Toto USWN900 Series Leitfaden

USWN900 Series

Auto Flush Urinal

Instruction Manual

with Warranty

Maintenance

What to Do?

Reference

Introduction

Operation

• Safety Precautions ...................... 2

• Part Names ................................. 7

• Operation System ....................... 8

• Pre-flush Setting.......................... 9

• Routine Maintenance ................ 10

• Periodic Inspection.................... 15

• Troubleshooting ........................ 18

• Backup Battery Replacement

(Dry Type) ................................. 16

• Urinal FAQ ................................ 26

• After Sales Service.................... 28

•Thank you for your recent purchase of the TOTO Auto

Flush Urinal.

Please read this Instruction Manual carefully to ensure

the safe use of your product.

•Be sure to check that details such as the name of the

installer and installation date are entered on the

warranty.

•Keep this Instruction Manual in a safe place for future

reference.

Safety Precautions

For safety, be sure to follow these

CAUTION

• After reading these precautions, be sure to keep them in a place where they can be referenced at any

time by users of the product.

• This manual uses various symbols to indicate information for the safe and correct use of the product,

and prevent harm to you or other people or damage to property.

The symbols and their meanings are as follows.

The types of information that must be followed are classified and described with the following symbols.

WARNING

indicates a prohibited use of the product.

The symbol on the left means “Do not disassemble”.

is used to indicate a required step in the use of this product.

The symbol on the left means “Required”.

Read these "Safety Precautions" carefully before using your product to ensure safe use.

Incorrect product handling that ignores the information in

this section may result in injury or property damage.

Incorrect product handling that ignores the information in

this section may result in death or serious injury.

* “Property damage” means damage to houses, household belongings, livestock or pets.

WARNING

Figures and part shapes may differ slightly from the actual product depending on the product part number.

Never use in a wet place, such as a bathroom,

where condensation may form on the surface

Do not use in

a wet place

Do not

touch

Do not plug or unplug the connector with

wet hands

Never touch the power terminal with your hands

while power is being supplied

Wet hands

prohibited

Do not touch the controller during thunderstorms

(For AC220 V type)

Doing so may cause malfunctions or

electrical current leaks.

Doing so may cause electrical shock.

Introduction

Pacemaker

The magnet is a separately sold part.

WARNING

Do not use a power supply other than

AC220 V

Keep the cleaning magnet away from people

with implanted electronic medical devices

such as pacemakers, and other electronic

medical devices

Do not wash the entire product with water

Do not

disassemble

Prohibited

(For AC220 V type)

(For self powered type)

Do not perform disassembly or alterations

other than as described in this manual

Do not perform charging, disassembly,

modification, alteration or forcible electric

discharge heating of the backup battery, or

place it in a fire

Doing so may cause fluid leaks, rupture or fire.

Do not use a battery other than the

designated backup battery that is supplied

Doing so may cause malfunctions.

Otherwise, the medical device may not operate

correctly, resulting in a life-threatening accident.

Doing so may cause fire or electrical shock.

Also, malfunctions such as water shutoff or spray

defects may occur or the apparatus may be

damaged, causing injuries or damage to property

due to water leaking onto household belongings, etc.

Using an power supply other than AC220 V

may cause fire or malfunctions.

Doing so may cause malfunctions or electrical

current leaks.

Backup

battery Backup

battery

The magnet is a

separately sold part.

Be very careful when handling the cleaning

magnet, because it has a strong attraction force

Otherwise, your hands or fingers may be trapped and

injured between the magnet and another magnet, or

between the magnet and a magnetic object such as

metal pieces, a knife or scissors. Also, the magnet

may crack and scatter fragments into your eyes.

Required

WARNING

CAUTION

Do not place objects inside the bowl

Do not pour hot water into the urinal

Air

freshener,

ice, etc.

Doing so may damage the urinal and cause

an injury, or cause damage to property due to

water leaking onto household belongings, etc.

Doing so may block the drainage channels

and cause flushed water to overflow from the

urinal, resulting in damage to property due to

water leaking onto household belongings, etc.

Do not apply strong force or impacts to the urinal

Prohibited

Doing so may damage the urinal and cause an

injury, or cause damage to property due to

water leaking onto household belongings, etc.

If the urinal is cracked or broken, never

touch the damaged parts or use the urinal

Doing so may cause an injury from the damaged parts.

Replace at an early opportunity.

Introduction

CAUTION

Keep the cleaning magnet away from objects

such as floppy disks, magnetic cards, magnetic

tape, prepaid cards, tickets and cathode ray

tubes

If magnetic storage media are placed near the

magnet, the recorded data may be damaged.

Keep the cleaning magnet away from

precision devices such as wristwatches

and cellular phones

Otherwise, the device may malfunction.

Prohibited

The magnet is a

separately sold part.

The magnet is a

separately sold part.

Do not use or store the magnet in a wet

or humid location

Do not heat the cleaning magnet, or use

or store the magnet in a hot location

The magnet is a

separately sold part.

The magnet is a

separately sold part.

Doing so may impair the function of the

cleaning magnet.

Doing so may impair the function of the

cleaning magnet.

The magnet is a

separately sold part.

Keep the cleaning magnet away from

electronic devices

Otherwise, instruments or control circuits

may be affected, resulting in accidents or

malfunctions.

Vinyl

sheet,

etc.

CAUTION

Wipe off any condensation from the surface

of the urinal or other parts with a dry cloth

Required

Wipe any urine, condensation, detergent,

water, etc. that has gotten on the floor with

a well-wrung mop or cloth

Leaving such substances on the floor may

cause staining or corrosion.

If the urinal is clogged, be sure to close the shutoff

valve before unclogging the urinal with a commercially

available tool that is made for unclogging toilets (such

as Rubber Cup (product name))

If water is flushed while the urinal is clogged, waste

water may overflow and cause damage to property

due to water leaking onto household belongings, etc.

When storing the backup battery before using

it in the product or after removing it from the

product, store in a well-ventilated, dry location

not exposed to significant temperature rises

Otherwise, the function of the backup battery

may be impaired.

Failure to do so may cause staining or corrosion

of the floor.

* Ventilating the toilet with a fan or by opening a

window, etc. makes it difficult for condensation

to form.

(For self powered type)

Backup

battery

Introduction

Part Names

Top lid

Shutoff valve

Decorative bolt

Valve unit

Main unit

Drain trap

Drainage flange

Backup battery

(Dry Type)

Photoelectric

sensor

Spreader

Controller

Wall Mounted Urinals USWN900AE (AC), USWN900AS (Sterilization

Type), USWN900A (DC Dry Type), USWN900AES (AC Button Type),

USWN900ASS (Sterilization Button Type)

* Super water saving

type only

“ewater+” cleaning

Operation System

Detection

Interval discharge pipe flush

Main flush

A person approaching

the urinal is detected

by the sensor.

After use, the urinal is

flushed when the

person moves away

from the urinal.

Pre-flush

The urinal is flushed

before use.

The setting described

on Page 9 must be

configured to activate

the pre-flush.

CAUTION

The urinal is flushed

automatically every 2 hours

to reduce urolith adhesion

on the urinal trap and

discharge pipe.Discharges water six times

a day at times of infrequent

use.

This reduces urolith

adhesion on the trap of the

urinal.

every 2 hours

This product has the following automatic flushing functions.

In addition to flushing after every use, discharge pipe flushing is performed every 2 hours.

Discharge pipe flushing is performed efficiently using 2 flushes, reducing urine accumulation

and urolith adhesion inside the discharge pipe.

To prevent damage due to sudden winter cold in normally temperate regions, the ambient

temperature is detected and intermittent flushing is performed to minimize the risk of freezing.

<“ewater+” cleaning> * Super water saving type only

Time periods when the urinal is not used for a long time, such as at night, are judged

automatically and the trap is filled periodically with "ewater+". Because the occurrence of

dirt inside the trap is reduced, the flush volume after use can be reduced.

* “ewater+” is water created by electrolyzing chloride ions contained in tap water, and

includes sanitizing components (hypochlorous acid).

* In the AC type, water is flushed when the power supply recovers after a power outage.

This is normal.

The above effects cannot be obtained while the power supply is off.

CAUTION

Operation

Controller

Open the setting

switch

cover

Controller

1234

Controller

Waterproof

cover

Switch

1234

Switch

Pre-flush Setting

Pre-flush setting method

Switches and settings

Open the setting switch cover

on the controller and set

switch No. 1 to “ON”.

For details, check the caution

label attached to the product.

Do not apply excessive force

to the switch.

After setting, return the

waterproof cover, controller

and setting switch cover to their

original installation condition.

* When the product is shipped, pre-flush is set to “OFF”. Change the setting as required.

Although the Auto Flush Urinal is effective in reducing urolith adhesion,

it does not remove urolith that has already adhered. (The frequency of

periodic flushing can be reduced, but does not become unnecessary.)

Interval discharge pipe flushing is performed automatically every 2 hours.

Keep the power supplied 24-hours a day.

Switch

No. Setting

Pre-flush

Interval discharge

pipe flush

Yes

+0.3 L/flush

-24 L/day

Approx. change in water

volume used when OFF→ON

OFF

(initial setting)

* When interval discharge pipe flush

is set to off (switch No.2 set to “ON”),

the effect of reducing urolith adhesion

is no longer obtained.

Wire brush

Sandpaper Abrasive nylon

scrubbing pad

Acidic

detergent

Detergent

containing

abrasive

compounds

Strongly acidic

or strongly

alkaline

detergent

Fluorine-based

detergent*1

Neutral

detergent

Alkaline

detergent

Usable detergents for

porcelain unit cleaning

Components of detergent or

coating agent cover the

CeFiONtect surface.

Ion power layer

Acidic

detergent

Neutral

detergent

Alkaline

detergent

For busihess

use

For busihess

use

[Cleaning the porcelain unit]

Any commercially available household

detergents can be used, regardless of

whether they are acidic, neutral or alkaline.

However, do not use detergents containing

abrasive compounds, industrial strongly acidic

or strongly alkaline detergents, or fluorine-based

detergents*1, because they may damage or

permeate the porcelain surface.

* TOTO’s Faucet Area Cleaner can be used.

*1 Including hydrogen fluoride and ammonium fluoride

Routine Maintenance

Maintenance keeps the toilet clean and extends its service life.

Please perform thorough and routine maintenance. Note that although

CeFiONtect parts have dirt prevention properties, routine maintenance is

still important to keep their surfaces clean.

About the cleaning tools

Do not use tools such as wire brushes, abrasive

nylon scrubbing pads or sandpaper, because

they will damage the surface.

Do not use any water repellant, stain-proofing

detergent or surface coating agent.

These products do not damage the porcelain

surface, but their components may cover the

porcelain surface and reduce the effect of the

built-in stain prevention technology.

About surface coating agents

About the cleaning detergent

CeFiONtect is TOTO independently developed

technology where bumps on the porcelain

surface are smoothed at the nano level of 1

million of 1 mm, making dirt difficult to adhere

and easy to remove.

About CeFiONtect

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