LEGRAND Pro 21 7756 31 User manual

Pro 21™

Group radio shutter switch

7756 31

LE00988AA

Characteristics

Power

supply

Frequency

Range

1 CR2032

lithium battery

868.3 MHz

approximately 200 m

in free field

+ 5°C at + 45°C

L  50 mm

L =40 mm

L <40 mm

Characteristics (cont.)







Safety instructions

This product should preferably be

installed by a qualified electrician.

Incorrect installation or use may

cause electric shock or fire.

Read the instructions before installing.

Take into account the specific installation

location.

Do not open the unit. Legrand products

must only be opened and repaired by

qualified personnel, authorised by

LEGRAND. Unauthorised opening or repair

will cancel all liability, and will invalidate

the guarantee and any right to replacement.

Use only LEGRAND brand accessories.

Replacing the battery

Description

LEARN

key

LEARN

indicator

light

Control

keys

Factory settings

When first switching on, press the

control buttons for all blinds or shutters in

the "In One by Legrand" installation.

This facility enables to check the correct

operation and connection of all shutters.

A double press on the LEARN(1) key

cancels this general control function.

(1) Programming or learning key.

Operation

Shutter

- Opening

- Shutdown

- Closing

<0,4 s

STOP

Operation (cont.)

Slat orientation

- Opening

- Closing

>0,4 s

Transmitter

Group radio shutter switch

E.g.: 7756 31

Operation (cont.)

Example of creation of a general control:

controlling an individual shutter switch using a group shutter switch.

Receiver

Individual radio shutter switch

E.g.: 7756 28

Operation (cont.)

Transmitter

Open the scenario

Receiver(s)

LEARN indicator

light

Note:

learning is only necessary on the UP key – DOWN and STOP are learned automatically.

Legend

The indicator light

goes out

The indicator light blinks

slowly

The indicator light blinks

rapidly The indicator light

is flashing

LEARN indicator

light Shutter

Operation (cont.)

Save

the scenario

To add several individual switches, repeat the operations and for each receiver.

Add the individual switch

Transmitter Receiver(s)

LEARN indicator

light LEARN indicator

light Shutter

Learning is complete: the “Up - Down - Stop” controls can be issued indiscriminately from the individual radio shutter switch

or the group radio shutter switch.

Operation (cont.)

Example: modification of the previous general control function by adding an individual shutter switch B.

Transmitter

Group radio shutter switch

E.g.: 7756 31

Receiver (shutter A and B)

Individual radio shutter switch

E.g.: 7756 28

Shutter A

Shutter B

Table of contents

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