the product to a service center for
examination and repair.

Keep the cord away from heated surfaces.
Never block the air openings of the product. Keep the air openings free of lint, hair, and other

debris.
Never use while sleeping or drowsy.
Never drop or insert any object into any opening or hose.
Do not use outdoors or operate where aerosol (spray) products are being used or where oxygen is

being administered.
Connect this product to a properly grounded outlet only.

SAVE THESE INSTRUCTIONS

Remote Control Compliance

FCC ID: N82-KOHLER014 – Compliance Statement (Part 15.19)

This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:

1. This device may not cause harmful interference, and

2. This device must accept any interference received, including interference that may cause undesired
operation.

Warning (Part 15.21)

Changes or modifications not expressly approved by the party responsible for compliance could void the
user’s authority to operate the equipment.

FCC Interference Statement (Part 15.105 (b))

NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device,
pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against
harmful interference in a residential installation. This equipment generates, uses, and can radiate radio
frequency energy and, if not installed and used in accordance with the instructions, may cause harmful
interference to radio communications. However, there is no guarantee that interference will not occur in a
particular installation. If this equipment does cause harmful interference to radio or television reception,
which can be determined by turning the equipment off and on, the user is encouraged to try to correct the
interference by one of the following measures:

•

Reorient or relocate the receiving antenna.

•

Increase the separation between the equipment and receiver.

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Remote Control Compliance (cont.)

•

Connect the equipment into an outlet on a circuit different from that to which the receiver is
connected.

•

Consult the dealer or an experienced radio/TV technician for help.

RF Exposure Warning

This portable transmitter with its antenna complies with FCC’s RF exposure limits for general
population/uncontrolled exposure.

This device must not be co-located or operated in conjunction with any other antenna or transmitter.

CANADA IC: 4554A-KOHLER014

Industry Canada Statement per Section 4.0 of RSP-100

The term [IC:[ before the certification/registration number only signifies that the Industry Canada technical
specifications were met.

Section 7.1.5 of RSS-GEN

This device complies with Industry Canada licence-exempt RSS standard(s).
Operation is subject to the following two conditions:

1. This device may not cause interference, and

2. This device must accept any interference, including interference that may cause undesired operation of the
device.

Section 2.6 of RSS-102

This portable transmitter with its antenna complies with Industry Canada RF Exposure Limits for General
Population/Uncontrolled Exposure.

Modifications: any modifications made to this device that are not approved by Kohler Co. may void the
authority granted to the user by the FCC to operate this equipment.

This Class B digital apparatus complies with Canadian ICES-003.

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Sensor Area

Seat
Sensor Area

Bidet
Wand

Rear Wash

Front Wash

Manual Controls

Seat Sensor Area

Dryer

Actuation Switch

Remote Control
Signal Sensor

Light Level Sensor

Power On/Off

Features - Toilet

NOTE: Many of the features listed here can be adjusted, enabled or disabled using the remote control.
Specific directions for these procedures are listed later in this manual.

General Features

Automatic Flushing - When enabled, this feature automatically flushes the toilet after the user
stands up, lowers the seat, or leaves the area 60 seconds after use. The toilet arrives with this feature
enabled.

Automatic Open/Close - When enabled, the seat cover will automatically open when the toilet is
approached. The seat and seat cover will automatically close 3 minutes after the toilet is used. The
toilet arrives with this feature enabled.

Power Save Mode - The toilet can be programmed to conserve energy. When toilet sleep mode is
enabled the toilet will enter and exit an energy conservation mode at the times programmed. The
toilet arrives with this feature enabled, set to 6 hours.

Deodorizer - The deodorizer eliminates or reduces unpleasant odors when enabled. It will begin
operation when the user sits down.

Manual Controls - Allows the user to control basic toilet features without the remote control.
Heated Seat - When activated, the seat features an adjustable heating option that will keep the seat

warm. The toilet arrives with this feature enabled.
Night Light - The night light will automatically turn on in low light conditions when this feature is

enabled. The toilet arrives with this feature enabled.

Bidet Features

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Features - Toilet (cont.)

Front/Rear Wash - Front and rear wash feature adjustable positioning, adjustable water temperature,
adjustable water pressure, and pulsate and oscillate water action.

Dryer - The dryer features adjustable air temperature.

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Manual Flush

Signal Window

Preset 1 & 2

Wake Up

Signal Window

Seat and Seat Cover Open

Seat Cover Open / Seat Close

Seat Cover Close

Front Wash

Stop

Selection Adjustment
Arrows

Menu

Stop

Menu

Front Rear

OscillatePulsate

DryerDeodorizer

Rear Wash

Oscillate

Dryer

Pulsate

Infrared Sending Indication

Time Display

Temperature

Pressure

Selection Box

Wand Position

Auto Open/Close

Battery Low Display
Power Save

Auto Flush
Preset

Features - Remote Control

Top of Remote Control

Manual Flush - Press to flush the toilet.
Presets 1 and 2 - Allows two sets of user settings to be saved. Select one of these buttons to use the

settings saved with that preset.

Wake Up - Press to activate the remote control when it is hibernating.
Seat Cover Close - Press to close the cover.
Seat Cover Open/Seat Close - Press to open the seat cover or close the seat.
Seat and Seat Cover Open - Press to open the seat cover and seat.
Signal Window - Signal emanates from this area. The signal window should not be covered when

the remote control is in use.

Deodorizer

Front of Remote Control

Stop - Press to stop the bidet wash and deodorizer.
Selection Adjustment Arrows - Press to change the selections shown in the display window, adjust

settings, or change the options on features.

Menu - Press to activate or deactivate features, program features, and program the clock.
Front - Press to activate the front wash.
Rear - Press to activate the rear wash.
Pulsate - Press to activate pulsating action from the bidet wand. Water pressure will vary while

pulsating action is activated.

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Features - Remote Control (cont.)

Oscillate - Press to activate or deactivate oscillating action on the bidet wand. When oscillate is
activated the wand slides in and out.

Deodorizer - Press to activate or deactivate the deodorizer feature. When activated the deodorizer
fan will turn on.

Dryer - Press to activate the dryer.

Display Screen On Remote Control

Time or Feature Display - This area will display the time when the remote control is not in use. The
active feature will be displayed when the remote control is in use. When the menu option is selected
the features will display here.

Temperature - Select this icon to adjust the water temperature or air temperature when the bidet
features are in use. Press the left arrow to decrease the temperature or right arrow to increase the
temperature.

Pressure - Select this icon to adjust the water pressure when front or rear wash are activated.
Selection Box - Appears around a feature that is selected. That feature can then be adjusted using

the right and left arrows. Move the box to another option by using the up or down arrows.
Wand Position - Select this icon to adjust the position of the wand. Press the left arrow to move the

wand back or right arrow to move the wand forward.
Infrared Sending Indication - The remote control is connected to the toilet when this icon is

present.

Low Battery Indicator - Batteries need replacement when this icon is present.
Power Save - The remote control is inactive when this icon is present.
Auto Flush - The auto flush feature is activated when this icon is present.
Preset - One of the user presets is selected when this icon is present.
Auto Open/Close - When this icon is pictured the auto open/close feature is activated. The feature

is deactivated if this icon is not present.

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Manual Flush

Signal Window

Preset 1 & 2

Wake Up

Signal Window

Seat and Seat Cover Open

Seat Cover Open / Seat Close

Seat Cover Close

Front Wash

Stop

Stop

Front Rear

Selection Adjustment
Arrows

OscillatePulsate

Menu

Menu

DryerDeodorizer

Infrared Sending Indication

Time Display

Temperature

Pressure

Selection Box

Wand Position

Auto Open/Close

Battery Low Display
Power Save

Auto Flush
Preset

Feature Setup or Changes

Clock

Press the [Wake Up] button.
Press the ″Menu″ icon and press the up or down arrow until [Clock set] is displayed.
Press the right arrow. Select [12H] or [24H] for the display style using the up or down arrows.
Press the right arrow and adjust the hour using the up and down arrows. The hours will also

change the [am] or [pm] setting.
Press the right arrow and adjust the minutes using the up or down arrows.
Press the ″Menu″ icon to save the setting.

Rear Wash

Oscillate

Dryer

Pulsate

Deodorizer

Auto-flush

Press the [Wake Up] button.
Press the ″Menu″ icon and press the up or down arrow until [Auto-flush] is displayed.
Press the right arrow, and change the setting to [Auto-flush:on] or [Auto-flush:off] using the up or

down arrows.
Press the ″Menu″ icon to save the setting.

Power save

NOTE: Power save mode deactivates the heated seat. When the toilet is in power save mode the indicator
light in the sensing window appears red.

Press the [Wake Up] button.
Press the ″Menu″ icon and press the up or down arrow until you find [Power save].

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Feature Setup or Changes (cont.)

Press the right arrow and change the setting to [Timer: off ], [Timer: 3 hrs ], [Timer: 6 hrs],or
[Timer: 9 hrs].

Press the ″Menu″ icon to save the setting.

Seat Temperature

Press the [Wake Up] button.
Press the ″Menu″ icon and press the up or down arrow until [Seat temp] appears.
Select the right arrow, then use the up or down arrow until your desired setting is displayed.
Press the ″Menu″ icon to save the setting.

Language

Press the [Wake Up] button.
Press the ″Menu″ icon
Press the up or down arrow until you reach the [Language] selection.
Select the right arrow, then select the up or down arrow until the desired language appears.
Press the ″Menu″ icon to save the setting.

Night Light

Press the [Wake Up] button.
Press the ″Menu″ icon and press the up or down arrow until [Night light] appears.
Select the right arrow, then use the up or down arrow to change the setting to [Light: on] or [Light:

off].
Press the ″Menu″ icon to save the setting.

Seat Auto Open/Close

Press the [Wake Up] button.
Press the ″Menu″ icon and press the up or down arrow until [Auto-open seat] appears.
Select the right arrow, then use the up or down arrow to change the setting to [Auto-open: on] or

[Auto-open: off].
Press the ″Menu″ icon to save the setting.

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Rear Wash

Front Wash

Dryer

Remote Control
Signal Sensor

Light Level
Sensor

Power

Manual Operation

The basic functions of the toilet can be controlled manually using the buttons located on the right back side
of the toilet. There is a manual flush actuator on the left side of the toilet.

″Rear″ - Press the ″Rear″ icon to activate the rear wash. Press it a second time to stop the rear wash.

″Dryer″ - Press the ″Dryer″ icon to activate the dryer. Press it a second time to stop the dryer.

NOTE: When the manual bidet features are activated using the manual buttons, they will default to the
middle temperature, pressure, and position settings.

″Front″ - Press the ″Front″ icon to activate the front wash.
″Power″ - Press the ″Power″ icon to turn the power off.

Remote Control Signal Sensor - Receives the signal from the remote control.
Light Level Sensor - Senses low light levels. If it is activated, the night light will turn on when low

light levels are sensed.

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Display Window

Rear

Adjustment Arrows

Thermometer

Wake Up

Stop

Menu

Wand
Position

Front

Pulsate Oscillate

Deodorizer Dryer

Water Pressure

Using the Bidet Wash Functions

NOTE: The bidet function will automatically stop after 5 minutes.

NOTE: Bidet functions also be activated using the manual controls on the toilet.

Using the Front Bidet Wash

Press the [Wake Up] button.
Press the ″Front″ icon.
Press the ″Stop″ icon to end.

Front Bidet Wash

Rear Bidet Wash

Oscillate

Pulsate

Using the Rear Bidet Wash

Press the [Wake Up] button.
Press the ″Rear″ icon.

Adjusting the Water Temperature

NOTE: Adjust the water temperature while the rear or front wash are in use. The temperature level is
shown next to the thermometer in the display.

Make sure the thermometer icon is indicated and [Front: temp] appears in the window.
If needed, select the thermometer icon using the up and down arrows.
Press the right arrow to increase the water temperature or left arrow to decrease the water

temperature. There are three settings available.

Adjusting the Water Pressure

NOTE: Adjust the water pressure while the rear or front wash are in use.

Make sure the water pressure icon is indicated and [Front: pressure] appears in the window.
If needed, select the thermometer icon using the up and down arrows.
Press the right arrow to increase the water pressure or left arrow to decrease the water pressure.

There are three settings.

Adjusting the Wand Position

NOTE: Adjust the wand position while the rear or front wash are in use.

Make sure the wand icon is indicated and [Front: position] appears in the window.
If needed, select the wand postition icon using the up and down arrows.

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