Stern Engineering TUBULAR DM Series Product manual

1
E L E C T R O N I C L A V A T O R Y F A U C E T
TUBULAR DM
INSTALLATION AND MAINTENANCE GUIDE

INDEX
1 TECHNICAL DATA
2 PACK CONTENTS
Tubular DMB
Tubular DME
3 PRE INSTALLATION INFORMATION
4-5 FAUCET INSTALLATION
6-8 SETTINGS ADJUSTMENT
9 BATTERY REPLACEMENT INSTRUCTIONS
How to replace the battery at Tubular DMB
10 MAINTENANCE
Filter cleaning instructions
Care and cleaning of chrome and special finishes
11 TROUBLE-SHOOTING
12 SPARE PARTS LIST
13 LIMITED WARRANTY

1
T E C H N I CA L DATA
Power Supply: 9V battery or 9V transformer
Optional: IP 67 battery box for 6 x 1.5 V AA batteries
Operating Water Pressure: 0.3-8.0 bar (4.3-116 PSI)
With water pressure of more than 8 Bars,
use a pressure reducing valve for reduction.
Sensor Range: Self adjusting sensor. Adjustable with
remote control
Minimum Sensor Range: 80 mm.
Maximum Sensor Range: 300 mm.
Security time: 90 seconds. Adjustable with remote control.
Hot Water Supply: Max 70° C.
TUBULAR DMB 350700
Electronic faucet for cold or premixed
water to be powered by battery.
TUBULAR DME 350750
Electronic faucet for cold or premixed
water to be powered by electricity.

2
PACK CONTENTS
Familiarize yourself with the parts names and confirm that the parts are included.
TUBULAR DME
1. 1x Tap and attachments
2. 1x Solenoid valve,
housing, filter and
adapter
3. 1x Transformer
4. 1x Allen key
3
1
2
3
4
1
2
3
4
TUBULAR DMB
1. 1x Tap and attachments
2. 1x Solenoid valve,
housing, filter and
adapter
3. 1x Battery box
4. 1x Allen key

3
Check contents
Separate all parts from the packaging and check each part with the Pack
contents section. Pay attention to the different models variations.
Make sure all parts are accounted for before discarding any packaging mate-
rial. If any parts are missing, do not attempt to install your electronic faucet
until you obtain the missing
parts.
Warnings:
Do not install the system facing
a mirror or any other electronic
system operated by an infra-
red sensor.
To prevent reflection prob-
lems, it is recommended to
keep a minimum distance of
1.50 meters between the fau-
cet and any other objects.
Preparation for Installation
Flush water supply lines thoroughly before installing the faucet. Do not allow
dirt, Teflon tape or metal particles to enter the faucet.
Shut off water supply.
Important:
All plumbing is to be installed in accordance with applicable codes and regu-
lations.
PRE INSTALLATION INFO

4
FAUCET INSTALLATION
Step 1 – Remove all mounting hardware
Shut off the water supply and remove the
hexagonal nut, the disk and the gasket. Do
not remove the O-ring from the base of the
faucet.
Step 2 – Installing the faucet
1. Place the faucet with O-ring into the hole in deck or
lavatory. Make sure the O-ring is located between the
deck or lavatory and the bottom of the faucet.
2. Slide gasket over the flexible hose.
3. Secure the faucet to deck or lavatory with the
hexagonal nut and the disk.
O-Ring
Gasket
Disk
Hexagonal
nut
Step 3 – Connecting the water supply
1. Fit the pipe to the housing of the solenoid valve. Important: inlet and outlet should
follow the indicating arrow at the solenoid housing.
2. Fit the water supply inlet to the adapter at the solenoid valve housing.
Note: Make sure that the filter is assembled between the housing of the solenoid
valve and the adapter.
Important: Tubular DM was supplied with Stern’s new Self Adjusting Sensor. The
ideal sensor range for the specific location will be set automatically.
Before proceeding to step 3 check that
no objects are in front of the sensor
besides the washbasin.
Now remove the protecting sticker that
covers the sensor.

5
FAUCET INSTALLATION
Step 4 – Connecting the power source
1. For Tubular DMB: Install the battery box at the wall under the sink using the
two sided adhesive foam tape.
Important: The cable
connection must point
down. (You can use an
extension cable in order to
assemble the battery box
up to 10 meters away from
the sink).
2. For Tubular DME: Plug
the Transformer in to the
electricity socket and
connect the connectors.
Transformer
3.After you have connected the power source (Battery or
Transformer) wait 10 seconds in order to allow the system
to set the ideal sensor range. Then the product will be ready for
use.
4. Turn on the central water supply and the shut-off
valves.
5. Check for leaks.
6. If the automatically adjusted sensor settings is not satisfactory, please refer to
the section entitled “Settings adjustment”.

6
SETTINGS ADJUSTMENT
Adjusting the sensor range with the remote control
This faucet was supplied with Stern’s
new Self Adjusting Sensor. The ideal
sensor range for the specific location
will be set automatically.
Only if necessary, use the remote
control to adjust the sensor range as
follows:
Shut off the water supply. In order
to adjust the sensor with the remote
control hold the remote control straight
in front of the sensor in a distance of
about 4” (10cm). Choose the function
you want to adjust by pressing once
on one of the function buttons. After
pressing once on a specific function
button, a quick flashing of the red light
at the front of the sensor will occur. At
this stage, you can change the setting
by pressing the (+) or the (-) buttons, every push will increase or decrease one
level. After finishing the adjustment, turn the water supply back on.
DETECTION RANGE: Press + to increase detection range and – to
decrease the detection range of the sensor.
1
4
3
2
5
8
7
9
6
1
Note: Once you have changed the detection range with the remote control,
this distance will be remembered by the sensor, even if the power source is
disconnected. To get back to the self adjustment mode, use the ADJ button only.

7
ENTRANCE TO THE SELF ADJUSTMENT MODE: Check that no
objects are in front of the sensor. Press the ADJ button. Once a quick
flashing of the red light of the sensor eye is perceived, remove your
hand holding the remote control from the sensor area. The ideal
sensor range for the specific location will be set automatically. Ones
the self adjustment has taken place the solenoid valve will be opened
and closed for 1 second as an indication that the ideal sensor range
was set and the product is ready for use.
2
SECURITY TIME: The Security time, prevents continuous flushing
of water due to reflections or vandalism. By default, if the sensor is
coveredformorethan90secondsthewaterflowwillshutautomatically.
To resume regular operation any obstruction must be removed.
Press the SEC button. Wait until a quick flashing of the red light of the
sensor eye is perceived. Then, press + to increase the security time
and – to reduce it.
DELAY IN TIME: The delay in time prevents unwanted activations. It is
recommended to change the delay in time for flush valves for urinals
or toilets only.
If required, the delay in time can be modified also in faucets as
follows:
Press the IN button. Wait until a quick flashing of the red light of the
sensor eye is perceived. Then, press + to increase the delay in time
and – to reduce it.
SETTINGS ADJUSTMENT
Adjusting other settings with the remote control
3
4
DELAY OUT TIME: This button allows modifying the water flow time
after the user removes his hands from the faucet. A delay out time
close to 0 will save more water. An increased delay out time will make
the user experience more comfortable.
If required, the delay out time can be modified as follows:
Press the OUT button. Wait until a quick flashing of the red light of the
sensor eye is perceived. Then, press + to increase the delay out time
and – to reduce it.
5

8
LOCK OUT TIME: It is possible to program a lock out time in Stern
products upon request. This lock out time allows a user to activate
the faucet, only after a specific amount of time has passed.
If a specific lock out time was preset in a Stern product as default,
and you would like to deactivate it, press the lock button. Wait
until a quick flashing of the red light of the sensor eye is perceived.
Then press + to activate the lock out time or – to deactivate it.
To activate it again, press the lock button and without releasing it,
press the + button once.
TEMPORARY OFF FUNCTION: This function is ideal to perform any
kind of activity in front of the sensor without operating the system
(for example, cleaning).
The faucet will remain shut for 1 minute when this button is
pressed once. To cancel this function and to return to normal
operation press the On/Off button again or wait 1 minute.
7
8
9RESET BUTTON: This function restores all the factory settings except
for the sensor range. If required, press the Reset button and without
releasing it, press the + button once.
SETTINGS ADJUSTMENT
Note: To enter the self adjusting mode, use the ADJ button. To change the sensor
range, use the RANGE button.
24 HOUR HYGIENE FLUSH: It is possible to program a 24 hours
hygiene flush also in faucets upon request. This function is ideal
to maximize hygiene and prevent Legionella and other diseases.
It also helps to prevent pipes from freezing, keeping the water
moving through the pipes every 24 hours.
To activate the hygiene flush, press the clock button. Wait until a
quick flashing of the red light of the sensor eye is perceived. Then
press + to activate the hygiene flush or – to deactivate it.
6

9
BATTERY REPLACEMENT
Battery models only
When the battery weakens, the red indicator light will blink at a constant rate. The
battery must be replaced within two weeks.
To replace the battery at battery models:
1. Carefully open the battery’s box.
2. Remove the old battery.
3. Replace the used battery with a new 9V battery (Lithium battery is
recommended).
4. Close the box.
Important: Tubular DM was supplied with Stern’s new Self Adjusting Sensor.
The ideal sensor range for the specific location will be set automatically
again after changing the battery.
Check that there are no objects in
front of the sensor after the battery
replacement was completed.
After you have connected the power
source wait 10 seconds in order to allow
the system to set the ideal sensor range.
Then the product will be ready for use.

10
MAINTENANCE
Filter cleaning instructions
This tap is provided with a stainless steel filter preventing foreign particles to
enter the lines. If the water flow has decreased, this may be because the filter is
clogged.
The filter can be cleaned as follows:
1.Shut-off the water shut off valve.
2. Disconnect the water supply pipe from the adaptor and disassemble the filter
from it.
a. Wash the filter under running water.
b. Reassemble the parts.
c. Restore the incoming water supply.
d. Make sure that there is no water leakage.
Care and cleaning of chrome and special finishes
DO NOT use steel wool or cleansing agents containing alcohol, acid, abrasives, or
the like. Use of any prohibited cleaning or maintenance products or substances
could damage the surface of the faucet. For surface cleaning of faucets use ONLY
soap and water, then wipe dry with clean cloth or towel. When cleaning bathroom
tile, the faucets should be protected from any splattering of harsh cleansers.

11
TROUBLE SHOOTING
PROBLEM INDICATOR CAUSE SOLUTION
No water
coming
out of the
faucet:
Water flow
from spout
does not
stop:
Water flow
1.Sensor flashes
continuously when
user’s hands are within
the sensor’s range.
2. Red light in the sensor
does not flash when
user’s hands are within
the sensor’s range.
3. Red light in the sensor
flashes when user’s
hands are within the
sensor’s range.
1. Sensor flashes when
user’s hands are within
the sensor’s range.
2. Red light in the
sensor does not flash
when user’s hands
are within the sensor’s
range
Low battery.
1. Range is too short.
2. Range is too long.
3. Battery is completely used up
4. Unit is in “Security Mode”*
5. Sensor is picking up reflections from
the washbasin or another object.
1. Connectors between the electronic
unit and solenoid are disconnected.
2. Debris or scale in solenoid.
3. The central orifice in the diaphragm
is plugged or the diaphragm is torn
4. The water supply pressure is higher
than 8 bar.
5. The water supply pressure is under
8 bars and yet the pressure in the
faucet’s body is higher. This situation
could be caused by a sudden increase
in the water supply pressure that the
backcheck prevents from dropping,
even after water supply pressure drops
under 8 bars.
Debris or scale in diaphragm
1. Sensor is dirty or covered.**
2. Sensor is picking up reflections from
the washbasin or another object.
Filter or aerator is clogged
Replace battery.
Increase the range.
Decrease the range.
The battery must be replaced.
Eliminate cause of reflection.
Connect the electronic unit
connectors to the solenoid.
Unscrew solenoid, pull out the
plunger and the spring from the
solenoid and clean them. Use
scale remover material if needed.
When replacing the plunger,
please make sure that the spring
is in vertical position.
Clean the orifice or replace
diaphragm.
Reduce the supply water
pressure.
Shut off water supply and
unscrew one of the flexible pipes
in order to reduce the pressure
that blocks the product.
Clean the orifice or replace
diaphragm.
Clean or eliminate case of
interference.
1. Decrease the range or
eliminate cause of reflection.
Remove, clean, re-install
* “Security Mode”: If the sensor is covered for more than 90 sec. the faucet will automatically shut off
water flow. To return to normal operation remove any blockage.
** In this case, the water flow will stop anyway after 90 seconds because of the security time.

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S PA R E PA R T S L I ST
Self adjusting sensor kit
Solenoid valve kit
Solenoid housing kit
Battery box (Battery models only)
Transformer (Transformer models only)
Optional accessories:
Extension cable (Battery models only)
Remote control
Mixing valve (for one inlet models)
IP 67 Battery box with 6 x 1.5V AA batteries
IP 67 Transformer box with 300 mA transformer
Power splitter (2 ways)
Power splitter (3 ways)
Power splitter (4 ways)
Cat.No. 07220056
Cat. No. 07230002
Cat. No. 07231001
Cat. No. 06530008
Cat. No. 06522025
Cat. No. 06009015
Cat. No. 07100005
Cat. No. 200060
Cat.No. 06530020
Cat.No. 06530021
Cat.No. 06001001
Cat.No. 06001002
Cat.No. 06001003

13
LIMITED WARRANTY
This product is covered by a limited warranty of two years from date of
purchase.
During this period, STERN undertakes, at its option, to repair or replace any
faults caused by defective materials or manufacturer defaults that may arise
(see STERN Warranty).
The guarantee does not cover faults, labor costs or damage caused by incorrect
installation and/or maintenance, wear and tear, battery, or water composition.
This includes, but is not limited to the following:
• Incorrect installation, inversions of supply pipes.
• Pressures or temperatures exceeding recommended limits.
• Improper manipulation, tampering, bad or lapsed maintenance.
• Foreign bodies, dirt or scale introduced by the water supply.

14
15 Gan Rave Blvd., 81222 Gan Rave, Yavne, Israel
Tel: [phone], Fax: [phone], [e-mail]
www.sternfaucets.com
15 Gan Rave Blvd., 81222 Gan Rave, Yavne, Israel
Tel: [phone], Fax: [phone], [e-mail]
www.sternfaucets.com
06.10 01500022