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 Operating instruction   

 

    

 

 

      DUOMATIC 50 B 

 

 

The 

DUOMATIC 50 B

 timer is compatible 

with all standard switch programmes with 
50mm x 50mm cutouts (in accordance with 
DIN 49075). 

   Reset   Mode

 

 

 
 
 
 
 
 
 
 
 
 
 
 

 

 

ATTENTION! 

 

This appliance is not intended for use by 
person (including children) with reduced 
physical, sensory or mental capabilities, or 
lack of experience and knowledge, unless 
they have been given supervision or 
instruction concerning use of the appliance 
by a person responsible for their safety. 

 

Children should be supervised to ensure  
that they do not play with the appliance. 

 

Wiring diagram 
 

 

 

 

Technical appliances data 

 

Nom. operating voltage:  230V / 50 Hz 
Switching voltage: 

250V AC 

Switching contact load: 

3A (cos phi=1) 

Temperature range: 

0°C to +45°C 

Travel time: 

 

2 min. 

Switching delay:   

min. 0,5 sec. 

Accuracy: 

 

< 5 sec./day 

Reserve power:   

 16 hrs. 

Degree of protection: 

IP 40 

Safety class: 

 

II 

Conformity:                        CE

 

 

Operating the timer 

 

DOWN

 button

< 1 sec.

Inching mode; or STOP when motor running 

DOWN

 button

> 1 sec.

DOWN command 2 min. 

UP

 button

< 1 sec.

Inching mode; or STOP when motor running 

UP

 button

> 1 sec.

UP command 2 min. 

Mode

 button

> 2 sec.

Activating the programming mode 

Mode

 button

< 2 sec.

Changing the operating mode (manual mode; 
automatic; random automatic) 

Reset

 button

Initialising the appliance (new start); appliance is 
reset to the factory settings 

 

 

Programming the timer 

 

Press the Mode button 
> 2 sec.  

Time blinks. After new initialising and RESET the 
factory setting blinks (=> 12:00h). 

Set the time with the 

UP

 or 

DOWN

 buttons 

As soon as the UP or DOWN button is pressed 
the display stops blinking. If the UP or DOWN 
button is held the time display accelerates up to 
half-hour steps. 

Confirm with the 

Mode

 

button 

Current UP time is displayed. UP arrow blinks. 
After new initialising: factory setting UP time     
(=> 07:00h). 

Set the 

UP

 time with 

the 

UP

 or 

DOWN

 

buttons 

If the UP or DOWN button is held the time display 
accelerates up to half-hour steps. UP arrow 
blinks. 

Confirm with the 

Mode

 

button 

Current DOWN time is displayed. DOWN arrow 
blinks. After new initialising: factory setting DOWN 
time (=> 21:00h) 

Set the 

DOWN

 time 

with the 

UP

 or 

DOWN

 

buttons 

If the UP or DOWN button is held the time display 
accelerates up to half-hour steps. DOWN arrow 
blinks. 

Confirm with the 

Mode

 

button 

Exit from programming mode; time and selected 
mode are displayed. 

 
 

Factory settings 

If the 

RESET

 button is pressed all values return to the factory settings: 

 
Daily programme:       

UP 07:00h, DOWN 21:00h  

Time:                                 12:00h  
Function mode:                  

man 

 
 

Possible function modes 

Pressing the 

Mode

 button switches through all possible function modes 

successively. You can select from 3 modes: 
 

man

 Manual 

control 

 

auto

 

Automatic (daily programme) 

  

 

Automatic (daily programme) + random generator         

 
In the automatic mode the shutters are raised or lowered automatically at 
the programmed times. 

 
 

Inching mode 

Touch the direction buttons (about 1 sec.) to slant the blind slats. The 
system remains in the Automatic mode.

 

 
 

Random generator 

If the random generator is activated the programmed UP and DOWN times 
are moved back randomly by 1 - 31 minutes.

 

 

 
ATTENTION! Work on the 230V supply may only be carried out by a certified electrician!

Terminal

 

Motor

 

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