SOMFY J4 WT User manual

www.somfy.com

J4 WT Protect Drive

Ref. 5134391A

Full installation guide

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J4 WT Protect Drive

Full installation guide

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INTRODUCTION

This guide is for use when installing J4WT Protect drives. The drive is

designed for the electrical control of Exterior Venetian Blinds (EVB).

This guide supplements the short installation guide supplied with

the drive.

All guides are available online at www.somfy.info.

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SAFETY

SPHERE OF APPLICATION

J4 drives are designed to drive all types of Exterior Venetian Blind (EVB).

The installer, a home motorisation and automation professional, must

ensure that once the driven product is installed, it respects the current

standards in the country of installation, notably standard EN 13561

relative to exterior blinds.

LIABILITY

Before operation, please read this guide carefully. In addition to

the instructions provided in this guide, please also comply with the

instructions set out in the enclosed Safety instructions document.

The drive must be installed by a home motorisation and automation

professional, in accordance with Somfy’s instructions and the applicable

regulations in the country of installation.

Any operation of the drive outside the sphere of application described

above is prohibited. Such operation shall exclude Somfy from all liability

and invalidate the Somfy warranty, as will any failure to comply with

the instructions given herein and in the enclosed Safety instructions

document.

Aer installing the drive, the installer must inform his customers of

the operating and maintenance conditions for the drive and must pass

the operating and maintenance instructions on to them, as well as the

Safety instructions document. Any Aer-Sales Service operation on

the drive requires intervention by a home motorisation and automation

professional.

Should any doubt arise during installation of the drive or for additional

information, consult a Somfy contact or visit www.somfy.com.

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GENERAL SAFETY INSTRUCTIONS

The installation must be protected from all unauthorised use.

Comply with the assembly and operating guides, in particular the safety

instructions supplied by the manufacturer of the device to be used.

To remove the drive power cable, please use the J4 cable removal tool

supplied, ref: 9017811.

The drive, torque and operating time must be adjusted in relation to the

whole installation.

Moving parts of the drive must be protected if operating less than

2.50 m from the ground or other level surface.

Disconnect all connected cables from the power supply before working

on the installation.

SAFETY INSTRUCTIONS FOR WIRING

Cables routed through a metal wall must be protected and insulated

by sleeving or sheathing.

Secure the cables to prevent any contact with moving parts.

If the drive is used outdoors and if the power supply cable is of the

H05-VVF type, run the cable in a UV-resistant duct, e.g. trunking.

Leave the drive power supply cable accessible: it must be easily

replaceable.

Always make a loop in the power cable to prevent water from

entering the drive!

SOMFY ACTIVITES SA, F-74300 CLUSES as manufacturer hereby declares that

the drive covered by these instructions 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 the

Business Director, Cluses, 06/2017.

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SPECIFIC INSTRUCTIONS

Do not connect the drive to an isolating transformer.

Do not use mains disconnection devices in conjunction with a drive.

Do not use more than one switch per drive.

Use only mechanical or electro-mechanical switches (e.g.: relays) to

control drives. The relay contacts must not be bypassed by capacitors.

In user mode, do not use electric switches that allow the

▲

and

▼

buttons

to be pressed simultaneously.

The drive must not be driven by a solid-state relay or triac relay.

Always refer to the control system instructions for proper wiring.

For control systems using an “automatic operating time recognition

procedure”, follow the recommendations made by the controller

manufacturer: The controller neutral must be connected to neutral of

each drive.

Continuous orders of at least 200ms must be sent to the drive to ensure

proper execution.

There must be an interval of at least 500 ms between “Down” and “Up”

orders.

The drive can be wired in parallel. In this case, take into account the

maximum load of the switch/controller used (peak starting current:

9 A for 3 ms).

The phases and neutrals of each drive must be connected together

respectively, as shown below:

M MM

Down

Neutral

Earth

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1. General 7

1.1. Beneﬁts of the J4 WT Protect 7

1.2. Compatible exterior Venetian blinds 8

2. The drive and its three new functions 9

2.1. Obstacle detection & stress relief 9

2.2. Frost detection & stress relief 9

2.3. Automatic upper end limit adjustment 9

3. Technical details 10

3.1. Drive components 10

3.2. Mushroom 11

3.3. Description of an application 12

3.4. Technical data 13

4. Installation in an EVB 16

4.1. Cutting the head rail 16

4.2. Assembly in a head rail 16

4.3. Installing the drive 23

5. Use and maintenance 26

5.1. Raising the EVB 26

5.2. Lowering the EVB 26

6. Tips & recommendations 27

6.1. Resetting the drive 27

6.2. RTS and io compatibility 27

6.3. Troubleshooting table 28

6.4. FAQ 29

CONTENTS

[ Interactive sections: click on any title to go straight to that section. ]

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The new version of the J4 WT Protect drive forms part of the new,

improved SOMFY wired electronic range, with new components and

a new design.

1. GENERAL

1.1. BENEFITS OF THE J4 WT PROTECT

Customised natural

light management

Controlled heat exchange

Complete sun protection

for large windows

Guaranteed privacy -

see without being seen

Architectural element of the

façade in its own right

Frost and obstacle

detection

Automatic upper end

limit adjustment function

Breakage-resistant function

Application safety,

long life and protection

EVB beneﬁts

Compatible with all types of EVB

Somfy +points

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1.2. COMPATIBLE EXTERIOR VENETIAN BLINDS

Standard (or conventional) EVB with ladder

and cords.

Functions: Up/Down/Slat orientation

T Y PE 1

T Y PE 2

T Y PE 3

Type 1

EVB with chain or belt apron drive

mechanism. Optimum shading

(slats without holes).

→ Level 1 security - slats cannot be lied

by hand.

Functions: Up/Down/Slat orientation

T Y PE 1

T Y PE 2

T Y PE 3

Type 2

EVB with slat drive and orientation

mechanism fully built into guide rails.

→ Attractive + protects against forced

entry

Functions: Up/Down with slats open/

Slat orientation

T Y PE 1

T Y PE 2

T Y PE 3

Type 3

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2. THE DRIVE AND ITS THREE NEW FUNCTIONS

2.1. OBSTACLE DETECTION & STRESS RELIEF

When the EVB meets an obstacle on the way up, the J4 WT Protect

drive immediately stops and reverses to relieve the stress on the EVB

components. The slats tilt in the opposite direction so that the obstacle

can be released. This function, which helps to extend the life of the EVB,

is activated by default.

2.2. FROST DETECTION & STRESS RELIEF

If the EVB is prevented from rising due to frost, the J4 WT Protect

drive stops immediately and reverses slightly to relieve the stress. This

function, which helps to extend the life of the EVB, is activated by default.

2.3. AUTOMATIC UPPER END LIMIT ADJUSTMENT

For reduced maintenance, the J4 WT Protect drive automatically adjusts

its upper position on the ﬁrst operating cycle, aer 5 cycles, 10 cycles

and then every 50 cycles. This function is not activated by default. It can

be enabled either through an on-site adjustment operation or using the

EMS2 setting tool.

If a building controller is used, aer an obstacle has been

detected, the blind must be placed in the lower end limit

position to resynchronise the drive with the controller.

All of these functions can be deactivated and reactivated

(see section 4.Installation in an EVB).

Obstacle detection only takes place when the EVB is rising.

When the drive is ﬁrst installed or reset, a complete cycle (round

trip of the application) must be performed to optimise the

function.

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3. TECHNICAL DETAILS

3.1. DRIVE COMPONENTS

1Sha adaptors

2Sha/Rotor

3Stator

4Brake

5Gearbox

6Mushroom

7Limit switch casing

8Power connector

5 643 7

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