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VRDK1 TECHNICAL MANUAL
VER1.0
POWER SUPPLY
Art.520M
The power supply is the Art.520M. Outputs of 12Vdc (200mA), 8Vdc (300mA) and 13Vac
(1A) are available. The dc outputs are designed to power the amplifier modules only and
can not be used to power other devices such as lock releases etc. These items must be
connected to the AC output of this power supply.
.
TELEPHONE
Art.3021
BLOCK DIAGRAM
INSTALLATION
The wiring diagram towards the back of this manual should be followed carefully. Heavy
duty conductors on wiring diagrams are shown heavily outlined, These wires should be
doubled up.
- Check that all components are free from damage before installing (Do not proceed with
installation in the event of damage).
- Keep all packaging away from children.
- Do not obstruct the ventilation openings or slots on any of the devices.
CONNECTIONS
Terminal Function
+12
12Vdc output (200mA Max.)
+8
8Vdc output (300mA Max.)
-
0V
(Ground)
~
13Vac
(1A
Max.)
230
Mains in (Live connection)
0
Mains in (Neutral connection)
The Smart line Art.3021 is a wall mountable AC buzzer telephone
and includes a lock release push button.
CONNECTIONS:-
Function
1
Transmit speech to the door panel
2
Receive speech from the door panel
3 0V
4
Not used (Electronic call tone input)
5
Lock trigger (Switched 0V)
6
Call line (13Vac input to trigger buzzer)
Fuse
compartment
