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WWW.FUHR.DE
multitronic
881/881GL/ServoAccess
Detailed installation, operating and
maintenance instructions MBW24
of the radio receiver module VNBFP490:
www.fuhr.de
6.2 THE RADIO RECEIVER
If only a radio signal is required to open the door, the radio
receiver module can be used as an alternative to the control
unit (for locks from date of manufacture: 04/2010).
The radio receiver module VNBFP490 (1) receives the radio
signal and forwards it to the motor for door opening. It has a
transparent programming button with red control LED (2) for
pairing the FUHR radio transmitters and a 3-wire connection
cable (3), which is connected to the green plug of the motor
drive.
To position and fix the drive unit, the radio-controlled
module’s housing is equipped with an insertion channel and
a catch spring (4). The drive unit is equipped with appropri-
ate mounting areas*. Slide the radio receiver module down-
wards along the insertion channel until the catch spring in
the motor drive’s housing positively engages into place.
There is an opening (5) in the lock faceplate located above
of the drive unit, through which one can activate the LED
tune-in button (2) in a built-in state from the outside with
a thin object. This LED tune-in button must be pressed first
for disassembly, before the radio receiver module can be
removed towards the top.
Connecting the cables
Three cables are located on the back of the radio receiver:
white, brown & green. Please connect these three cables in
the correct arrangement to the following screw terminals of
the multifunction plug of the motor drive:
Terminal 4 – white cable
Terminal 5 – brown cable
Terminal 6 – green cable
After the motorised lock’s 12 V DC power supply has been
connected (terminal 2-3 refer to chapter 6.3), the radio
receiver is operational.
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