PAGE 13 of 24 VR4K (4+1) SERIES TECHNICAL MANUAL VER1.1
• Press the “ ” button again to set the privacy duration. Each time the button is pressed, it will
increase the privacy duration by 15 minutes (starting from 0 up to a maximum of 20 hours i.e.
pressing the button 8 times = 2 hours up to a maximum of 80 presses for 20 hours).
• Once the required privacy duration has been reached, wait 3 seconds for the exit beep. To set the
privacy with no time out Press and hold the “
” button (for approx 10 seconds) until the unit emits a
beep do not press any other button, wait 3 seconds for the exit beep. The new value is now
stored.
Door Opening Time Programming (factory preset 1 second)
• Press and hold the “
” button (for approx 10 seconds) until the unit emits a beep.
• Press the “
” button for the number of seconds required (i.e. 6 presses = 6 seconds up to a
maximum of 225 seconds). Once the required door open time has been reached, wait 3 seconds for
the exit beep. The new value is now stored.
ACCESSORIES
Art. 512A, Art.512R
ES/1
506N
Extension sounder for an apartment. This sounder can be wall
mounted and will ring whenever the telephone it is connected to
rings.
Timed strobe unit for the hard of hearing or noisy environments.
The strobe will flash when a call is received and will continue
flashing for an adjustable time period or until the reset button is
pressed.
512A Connections
4 Call tone input
- 0V (Ground)
Connections
POWER 12V AC or DC input
I/P + trigger
+O/P 12Vdc output
GND Ground
RESET Switched negative reset
NC Normally closed relay connection
CO Common relay connection
NO Normally open relay connection
The 506 relay is a universal double pole relay which can be used for many functions.
One important function of the 506 relay when used on this system is to switch the video
signal on multiple door systems. Alternatively, the 520MR can be used which combines a
506 relay and a 520M PSU into one housing.
Connections
1 24V AC or DC input (Coil side A)
2 12V AC or DC input (Coil side A)
3 0V (Coil side B)
4 + transistor input
5 0V when using transistor input
CO1 Pole 1 Common relay connection
NO1 Pole 1 Normally open relay connection
NC1 Pole 1 Normally closed relay connection
CO2 Pole 2 Common relay connection
NO2 Pole 2 Normally open relay connection
NC2 Pole 2 Normally closed relay connection
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