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PAGE 14 of 24 VR4K (4+1) SERIES TECHNICAL MANUAL VER1.1

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.

- All connections to mains voltages must be made to the current national standards (IEE Wiring

regulations)

- Install an appropriate fused spur or isolation switch to isolate the mains.

- Isolate the mains before carrying out any maintenance work on the system.

- All intercom and access control cables must be routed separately from the mains.

- When the panel is mounted on an uneven surface, use additional sealant to protect from water ingress.

Lock release back EMF protection : A capacitor must be fitted across the terminals on

an AC powered lock release

and a diode must be fitted across the terminals on a DC

powered lock release as shown in the diagrams below to suppress back EMF voltages.

LOCK RELEASE

12V AC

0.1uF capacitor

1N4002

12V DC

LOCK RELEASE

DIODE

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Videx VANDAL RESISTANT Bedienerhandbuch Seite 14