SOMFY FTS Series User manual

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FTS SYSTEM

Principle - Advice on ﬁtting - Installation

Electrical diagrams - Selection charts - Accessories

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Contents

FTS system operating principle............................................................................. 2

Advice on installing the FTS system....................................................................... 12

FTS system installation guide .............................................................................. 13

Wiring conﬁgurations of the FTS system................................................................. 24

FTS control systems ........................................................................................... 36

FTS mechanical accessories.................................................................................. 39

FTS charts (230v/50hz range motors) .................................................................... 52

Legal information on the FTS system ..................................................................... 68

Important information:

The selection of components such as the tube, the fabric and the load bar and any other accessories•

is the responsibility of the manufacturer and /or installer.

The manufacturer of the complete solution is responsible for the complete test of the FTS system and•

must ensure that all the components are compatible with one another.

All instructions must be followed closely regardless of the system’s specification. Failure to do so shall•

absolve Somfy of any responsibility and void the warranty.

The technical details of each product are available and can be supplied by Somfy’s technical services.•

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page2

FTS system operating principle

ABRIC

ENSION

YSTEM

LECTRONIC

FABRIC TENSION SYSTEM

The FTS is a complete system. It comprises two FTS actuators, a control unit and accessories needed for installation (brackets,

adaptors, etc.) and operation (control system).

The FTS is suited to horizontal protection installations that require optimised tension of the fabric.

The control is performed using a double push button or a sun/wind automatic function or radio remote controls, etc.

Function

The principle of the FTS system is of a fabric placed between two motorised roller tubes that is held under tension at all

times when being rolled and unrolled. The first actuator is located in the roller tube of the fabric, the second is in the roller

tube of the strap. The tension of the fabric is regulated by the FTS control unit. Tis unit sends the tension commands to the

actuators. The control unit has two types of fabric tension: dynamic tension that lasts the duration of the unwinding and the

final tension after the actuators have stopped, at the end limit or following a "stop" command.

6723

,,,

9,,

9,,,

9,,

I Fabric actuator

II Strap actuator

III Fabric tube

IV Straps tube

V FTS control box

VI Fabric

VII Straps

VIII Guide pulleys

IX Control system

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page3

FTS system operating principle

The FTS Hi-Pro actuator

The FTS actuator is based on the LT50 or LT60 actuator, so it has the same general specifications of the other actuators of the

Hi-Pro range, except:

The brake power supply is independent of the electrical actuator (grey wire).•

The 5-conductor black RRF cable cannot be disconnected, length 1 or 2.5 metres.•

78 max

47

L1 max

20 max

25 max

3,95 max

17,15 min

L2 ±3

63 max



78 max

60

L1 max

23 max

34 max

7,5 max

16,8 min

L2 ±3

63 max

FTS LT50 25/17

FTS LT60 55/17

FTS LT60 70/17

Technical data Europe range US/Japan range

FTS LT50 25/17 FTS LT60 55/17 FTS LT60 70/17 FTS LT50 25/17-20 FTS LT60 55/17

L1 (total length) 655 694 655 694

L2 (drive wheel mounting distance) 640 677 640 677

Torque (Nm) 25 55 70 25 55

Speed (rpm) 17 17 - 20

Capacity of the end limit cage (number of turns) 46 35 46 35

Power consumption (W) 180 350 390 250 440

Normal supply voltage (V) 230 100

Power supply frequency (Hz) 50 50/60

Nominal rating (A) 0.95 1.5 1.9 2.35 4.3

Continuous operation time before thermal cut-out

(min) 8787

Thermal triggering temperature (°C) 130 140 150 130 140

Operating temperature -10°C / +40°C -10°C / +40°C

Actuator diameter (mm) 47 60 47 60

Min diameter of roller tube (mm) 50 x 1.5 63 x 1.5 50 x 1.5 63 x 1.5

Weight of actuator alone (kg) 2.93 5 5.1 2.95 5

Length of pre-mounted cable (m) - non removable

cable 1 / 2.5 1 / 2.5

Cable wire gauge (mm2) 0.75 0.75

Number of wires in the cable 5 5

Cable type Black RRF Black RRF

Protection rating (actuator horizontal) IP44 IP44

CE marking yes no

For the other actuator ranges, contact Somfy's technical service department.

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page4

FTS system operating principle

The control unit

The FTS control unit allows the fabric and strap tension to be adjusted:•

The dynamic tension makes it possible to brake the unrolling of the fabric or the straps while the system is in motion.•

The final tension makes it possible to tighten the fabric perfectly when it stops moving.•

The FTS control unit uses a double push button (stop by pressing both push buttons) for automated operation or Somfy•

automated systems connected to dry contact pulsed outputs (potential-free).

The safety function of the system when starting stops the system if one of the motors does not start after 1 second,•

either due to jamming or too much play in the installation.

Compatible with control units, for example Soliris IB sun/wind automated functions or radio remote controls.•

Possibility of connecting a safety switch (normally closed switch).•

Thermal safety. Power supply of both actuators cut off in case of heat detection on one of the actuators.•

Output delay: 6 minutes.•

Brake: pressing this button releases the brakes of both actuators. The fabric is no longer taught and can be unrolled for•

assembly operations. The brake button can only be actuated for a maximum of 2 minutes.

Fitting the FTS control unit

The FTS control unit can be fitted outdoors, as long as the

location is protected from the rain and direct sunlight.

The unit is attached with 4 screws.

The cable outlets must be pointed downwards. Unused

outlets must be blocked.

Mounting the control box

Drill holes in the wall according to the drilling plan, and fit the•

screws with the rubber pad between the washers.

Screw in until the clearance between the washers and the•

rubber pad has been eliminated.

Position the box on the 4 screws.•

Tighten the screws until the rubber pads lock into the holes in•

the box.

Install the cover after wiring.•

Tighten the screws.•

125

170

1 2

5 6

Technical data, Europe range

Housing Material ABS

Colour Grey

Dimensions 190 x 145 x 80 mm

Protection rating (with packing glands) IP56

Power supply Nominal 220 - 240 V

Min / Max 198 / 255 V

Frequency 50 – 60 Hz

Electromagnetic compatibility CEI 1000-4-2 8 kV minimum

CEI 1000-4-3 level III guaranteed

CEI 1000-4-4 level III guaranteed

Temperature range Operation 0°C to +40°C

Storage -15°C to +70°C

Level of relative humidity 90% max at 25°C

Terminals screwed

Fuse 5 A - 230 V

Electromagnetic brake output relay 5 A max

Actuator control output with triac 5 A max

Weight 0,935 kg

CE marking Yes

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page5

FTS system operating principle

Individual one-touch control• via double push button.

Compatible with SOMFY Soliris IB automated systems.

Symmetrical dynamic tension• (the preset dynamic brake will

be applied to the straps actuator and the fabric actuator) or

dissymmetrical dynamic tension (the preset dynamic brake will

be applied to the straps actuator or the fabric actuator, depending

on a dip switch selection). (XII)

Fabric dynamic tension• adjustable via potentiometer. (XIII)

Fabric final tension• adjustable via potentiometer. (

XIV

)

Safety contact• , e.g. for skylight, between terminals 10 and 13.

Thermal safety• : power supply of the actuators cut off in case of

thermal cut-out detection on one of the actuators.

Simultaneous brake release• . (XI)

Delay on actuator outputs• : 6 min.

Power supply 50/60 Hz frequency setting• . (X)

After the fabric is unrolled or rolled, the system must be re-tensioned, this function is performed by the control unit,•

providing the final tension.

The dynamic tension and final tension can be adjusted at the control unit to adapt them to the constraints of the•

installation:

Forward movement of the system•

Rigidity of the load bearing structure•

Exposure to the wind•

etc.•

Specifications

Concept of adjustment when the fabric or straps are being unwound

FUSE

OFF OFF

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Weight of the load bar and

fabric

Fabric actuator Straps actuator

Movement Fabric actuator Straps actuator

Unrolling the fabric the dynamic tension brakes the unrolling of

the fabric The actuator rolls the straps until the end limit

Rolling the fabric The actuator rolls the fabric until the end limit the dynamic tension brakes the unrolling of

the straps

Unrolling the

fabric

Rolling the

fabric

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page6

FTS system operating principle

Operation of the FTS

Control Control unit Actuators Actuator power supply

No order On standby The fabric + strap assembly remains

mechanically tensioned.

None

Press the brake

release button.

The fabric and strap tubes can rotate

freely: they will turn under the weight

of the system or if they are rotated

manually.

(free rotation of the two actuators)

Power supply to the fabric and

strap actuator brakes while the

release button is pressed.

Note: this function must only be

used for a technical operation on

the FTS system.

Press (1/2 sec.) on

the awning out

button.

Outputs timed until

the end limit is

reached or the "stop"

command is made

using the control.

The strap tube rolls the straps, the fabric

tube brakes the fabric to prevent it from

sagging too much (dynamic tension).

RollerDynamic

braking

Power supply:

for the 2 actuator brakes.•

for the strap actuator in the•

direction that corresponds to

the rolling of the straps.

for the fabric actuator at•

reduced tension (dynamic

tension).

Press both

buttons,

or on the awning

out button,

or stop at end

limit of the

system.

Output timed by the

final tension setting.

The strap tube is locked, the fabric

tube rolls the fabric to tension it for the

duration of the final tension delay.

Power supply:

for the fabric actuator brake.•

for the fabric actuator in the•

direction that corresponds to

the rolling of the fabric.

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page7

FTS system operating principle

Operation of the FTS

Control Control unit Actuators Actuator power supply

Press (1/2 sec.) on

the awning in

button.

Outputs timed until

the end limit is

reached or the "stop"

command is made

using the reverse

control.

The fabric tube rolls the fabric, the

strap tube brakes the straps slightly

to prevent excessive sagging (dynamic

tension).

Dynamic

braking

Roller

Power supply:

for the 2 actuator brakes.•

for the fabric actuator in the•

direction that corresponds to

the rolling of the fabric.

for the strap actuator at•

reduced tension (dynamic

tension).

Press both

buttons,

or on the awning

out button,

or stop at end

limit of the

system.

Output timed by the

final tension setting.

The fabric tube is locked, the strap tube

rolls the straps to tension them for the

duration of the final tension delay.

Power supply:

for the strap actuator brake.•

for the strap actuator in the•

direction that corresponds to

the rolling of the straps.

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page8

FTS system operating principle

This setting is entirely linked to the way the system has been fitted.

Symmetrical tension of the fabric should be selected for horizontal installations.•

Asymmetric tension of the fabric should be selected for certain installations to fit•

special cases, that have the prior approval of Somfy's technical services.

Setting the symmetric / asymmetric tension

ONON

OFFOFF

ONON

OFFOFF

ONON

OFFOFF

ONON

OFFOFF

Symmetric tensioning of the fabric:

A) When the dipswitches (XII) are in the ON/ON position, the

braking effect is active, for the two actuators (fabric actuator

and strap actuator), according to the potentiometer setting

(XIII).

This is the factory setting for standard cases.

B) When the dipswitches (XII) are in the OFF/OFF position,

the braking effect is in the minimum range for the two

actuators (fabric and strap actuators).

This setting requires prior approval by Somfy's technical

services.

Asymmetric tension of the fabric, fabric actuator at the

top:

When the dipswitches (XII) are in the ON/OFF position, the

braking effect is active for the fabric actuator according to the

potentiometer setting (XIII) and the braking effect is at the

minimum setting for the strap actuator.

This type of installation requires prior approval by

Somfy's technical services.

Asymmetric tension of the fabric, fabric actuator at the

bottom:

When the dipswitches (XII) are in the OFF/ON position, the

braking effect is active for the strap actuator according to the

potentiometer setting (XIII) and the braking effect for the

fabric actuator

is at the minimum setting.

This type of installation requires prior approval by

Somfy's technical services.

Fabric actuator

Straps actuator

OFF OFF

(XIII)

(XII)

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page9

To achieve an optimum setting, first set the potentiometer (XIII) to 0, then adjust the potentiometer gradually until the

fabric is slightly tensioned when being rolled up and unrolled (too much dynamic tension will inhibit the operation of the

system).

N.B.: the tension of the fabric will vary when the actuators are hot (the "thermal time" of the FTS actuators is on average 8

minutes for FTS LT50 actuators and 7 minutes for FTS LT60 actuators).

Note: this setting must be made after having selected the symmetric/asymmetric tension that corresponds to the installation

and once the actuator end stops have been set (see previous page).

Setting the dynamic tension of the fabric (braking effect during unrolling)

FTS system operating principle

Request fabric feed-out: during unwinding, the fabric actuator brakes the•

fabric very gently.

If the fabric unwinds too quickly, it will sag:

Using a flat-blade screwdriver, gradually increase the potentiometer value

(XIII) to limit the sag of the fabric.

h stress on the structure

(XIII)

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