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Conduit E19

(provided on-site)*

(provided on-site)*

Switch box

Back hanger

Controller

Main unit

Upper lid

Sensor surface

Exposure angle and detection area

*  For a 300 x 300 mm blank white paper

2019.10

CKH6754

Installation Manual

USWN900 Series

USWN902 Series

* is for AC type only

Included Parts

Refer to the following and confirm that no parts are missing.

Install the product properly according to these Work Instructions, to ensure that its functions perform sufficiently.

After installation, provide the customer with a clear explanation of how to use the product.

Auto-cleaning Urinal (USWN900 Series

USWN902 Series)

Be sure to install an overcurrent breaker and earth leakage 

circuit breaker in order to prevent danger

Electric wire: Use a 600V plastic shielded electric wire or cable

(A ø1.6 mm or ø2.0 mm single wire, or 2.0 mm stranded wire)
Insulate and waterproof the power wire connector

Do not insert the power wire connector inside the device

Doing so may cause electric shock, a current leak, or a fire.

Precautions prior to Installation

Do not install in locations of high humidity such as bathrooms

Doing so may cause a malfunction or current leak.

WARNING

Thoroughly discuss the relevant procedures before performing water and 
electrical work.

The power wire is to be provided on-site. (AC type only)

A grounding wire is not needed, so use a two-core power wire. (AC type only)

Water supply pressure ranges from 0.07 MPa (9 L/min [dynamic]) at minimum to 
0.75 MPa at maximum. Use the product within this pressure range.

Be especially careful not to damage the surface of the sensor.

This product is an electrical appliance. Be careful not to spray water on it.
The exposure angle and detection distance of the sensor are as shown in the 
diagram. When installing a handrail or the like in front of the urinal, do so in a way 
that does not obstruct the detection areas (both the stable detection area and 
unstable detection area) of the photoelectric sensor. Urinal sensors may mal-operate 
affected by reflective objects such as mirrors and stainless steel. Cases also happen 
when ground reflection caused by these items installed vertically even beyond 3m.

The product may not function in environments exposed to strong sunlight.

Inverters or other devices that use infrared light could cause malfunctions.

A water supply inspection has been conducted prior to packaging. There may be 
some water remaining inside the product, but this is normal.

Parts Names

Use prohibited near water

REQUIRED

Always carry out construction work with at least two people

Otherwise, the installer may injure his or her lower back, or drop the porcelain and damage it.

After construction, be sure to give the product a test run and 

check that there are no water leaks in any part.

Not installing the product properly may cause water leaks that could result 

in flooding damage to property, such as household belongings.

Safety Precautio ns

(be sure to read to ensure safety)

WARNING

CAUTION

People other than repair technicians should never disassemble, 

repair, or alter the product.

Doing so may cause a malfunction, electric shock, or injury.

Do not install in locations of high humidity such as bathrooms

Doing so may cause a malfunction or current leak.

Read these “Safety Precautions” prior to construction, and install the product correctly. These 

Instructions include a variety of safety indications. These are provided so that the product can 

be used safely, to prevent harm to customers or others, and to prevent damage to property.

These indications and their meanings are as follows

:

CAUTION

Ignoring the text accompanying this indication and handling the 

product incorrectly could result in serious injury or property damage.

WARNING

Ignoring the text accompanying this indication and handling the 

product incorrectly could result in death or serious injury.

Indication

Meaning

indicates a required step in the use of this product.

indicates a prohibited use of the product.

REQUIRED

Disassembly prohibited

Use prohibited near water

Shutoff valve

Photoelectric 

sensor

Decorative bolt

Drain cover

Detection distance exposure

angle 650mm

Pointing down 15°

Unstable detection area

Stable detection area

ø160

15°

ø300

500

Detection

distanc

e

*  “Property damage” refers to damage extending to the home/household property and domestic animals/pets.
Types of safety precautions that must be followed are classified using the two following symbols for explanatory purposes.

Drainage flange

(1)

(1)

(1)

Upper lid

Drain cover

* e water+ type with sponge 

Water supply fixture

Others

Quick fastener

(1)

Shutoff valve

(1)

Back hangers

(2)

Wood screw set

(6 wood screws,

2 washers)

Draining Flange

Washer [large]

(1) (for urinal)

Tapping

screws (4)

Installation 

Manual

(1)

Bolt

(1)

Drainage

flange unit

(1)

M8 nuts

(2)

Washer

[small] (1)

P seal

(1)

*For Malaysian Type,

 please procure locally.

Instruction

Manual

(1)

Urinal

The symbol to the left indicates the action is “REQUIRED.”

The symbol to the left indicates that “use is prohibited in bathtubs and shower stalls.”

Installation Manual

(1; this document)

Battery only

Alkaline batteries(2)

Battery box (1)

DC Dry

Hand this over

to the customer

Summary of Contents for USWN900 Series

Page 1: ...normal Parts Names Useprohibitednearwater REQUIRED Always carry out construction work with at least two people Otherwise the installer may injure his or her lower back or drop the porcelain and damage it After construction be sure to give the product a test run and check that there are no water leaks in any part Not installing the product properly may cause water leaks that could result in floodin...

Page 2: ...Installation Meth od 220 240V AC electrical work is required only for the AC type Be sure to perform construction steps through prior to installing the urinal Install the drainage flange according to the included Work Instructions Install switch box Install shutoff valve Install drainage flange Install urinal unit Connect shutoff valve and valve Check for water leaks in water supply connections Co...

Page 3: ...nut too strongly and crack the urinal unit Be careful that the shutoff valve does not strike the urinal unit Fix the flange bolt to the lower part of the urinal with the washer large and nut The washer large and nut are packaged with the drainage flange The hex size of the nut is 13 mm A board ratchet wrench with a total length of 150 mm or less is recommended to tighten the nut Prohibited Pull th...

Page 4: ...nute period Install the waterproof cover Controller Waterproof cover Controller Battery box Insert battery DC Dry Battery type only 9 Prohibited Do not pull the battery box electric wires Doing so may di sconnectthe wires or terminals or cause fire or electrical sh ock CAUTION Trigger the photoelectric sensor and confirm that the urinal flushes AC type units will automatically flush the urinal imm...

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