INSTALLATION INSTRUCTION FOR AUTOMATIC TOILET/URINAL FLUSH VALVE
4. Use care not to damage the surface of the infrared
Item
Figure
Description Q’ty
Model Variation
Toilet Flush Valve
Specification
Installation Procedure
WARNING: To minimize the risk of electrical shock and
fire hazard, be sure to turn off and lock out
breaker for power line before starting the
installation.
sensor.
AC Type
5. For Toilet Flush Valve
Model TET2ANS TET2DNS TEU2ANS TEU2DNS
The toilet sensor valve may not function if toilet seat
and/or lid cover are left upright as it may block the
sensor.
Back Spud
Floor
Back Spud
Wall
Number -32,33,31 -32,33,31 -11,21
-11,21
Alkaline
Supplied Type AA Supplied Type AA
Water Supply Top Spud
10V DC
Alkaline
10V DC
Power
supply
6. For Urinal Flush Valve
by AC
Batteries
by AC
Batteries
Adapter 1.5V x 4pcs. Adapter 1.5V x 4pcs.
The automatic flush valve is designed to be used with a
washout urinal for optimum performance. However, a
siphon jet urinal may also be substitutional. Blowout
urinals are not recommended.
Step 1
Only for toilet flush valve
Dimensions
(cover)
12-5/8"(H) x 14-3/16"(W)
(320mm(H) x 360mm(W))
Within 31-1/2"(800mm)
from the front of the flush valve
Determine the installation of the box fixing frame based on
the toilet/urinal position. Then determine the location of
the water supply pipe and attach the control stop to the
pipe. Thereafter bore a flush pipe guide hole in the wall.
Slide a thread solder adapter on the water supply pipe if
applicable.
Box
C
1
DC Type
Figure
Detection
range
Detection
time
Ambient
temperature
Connection
of the water
supply pipe
7. The detection range of the infrared sensor is shown in
the figure below.
6 seconds or more
Battery case
Do not install a handrail or any other object within the
detection zone of the sensor, as object blocking the
sensor may cause the valve to malfunction.
Additionally, to avoid the possibility of valve malfunction,
do not install the flush valve in a location where the
sensor faces a stainless wall, other highly reflective
surface or another infrared sensor.
32-104˚F(0-40˚C)
(water temperature: 34-104˚F(1-40˚C))
Note
AC
DC
TET2ANS-32 TET2ANS-33 TET2ANS-31
TET2DNS-32 TET2DNS-33 TET2DNS-31
Only for toilet flush valve
1"NPT
3/4"NPT
Attach the control stop before installing the box fixing frame.
Location of the Left water
Location of the Right water
supply pipe
supply pipe
Supply
water
Minimum required water pressure: 10 PSI (70kPa)
(flowing)
Pressure Maximum water pressure: 125PSI (862kPa)
4-3/4"
4-3/4"
Vacuum
Breaker tube
Urinal Flush Valve
1"NPT for Toilet
3/4" for Urinal
1"NPT for Toilet
3/4" for Urinal
(120mm) (120mm)
D
E
1
1
Detection zone
Water Supply
Back Spud
The detection zone is self-adjusting and is equipped with a
3-second flush delay after removal from the detection zone.
(No flush delay for Urinal flush valve)
The detection zone may differ according to color of user’s
clothes.
Shutoff
pressure
Discharge
7 PSI (48kPa)
11-15/16"
(303mm)
Control stop
1-9/16"
(40mm)
11"
(279mm)
Approx.0.5 ~ 1.0gallon
quantity per
Approx. 1.6 gallon
(6L)
(1.9 ~ 3.8L)
(Fuzzy logic adjusted
flush volume)
13-1/2"
(343mm)
16"
(406mm)
Box fixing frame
Toilet top spud
(2-3/16"(56mm)Dia. hole)
flush at 28 PSI
(196kPa)
(Factory set)
When a user wears black clothes, the detection zone may
become smaller and the valve may not flush.
AC Type
Figure
Urinal Back spud
(1-5/16"(33mm)Dia. hole)
Water
supply pipe
Connection
wire
F
2
Toilet Back spud
Installation Precautions
1. Prior to Installation
(2-3/16"(55mm)Dia. hole)
DC Type
15
Max.19-11/16"
(Max.500 mm)
Prior to Installing your TOTO automatic flush valve,
install the items listed bellow:
· Closet fixture/Urinal fixture
· Drain line
· Water supply line
The supply piping to these devices shall be securely
anchored to the building structure to prevent the
installed device from unnecessary movement when
operated by the user. Care shall be exercised when
installing the device to prevent marring the exposed
significant surface.
Adapter
3/4" O.D
1-1/4" O.D
Flush pipe
AC
TEU2ANS-11 TEU2ANS-21
TEU2DNS-11 TEU2DNS-21
Max.31-1/2"
(Max.800 mm)
*For the Left water supply of Toilet flush valve
DC
Tool
(Allen wrench)
G
H
I
1
4
1
1
1
Slide the stopper up and remove the bracket from the
button. ( A )
Reinstall the bracket to the opposite direction shown in the
figure below. ( B )
“AVOID”
“AVOID”
Exploded View
For TET2ANS-32
DO NOT place the Infrared DO NOT place the Infrared
sensor of one urinal so that sensor in front of a
it is in line with the sensor stainless steel wall or other
of another automatic flush highly reflective surface.
valve sensor.
DC Type
Alkaline Type
AA Battery
Original
for the left water supply
for the right water supply
Toilet Flush Valve
Infrared sensor of the
automatic flush valve.
Stainless steel wall or other
highly reflective surface.
2. Important
All plumbing is to be installed in accordance with
applicable codes and regulations.
Water supply lines must be sized to provide an
adequate volume of water for each fixture.
Flush all waterlines prior to operation.
The minimum pressure required to the valve is
determined by the type of fixture selected. Consult
fixture manufacturer for pressure requirement.
Do not use toothed tools to install or service the valve.
Notice Label
Owner’s
manual
J
A
B
Bracket
Button
Bracket
Infrared sensor of the
another automatic
flush valve.
Infrared sensor of the
automatic flush valve.
Installation
Instruction
(this manual)
3. Main dimensions of the piping
Stopper
K
For TET2ANS-32
4-3/4 1/2"
(120 13mm)
3-3/4"(95mm)
(For Max.1" wall)
1" NPT
TET2ANS-32
TET2DNS-32
Installation
DC Type
Step 2
Go to Step 4
For AC Type
1. Required tools
Adjustable wrench, Phillips and slotted screwdrivers,
wire stripper and crimping pliers.
1-1/2" O.D.
Install the optional transformer Model (THU701TR,
INPUT:120VAC,60Hz, OUTPUT:10VDC,1.95A or
THU700TR, INPUT:24VAC,60Hz, OUTPUT:10VDC,1.95A)
according the instructions given later in the “Installation of
the Transformer” section of this manual, mount the
junction box on a pillar or the like, and guide the two lead
wires from the secondary side (10VDC) of the transformer
to the junction box. Also guide the lead wires for multiple
junction boxes.
For TEU2DNS-11
2. Inspection
Unpack the flush valve and carefully make sure the
cover, main unit and all other parts are included and
intact before starting installation of the product.
TET2ANS-33
TET2DNS-33
*check local codes
Item
A
Figure
Description Q’ty
For TEU2DNS-11
3/4" NPT
3-3/4"(95mm)
(For Max.1" wall)
4-3/4 1/2"
(120 13mm)
Flush pipe
L
1
Main body
TET2ANS-31
TET2DNS-31
TEU2ANS-21
TEU2DNS-21
From the secondary side
of the transformer
(with a set of
valve)
1
1
Conduit tube
Only for toilet flush valve
To junction box
Front cover
(with an
infrared
sensor and
washer &
screw)
TEU2DNS-11
TEU2ANS-11
B
*check local codes
Conduit tube
Note
Manual flush button
(Only for toilet flush valve)
Junction box
Refer to local codes for special requirements.
To be continued on the back
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