LEGRAND Pro 21 7756 28 User manual

Pro 21TM
Individual radio shutter switch
with slat orientation
7756 28
Characteristics
LE00987AA
Voltage
Frequency
RF
Frequency
Range
50 - 60 Hz
868.3 MHz
approximately 200 m in
free field
+ 5°C at + 45°C
100 - 240 V±
2 x 1.5 mm2
or 1 x 2.5 mm2
110 V±
230 V±
1 x 270 VA
1 x 500 VA
Note:
an individual radio shutter switch with slat orientation controls a single motor.

L  50 mm
L =40 mm
L <40 mm
2
Characteristics (cont.)

3
8 mm
L
N
Cabling
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.

4
Control keys
LEARN key LEARN indicator light
Description Factory settings
When first switching on, the product can
be controlled in mode by all the
group shutter controls 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.

5
Operation
Shutter
- Opening
- Shutdown
- Closing
<0.4 s
<0.4 s
<0.4 s
STOP

6
Operation (cont.)
Slat orientation
- Opening
- Closing
>0.4 s
>0.4 s

7
Operation (cont.)
Example of creation of a general control:
controlling an individual shutter switch using a group shutter switch.
Transmitter
Group radio shutter switch
E.g.: 7756 31
Receiver
Individual radio shutter switch
E.g.: 7756 28

8
Operation (cont.)
Transmitter
Open the scenario
Receiver(s)
LEARN
indicator light
Note:
learning is only necessary on the UP key – STOP and DOWN 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 Blind

9
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 Blind
Learning is complete: the “Up - Down - Stop” controls can be issued indiscriminately via the individual radio shutter switch
or the group radio shutter switch.

10
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

11
Operation (cont.)
Transmitter
Open the scenario
Receiver(s)
LEARN
indicator light
All the products
in the existing
scenario blink
LEARN
indicator light
Shutter A Shutter B
LEARN
indicator light
Blind Blind
Recall the existing
scenario

12
Operation (cont.)
Transmitter Receiver(s)
LEARN
indicator light
LEARN
indicator light
Shutter A Shutter B
LEARN
indicator light
Blind Blind
Save the scenario
Individual Shutter
switch B
The scenario has been modified: the flaps can be controlled indiscriminately from the group shutter switch or the individual
radio shutter switch(es).

13
Operation (cont.)


Restores the product
to its factory settings.
10 s 5 s
Return to factory mode
Removing the receiver from all scenarios
Removing the receiver from a scenario
10 s 5 s

14
Operation (cont.)
PROBLEM CAUSE SOLUTION
The Learn indicator light comes on for
5 seconds.
Learning is impossible. Install compatible products.
The Learn indicator light comes on for
10 seconds.
The number of transmitters memorised
is greater than 32.
Delete unused scenarios.
The Learn indicator light
no longer blinks during learning.
The learning mode closes after
10 minutes (if no action is taken).
Start learning again.
During learning, pressing the program-
med control button does not make the
Learn indicator light blink rapidly.
After one press on the Learn key,
function key learning must be done
within the following minute.
Start learning again.
When the scenario is saved the Learn
indicator lights of certain receivers do
not go out.
Poor communication between
products.
Reduce the distance between the
transmitter and the receiver(s), then
start learning again or add a repeater.

15
Pro 21TM
Rollladeneinzelschalter mit
Lamellenverstellung und Funksteuerung
7756 28
Technische Daten
Betriebss-
pannung
Frequenz
Funk-
frequenz
Reichweite
50 - 60 Hz
868,3 MHz
ca. 200 m im Freifeld
+ 5°C bis + 45°C
100 - 240 V±
2 x 1,5 mm2
oder 1 x 2,5 mm2
110 V±
230 V±
1 x 270 VA
1 x 500 VA
Hinweis:
ein Rollladeneinzelschalter mit Lamellenverstellung und Funksteuerung steuert nur einen Motor.

16
L  50 mm
L =40 mm
L <40 mm
Technische Daten (Fortsetzung)

17
8 mm
L
N
Verdrahtung
Sicherheitsvorschriften
Dieses Gerät darf nur durch eine
Elektrofachkraft eingebaut werden.
Bei nicht ordnungsgemäßem Einbau
bzw. Gebrauch besteht Stromschlag-
oder Brandgefahr.
Vor dem Einbau die Anleitung lesen und
den gerätespezifischen Einbauort
beachten.
Das Gerät nicht öffnen. Alle Geräte von
Legrand dürfen ausschließlich durch von
LEGRAND geschultes und anerkanntes
Personal geöffnet und repariert werden.
Durch unbefugtes Öffnen und/oder
Reparatur erlöschen alle Haftungs-,
Ersatz- und Garantieansprüche.
Ausschließlich Zubehör der Marke
LEGRAND verwenden.

18
Bedientasten
LEARN-Taste LEARN-Leuchtdiode
Beschreibung Werkseinstellung
Bei erstmaliger Inbetriebnahme kann die
Steuerung des Geräts durch alle
Rollladenzentralschalter der „In One by
Legrand“ Installation erfolgen.
Diese Funktion dient der Prüfung des
einwandfreien Betriebs und Anschlusses
aller Öffnungspunkte.
Das zweimalige Drücken der LEARN-
Taste(1) annulliert diese Funktion der
Zentralansteuerung.
(1) Programmier- oder Einlerntaste.

19
Funktionsweise
Rollladen
- Auf
- Stop
- Ab
<0,4 s
<0,4 s
<0,4 s
STOP

20
Funktionsweise (Fortsetzung)
Lamellenverstellung
- Auf
- Ab
>0,4 s
>0,4 s