Toto WASHLET SW3074T40 User manual

2022.3.25
D07E74
TOTO U.S.A., Inc. 1155 Southern Road Morrow, GA 30260
Phone : [phone]
•You are advised to record the following information to allow quick service.
Date of purchase : Name of shop :
Tel : ( )
Date : year month day
Warranty Registration and Inquiry
For product warranty registration, TOTO U.S.A. Inc. recommends On-Line Warranty Registration. Please visit
our web site http://www.totousa.com. If you have questions regarding warranty policy or coverage, please
contact TOTO U.S.A. Inc.,
Customer Service Department, 1155 Southern Road, Morrow, GA 30260 (888) 295 - 8134 or (678) 466 - 1300
when calling from outside of U.S.A.

Instruction Manual
WASHLET
SW3074T40
SW3074
SW3024
SW3073
SW3023
■ Thank you for your recent purchase of this product.
Please read the enclosed information to ensure the safe use of your product.
■ Be sure to read this Instruction Manual before using your product and keep it in a safe place
for future reference.

What functions are available on your product?
SW3074T40
SW3074
SW3073
SW3024
SW3023
Ref. Page
Basic
Functions
Washing
Rear washing ● ●
17
Rear soft washing ●-
Front washing ● ●
Changing the washing
method
Wand position
adjustment
● ●
Water pressure
adjustment
Oscillating washing
Pulsating washing
Drying Warm air drying ● ●
Changing
the temperature
Temperature
adjustment ● ● 18, 19
Sanitary
Functions
Removing odors Deodorizer ●-
16
"EWATER+" cleaning Auto wand CLEAN ●-
Bowl pre-cleaning Pre-mist ●-
Convenience
Functions
Heating the toilet seat Heated seat ● ● -
Saving energy
Auto energy saver
● ● 20, 21
Timer energy saver
Maintenance
Main Unit One-touch
removal
● ●
30, 31
Removable toilet lid 32
Wand cleaning 33
Model No.
Functions
Model No.
2

Safety Precautions................ 4
Operational Precautions .....11
Parts Names........................ 12
Preparation .......................... 14
What to Do?......................... 35
If the water does not  ow due to
a water service interruption
...... 35
Freeze Damage Prevention
.. 36
Long Periods of Disuse ....... 37
Troubleshooting................... 38
Speci cations ...................... 42
Limited Warranty ................. 43
Table of Contents
Maintenance ........................ 28
Power Plug.......................... 28
Main Unit ............................. 29
Gap between the Main Unit
and Bowl Unit ...................... 30
Gap between the Main Unit
and the Toilet Lid................ 32
Deodorizing Filter ................ 33
Wand................................... 33
Wand cleaning
Water Filter Drain Valve ...... 34
Basic Operations................. 16
Mechanism of Auto Functions
(SW3074T40, SW3074, SW3073)... 16
Deodorizer,
Auto wand CLEAN, Pre-mist
Using the Control Panel ...... 17
Temperature Adjustment
(Toilet Seat, Warm Water,
Drying).................................. 18
Energy Saver Features ...... 20
Various Operations ............. 24
Setting List .......................... 24
Auto functions ..................... 26
Keep It
Clean
Sanitary Toilet
Lights to show
that the "CLEAN"
functions are
operating.
The self-cleaning functions
operate automatically.
(See page 16 for details.)
As you sit As you stand up
Removing odors inside
the bowl unit. Deodorizer*1 Auto power deodorizer*1
A mist is automatically sprayed
inside the bowl unit to make it
more di󰀩 cult for dirt to adhere.
Pre-mist*2
Cleans the wand with
"EWATER+" Auto wand CLEAN*3
*1 Only used on models with "Deodorizer" function
*2 Only used on models with "Pre-mist" function
*3 Only used on models with "Auto wand CLEAN" function
3
ReferenceMaintenanceOperation
Introduction

IMPORTANT SAFEGUARDS
READ ALL INSTRUCTIONS BEFORE USING
Symbols and Meanings
WARNING May result in death or serious injury.
CAUTION May result in injury or property damage.
The following symbols are used to indicate important safety instructions for the use of the product.
Symbol Meaning
This symbol indicates a prohibited use of the product.
This symbol is used to indicate a required step in the use of this product.
WARNING
Do not plug or unplug the power plug with wet hands.
 Doing so may cause electrical shock.
Do not get any water or cleaning solution on the main unit or power plug.
 Doing so may cause re, electrical shock, heat or short circuit.
 Doing so may cause the product to crack resulting in injury or water damage.
Never disassemble, repair or alter.
Doing so may cause re, electrical shock, overheating, short circuit or breakdown.
Do not install the product on moving vehicles such as wheeled vehicles or boats.
 Doing so may cause re, electric shock, short circuit or malfunction.
 The toilet seat, toilet lid, main unit, or other parts may come loose and fall o󰀨, resulting in injury.
Do not use the product if a malfunction occurs.

In case of breakdown or other problem, be sure to cut o󰀨 power by means such as unplugging the power plug.
Close the water shuto󰀨 valve to stop water supply.
Possible malfunctions:
 Water is leaking from a pipe or the main unit.
 The product is cracked or broken.
 The product makes a strange noise or emits a strange odor.
 The product emits smoke.
 The product is abnormally hot.
 The toilet seat cushion is out of place.
 Continued use after malfunction could cause a re, electric shock, heat, short circuit, injury or
water damage.
Safety Precautions
4

WARNING
Do not use other water then allowed by the laws and ordinances of the
region of use. Only Use potable water.
Do not use seawater or recycled water.
 Doing so may cause irritation to the skin and malfunction.
Do not touch the power plug during thunderstorms.
 Doing so may cause electrical shock.
Do not allow the water supply hose to touch the power plug or outlet.
 Doing so may cause condensation resulting in a re, electrical shock, heat or a short.
Do not do anything that may damage the power cord, power plug.
Do not strike, yank, twist, excessively bend, damage, alter, or heat the power cords.
Also, do not place anything heavy on, bind or pinch the power cords.
 Using a damaged power cord may result in a re, electrical shock, heat or short.
Do not use a loose or faulty electrical outlet.
 Doing so may cause re or short circuit.
Do no use any outlet or wiring equipment beyond its specied rating.
 Plugging too many plugs into the same outlet, for example using outlet splitters, can cause re
due to heat.
Do not use any power supply other than the one specied.
AC 120 V, 60 Hz
 Doing so may cause re or excessive heat.
Do not stick a nger or anything else into the warm air outlet.
Do not place anything on the warm air outlet or drape clothes over it.
 Doing so may cause burns, electrical shock or malfunction.
Keep cigarettes and other open ames away from the product.
 Failure to do so may cause re.
Refrain from sitting on the seat for long periods.
 It may cause low-temperature burns.
To prevent the following persons from getting a moderate temperature burn during use, other
person should turn o󰀨 the toilet seat heater.
 Young children, the aged and other users unable to set the temperature appropriately
themselves.
 The ill, physically disabled and others who do not have freedom of movement.
 Those using any medicines that cause drowsiness (sleeping or cold medicine), those who have
been drinking heavily, anyone severely fatigued and anyone else liable to fall asleep.
5
Introduction

WARNING
This is an electrical product. Do not install it anywhere water is likely to get on
the product or anywhere with humidity high enough that water is likely to form
on the surface of this product. When using the product in a bathroom, install a
fan or ventilation port and ensure good air ow through the bathroom.
 Failure to do so may cause re or electrical shock.
Always connect the product to the cold water supply.
 Connecting to hot water supply may result in burns and equipment damage.
Make sure that a properly grounded (3 prong) outlet has been installed.
 Failure to install a grounded outlet could cause electrical shock in the event of a malfunction or
short circuit.
Insert the power plug securely into the outlet.
 Failure to do so may cause re, heat or short circuit.
To unplug, hold the power plug, not the power cord.
Do not unplug by pulling the power cord.
 Pulling on the power cord may cause damage and result in re or heat.
If the power cord is damaged, avoid danger by having the manufacturer's
repair department or equivalent specialist replace it.
Always unpug the power plug from the outlet before maintenance or
inspection.
 Failure to do so may cause electrical shock or malfunction.
Periodically remove dust and dirt from the power plug and make sure it is
securely plugged into the wall outlet.
 Failure to do so may cause re, heat or short circuit.
Pull the power plug out from the outlet and wipe clean with a dry cloth.
Always unplug the power plug from the outlet before removing the main unit.
 Failure to do so may cause re or electrical shock.
Preliminary studies in females suggest that overuse of continuous spraying
can increase the possibility of vaginal mucosa drying and potential reduction in
desirable microbial organisms.
Although these studies have not been validated, please consult your healthcare
provider for concerns regarding whether these circumstances may apply to you.
More importantly, if you are an individual su󰀨ering from any immune
deciency as a result of disease, chemotherapy, or other medical condition
compromising the immune system you should consult your healthcare
provider before use of this product.
Safety Precautions (Continued)
6

CAUTION
Do not use the product if the main unit is unstable.
 Doing so may cause the main unit to come loose and fall, resulting in injury.
If the product is damaged, do not touch the damaged section.
 Doing so may cause electrical shock or injury.
Replace it immediately.
Do not apply strong force, mechanical shock, step on or stand on the toilet
seat, toilet lid or main unit. Also do not place any heavy object on the toilet
seat, toilet lid or main unit.
 Doing so may cause cracking or cause the main unit to come loose and fall, resulting in injury.
 Doing so may damage the product and cause injury or water damage.
Do not lift up this product by the toilet seat or lid.
Do not raise the toilet seat or lid while objects are resting on top of the unit.
 Doing so may cause the main unit to come loose and fall, resulting in injury.
When maintaining the plastic parts (main unit etc.) or the water supply hose,
use a pH neutral kitchen detergent diluted with water. Do not use any of the
following.
Toilet cleaner, household cleaner, benzene, paint thinner, powdered cleanser or nylon
scrubbing brush.
 These items may damage or crack the plastic and cause injury or malfunction.
 These items could damage the water supply hose and cause a water leak.
To prevent a sudden water leak, do not remove the water lter drain valve
when the shuto󰀨 valve is open.
 Doing so will cause water to spurt out.
(Refer to Page 34 for instructions on cleaning the water lter drain valve.)
Do not fold or crush the water supply hose; do not damage by cutting with a
sharp object.
 Doing so may cause water leaks.
Do not install the base plate, which is not attached.
 Doing so may cause damage.
7
Introduction

Safety Precautions (Continued)
CAUTION
If a water leak should occur, always close the shuto󰀨 valve.
When the ambient temperature is likely to drop to 32 °F (0 °C) or lower,
prevent damage to the pipes and hoses due to freezing.
 Frozen water pipes could cause the main unit and the pipes to break, resulting in a water leak.

Regulate the room temperature to prevent the pipes and hoses from freezing during cold months.
 Drain the water.
When not using the product over an extended period of time, drain the
water out of the main unit and the water supply hose after closing the water
shuto󰀨 valve, and pull the power plug from the outlet.
 When using the product again, allow the product to rell with water rst. Otherwise, the water in
the tank might become contaminated and cause skin inammation or other problems.
(Refer to Page 37 for instructions on replenishing the water.)
 Leaving the power on may cause re or heat.
When installing the water lter drain valve, make sure that it is securely
tightened in its proper position.
 Failure to securely tighten it may cause a water leak.
Push the main unit securely on to the base plate.
 After pushing the main unit until a click sound is heard, pull it slightly toward you to make sure
that the product does not detach.
 Doing so may cause the main unit to come loose and fall, resulting in injury.
8

DANGER To reduce the risk of electrocution:
1. Do not use while bathing.
2. Do not place or store the product where it can fall or be pulled into a tub or sink.
3. Do not place in or drop into water or other liquid.
4. Do not reach for the product when it has fallen into water. Unplug it immediately.
WARNING To reduce the risk of burns, electrocution, re or injury to persons:
1. Close supervision is necessary when this product is used by, on, or near children or
invalids.
2. Use this product only for its intended use as described in this manual. Do not use
attachments not recommended by the manufacturer.
3. Never operate this product if it has a damaged cord or plug, is not working properly, has
been dropped or damaged, or has been dropped in water. Return the product to a service
center for examination and repair.
4. Keep the cord away from heated surfaces.
5. Never block the air openings on the product or place it on a soft surface, such as a bed
or couch, where the air openings may be blocked. Keep the air openings free of lint, hair,
and other similar items.
6. Never use while sleepy or drowsy.
7. Never drop or insert any object into any opening or hose.
8. Do not use outdoors. Do not operate where aerosol (spray) products are being used or
where oxygen is being administered.
9. Connect this product to a properly grounded outlet only.
See "Grounding Instructions" in Page 10.
10. The tank should be lled with water only.
 Servicing should be performed by an authorized service representative.
 This product is for household use.
9
Introduction

Grounding Instructions
This product should be grounded. In the event of an electrical short circuit, grounding
reduces the risk of electric shock by providing an escape wire for the electrical current.
This product is equipped with a cord having a grounding wire with a grounding plug.
The plug must be plugged into an outlet that is properly installed and grounded.
DANGER - Improper use of the grounding plug can result in a risk of electric shock.
If repair or replacement of the cord or plug is necessary, do not connect the grounding wire
to either at-head terminal.
Check with a qualied electrician or serviceman if the grounding wire instructions are not
completely understood, or if in doubt as to whether the product is properly grounded.
SAVE THESE INSTRUCTIONS
Safety Precautions (Continued)
10

■
For prevention of malfunctions and failures
●Disconnect the power plug if there is a risk of
lightning.
●A toilet seat cover or a
toilet lid cover cannot
be used.
(The seat switch may
not function properly.
Additionally, the toilet
seat and lid may
not open or close
properly.)
●Do not urinate on the main unit, toilet seat or wand.
(Doing so may cause a failure or discoloration.)
●Do not apply strong forces to the control panel.
●When using a toilet cleaner to clean the toilet, rinse
it o󰀨 within 3 minutes and leave the toilet seat and
toilet lid open.
(If vapor from a toilet cleaner enters the main unit,
it may cause a malfunction.)
Wipe off any cleaner that remains on the bowl
unit.
●Do not use the product with the toilet lid removed.
●Do not expose to direct sunlight.
(Doing so may cause changes in color, irregular
heated seat temperature, the control panel
malfunction or product malfunction due to the
change in temperature.)
●Use radios, etc. away from the product.
(The product could cause interference with the
radio signal.)
●If you use a booster seat for infants or a soft
highchair, remove it after use.
(Keeping it installed may prevent some of the
functions from being used.)
●Do not place anything on the toilet seat and lid,
and do not press them with hands.
(Failure to do so may turn on the seat switch,
causing the oor to get wet if buttons on the control
panel are touched and warm water comes out from
the wand.)
■For prevention of malfunctions
<About the seat switch>
●When you sit on the toilet seat, the seat switch
turns ON, enabling you to use various features.
(A click sound is heard when the seat switch is
ACTIVATED.)
Seat switch (Built-in)
The toilet seat lowers.
Switch
ON Gap
●Sit back on the toilet seat.
The seat switch will not turn on unless you
sit on the seat properly.
Note
When a child uses the product, the seat
switch may not be ACTIVATED by their
light body weight.
Since the toilet seat is designed to move
up and down, a clearance is provided
between the toilet seat cushion and the
bowl unit.
Covers
■For prevention of damage
●Wipe plastic areas such as the main unit with a
soft cloth tightly wrung out with water.
Dry cloth or tissue
●Do not lean against the toilet lid.
Operational Precautions
11
Introduction
Delete
『●Thisproductisintendedforuseuptoamaximum
heightof6,562ft(2,000m)abovesealevel.』
DuetotherequirementsoftheIECstandard,
itwasnotapplicabletotheUnitedStates.

Model No., etc
Toilet lid cushions
Shuto󰀨 valve*1
(Page 14)
Toilet lid
Water supply hose
Control panel
(Page 17)
Wand cover
Warm air outlet cover
Wand
Seat switch
(Built-in)
Heated seat
Power cord
Power Plug
Descriptions in this manual are based on the illustrations of SW3074.
The toilet seat and the toilet lid shape vary by model.
*1 The shape and location vary depending on the type of toilet bowl and tank.
*2 Except SW3024, SW3023
Parts Names
12

Main display Right side of the main unit
Left side of the main unit
Deodorizer outlet*2
Deodorizing lter*2
(Page 33)
Water drain plug (Page 37)
Water lter drain valve (Page 34)
Main unit removal button
(Pages 30, 31)
Toilet seat
cushions
Power LED
Energy saver
LED
Water LED
Wand CLEAN
LED*2
<All the LEDs illuminate in the gure>
Seat LED
13
Introduction

1. Turn on the power 2. Open the shuto󰀨 valve
Preparation
Using the Product for the First Time
1Fully open the shuto󰀨 valve.
Shutoff valve
1Insert the power plug.
The wand extends and then retracts.
2Check the "Power" LED
illuminates.
When the "Power" LED does not light,
press for at least 3 seconds.
<Power>
14

15
Introduction

Basic Operation
Mechanism of Auto Functions
(SW3074T40, SW3074, SW3073)
*1 To keep clean the wand every time it is used, water remaining in the wand is drained after you stand up from the toilet seat.
*2 When the washing functions (Rear washing and Front washing etc,) have not been used in 8 hours, the wand is cleaned
automatically. (Water comes out from around the wand.)
The above are default setting
functions.
●These may be changed.
→ "Various Operations"
(Pages 24 - 27)
Auto wand CLEAN
Flashes
During
"Auto wand CLEAN"
or "Wand CLEAN"
What is meant by "EWATER+" ?
"EWATER+" helps the self-cleaning wand feature work e󰀨ectively
and by preventing the accumulation of dirt that can cause stains.
•"EWATER+" is generated from chemicals already present in potable water.
•"EWATER+" helps to minimize dirty surfaces, but does not make cleaning
unnecessary.
• The e󰀨ect of rinsing with "EWATER+" can vary depending on the frequency
of toilet use and other conditions.
"EWATER+" can also be used by pressing the button on
the control panel.
■Wand
Press
(After wand cleaning, water comes out from around the wand.)
●To clean the wand with it extended. "Wand cleaning" (Page 33)
As you approach As you sit As you stand up *1
Deodorizer
Auto wand CLEAN
Pre-mist
"EWATER+" is used automatically to clean the wand.
● Deodorizing lter needs regular
maintenance. (Page 33)
Only when the washing functions are used.
Starts the auto
power deodorizer
It stops after about 60 seconds.
After about 10 seconds
After about 25 seconds
The wand extends to clean
itself with "EWATER+" that
comes out of the base *2
0
(sec) 10 25
Starts
the deodorizer
Pre-mist
Removing odors inside the bowl unit.
A mist is automatically sprayed inside the bowl
unit to make it more difcult for dirt to adhere.
16

Using the Control Panel
For your information
Water may sometimes come out from around the wand when it expands in the warm water tank, but this is normal.
As the warm water tank of hot-water system is used, the temperature of warm water may become lower if it is continuously
consumed.
Washing
Stopping
Drying
"Front washing"
•Serves as a bidet for ladies.
"Warm air drying"
•Dries your rear.
"Rear
washing"
•Washes your rear.
"Stop"
•Stops the
operation.
Temperature setting, Temperature adjustment LED (Page 18)
Adjust temperatures
˂The drawing is SW3074˃
*3 Except SW3024, SW3023
■"Wand CLEAN"*3 (Page 16)
Cleans the wand with "EWATER+".
This function will operate automatically after using
the washing functions (Rear washing, Front
washing, etc.). (Page 16)
■
"Water pressure adjustment"
You can adjust the water
pressure to one of  ve levels.
The PRESSURE LEDs illuminate
when you sit on the toilet seat.
■"Wand position adjustment"
You can adjust the washing position as desired to 5
di󰀨 erent points.
The washing position returns to the standard position
(3rd point) when you stand up from the toilet seat.
■"Pulsating washing"
Washes with the water pressure pulsating between soft and strong.
"Oscillating washing"
• When you press this button
again during use, the wand
moves back and forth to
wash your rear thoroughly.
Note
•Sitting back on the toilet seat makes it easier to adjust the wand position and to reduce splashing.
●
Functions that operate
when a button is
pressed during "Rear
washing", "Rear soft
washing" or "Front
washing".
"Rear soft washing"*3
•Washes your rear with mild water
pressure.
Main display
(Page 13)
■"Power deodorizer"*3
Pressing the button increases the deodorizer power
This button is only enabled when sitting on
the toilet seat.
When you stand up without turning the button
o󰀨 , it automatically stops after about 60 seconds.
■"Power ON/OFF"
Pressing it about 3 seconds or longer turns the
power on/o󰀨 .
17
Operation

Temperature Adjustment
Toilet Seat, Warm Water, Drying
"High"
Lit
"Medium"
Lit
"Low"
Lit
"OFF"
OFF
Lit
<Seat>
<Water>
The setting changes each time the button is pressed once
1
•The current temperature level appears.
The "Drying" cannot be turned "OFF".
Adjusting the temperature
Three di󰀨 erent temperature levels (High, Medium, Low) and "OFF" setting can be selected.
2
Warm water temperature button
(When you want to adjust the warm water temperature)
Drying air temperature button
(When you want to adjust the drying air temperature)
Toilet seat temperature button
(When you want to adjust the toilet seat temperature)
Displaying the temperature level of the pressed button
If the button is not pressed for about 10 seconds, the "Temperature adjustment" LED will go o󰀨 , but the setting will be retained.
If the "Temperature adjustment" LED goes out before the setting is completed, start all over again at step 1.
<Settings complete>
●
When the toilet seat does not get warm, or when the warm water is not warm enough, even after temperature adjustment.
➞Is the "Energy saver" set to "ON"? (Pages 20, 21)
Choose and press the button of the temperature that you want to set
from the , , .
Press the button selected in step 1repeatedly until a desired
temperature level illuminates.
When the seat temperature and the warm water
temperature are set
˂The drawing is SW3074˃
18

To turn the warm water temperature and toilet seat temperature "OFF"
●The "Drying" cannot be turned "OFF".
"High"
Lit
"Medium"
Lit
"Low"
Lit
"OFF"
OFF
(
All
LED's
)
OFF
<Water>
<Seat>
The setting changes each time the button is pressed once
<Settings complete>
When the seat temperature and the warm water
temperature are turned "OFF"
1
•The current temperature level appears.
2
Select a temperature button you want to turn "OFF"
from , and press it.
Press the button selected in step 1repeatedly until the temperature
level is set to "OFF".
19
Operation