SOMFY J4 WT User manual

2 - Instructions to be respected
3 - Wiring 1 - Advance information
Images are not contractually binding.
Common (L) 3 Down Brown
2 Up Black
Neutral (N) 1 Blue
Earth ( )Green-Yellow
123
Drive connector
These instructions apply to all
J4 WT Protect drive, the different
versions of which are available in
the current catalogue.
FIELD OF APPLICATION
J4 drive are designed to drive all
types of tiltable venetian blinds.
The installer, who must be a
motorisation and home automation
professional, must ensure that the
motorised product is installed in
accordance with the standards in
force in the country in which it is
installed such as EN 13561 relating
to outdoor screens and awnings.
LIABILITY
Please read these instructions
carefully before installing and using
the drive. In addition to following the
instructions given in this guide, the
instructions detailed in the attached
Safety instructions document
must also be observed.
The drive must be installed by a
motorisation and home automation
professional, according to
instructions from Somfy and the
regulations applicable in the country
in which it is commissioned.
It is prohibited to use the drive
outside the field of application
described above. Such use, and
any failure to comply with the
instructions given in this guide and
in the attached Safety instructions
document, absolves Somfy of
any liability and invalidates the
warranty.
The installer must inform its
customers of the operating and
maintenance conditions for the
drive and must provide them
with the instructions for use and
maintenance, and the attached
Safety instructions document,
aer installing the drive. Any
Aer-Sales Service operation on
the drive must be performed by a
motorisation and home automation
professional.
If in doubt when installing the drive,
or to obtain additional information,
contact a Somfy adviser or go to the
website www.somfy.com.
GENARAL SAFETY
INSTRUCTIONS
The installation must be protected
from all unauthorised use.
Comply with the assembly and
operating guides, in particular
the safety instructions of the
manufacturer of the device to be
used.
To remove the drive supply cable
: Please use the J4 cable removal
tool supplied, ref: 9017811.
The drive, torque and operating
time must be adjusted accroding to
the whole installation.
The moving parts of the drives must
be protected if operating below
2.50 m from ground level.
Disconnect all connected cables
from the power supply before
working on the installation.
SAFETY INSTRUCTIONS FOR
WIRING
Cables which pass through a
metal wall must be protected
and isolated using a sheath or
sleeve.
Attach cables to prevent any
contact with moving parts.
If the drive is used outdoors,
and if the power supply cable is
a type H05-VVF cable, the cable
should be installed in a UV-resistant
duct, e.g. under a gland.
Leave the drive power supply
cable accessible: it must be
possible to replace it easily.
Always make a loop in the
power supply cable to prevent
water entering the drive.
SPECIFIC INSTRUCTIONS
Do not connect the drive to an
isolating transformer.
Do not use mains disconnection
devices in conjunction with a drive.
Use only mechanical switches
or electro-mechanical switches
(ex : relays) to control drives. The
contacts of the relays must not be
bypassed by capacitors.
In user mode, do not use electric
switches allowing simultaneous 
and  contact.
The drive must not be driven by a
solid-state relay or triac relay.
Always refer to the control system
instructions to do the proper wiring.
For control systems using
an «automatic running time
recognition procedure», please
consider the recommendations
given by the producer of the
controller : the N wire of the
controller has to be connected to
the N wire of each drive.
Continuous orders of at least
200ms must be sent to the drive to
ensure proper execution.
Intervals between “Down” and “Up”
orders must be at least 500ms.
The drive can be wired in parallel.
In this case take in consideration
the maximal load of the switch/
controller used (starting current
peak of the drive : 9 A in the first
3ms).
Phases and neutrals of each drive
must be connected together
respectively as shown below :
M MM
Common (down)
Common (up)
Neutral
Earth
THE WT SETTING TOOL
You can choose to use the WT setting tool or a control
point, type non-locking double pushbutton. Their
actions are equivalent, as below:
The type «non-locking double pushbutton» is only
useful for installation steps.
GUIDE TO FOLLOW
This short installation guide allows you to
follow step by step the drive installation
key stages.
Further information about the installation
of this drive is also available online:
WT
RTS
A
LEXICON
Safety warning!
1Caution!
Information
Control point, type non-locking
double pushbutton

«Up» button /

«Down» button
WT
RTS
A
WT setting tool
Ref. Europe : 9015971
Ref. Switzerland : 9016772

WT button of the WT setting tool
Mushroom
M
L
N
2
3
1
Drive
www.somfy.info
1/2
Short installation guide
J4 drive for External Venitian Blinds
EN J4 WT Protect
Ref. 5133944B
Translated instructions

5 - Activation of functions 4 - End limits setting6 - Drive resetting
Ensure that the EVB is at least 30cm below the stop on the mushroom
position.
Press simultaneously the buttons and hold at least 15seconds:
The current position of the EVB is stored as the lower position, unless
the lower end limit has been locked by the manufacturer.
SOMFY ACTIVITES SA, F-74300
CLUSES as manufacturer hereby
declares that the drive covered by these
instructions when marked for input voltage
230V~50Hz and used as intended according
to these instructions, is in compliance with
the essential requirements of the applicable
European Directives and in particular of the
Machinery Directive 2006/42/EC and EMC
Directive 2014/30/EU. The full text of the EU
declaration of conformity is available at
www.somfy.com/ce. Antoine Crézé,
Approval manager, acting on behalf of
Activity director, Cluses, 07/2019.
SOMFY ACTIVITES SA
50 avenue du Nouveau Monde
F - 74300 Cluses
www.somfy.com
Images are not contractually binding. - 100% recycled paper - Copyright © 2019 All rights reserved. SOMFY ACTIVITES SA, Société Anonyme, Capital 35.000.000 €, RCS Annecy 303.970.230 - 07/2019
2 back and forth
movements aer
5s then 15s =
drive reset
15 s
5 s
THE AUTO READJUSTMENT
Never activate this function if the head rail is out of alignment
or the mushroom is missing!
If there is no reaction from the EVB, the drive does not have
the auto readjustment function.
THE OBSTACLE DETECTION
x1
x2
Only 1 back and
forth movement =
function activated
2 back and forth
movements =
function deactivated
Brief movement =
lower end limit recorded.
Factory setting : the drive is supplied in lower end limit position. The mushroom can therefore be used to set the upper end limit position.
Brief movement =
upper end limit recorded.
5 s 5 s
Briefly press the

button.
Simultaneously press
and hold the motor
mushroom and the

button for 5 seconds:
Briefly press the

button.
2/2
Simultaneously press and hold the motor mushroom and
the

button for 5 seconds:
The EVB moves downwards for a few seconds.
5 s
1
1
22
3x1
WT
RTS
A
WT
T
T
T
T
T
T
T
T
T
T
Press the

button and hold 5s :
5 s
UPPER END LIMIT SETTING LOWER END LIMIT SETTING
1Press simultaneously the buttons and hold at least
5seconds :
You can exit this mode during the setting operation by
briefly pressing the

button on the WT setting tool.
OR
5
1 back and forth
movement =
setting mode
activated.
0,5 s Sensitivity level 0,5 s
Function activated, high
sensitivity level x 3
Function activated, low
sensitivity level x 2
Function deactivated x 1
The obstacle detection only works during an EVB upper
movement.
If the EVB moves up until it rests against the mushroom, the
upper end limit is stored at approximately 6 mm below the
mushroom position.
3Press the

button:
Ensure that the EVB is as least 15cm below the new desired
upper end limit.
2Press the

button (brief movement) and hold it until the required
upper end limit is reached:
If during a cycle, the upper end limit has automatically changed, then the auto readjustment function is activated.
Ensure that the EVB is as least 15cm up of the new desired
down end limit.
2Press the

button (brief movement) and hold it until the required
lower end limit is reached:
3Press the

button:
If there is no reaction from the EVB, the lower end limit has been
locked and can not be readjusted.
• if priority is given to the wind sensor order -> deactivate the obstacle detection function.
• if priority is given to the obstacle detection function -> set the low/high sensitivity level according to the type of outdoor venetian blinds.
When first using the product or if resetting, a full cycle must be completed (return movement of the product) to optimise the function.
Obstacle detection is set to a low sensitivity level as standard.
To select the sensitivity level of the obstacle detection function, press
the

button to increase the level and the

button to reduce the level
until deactivation:
x1
WT
RTS
A
5 s
WT
WT
WT
WT
T
WT
WT
WT
WT
WT
WT
W
WT
T
WT
T
T
WT
WT