66250457-EN - V 3.4 - 31/08/16
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VK4K/6256 Series “6 wire Bus” videokit
VK4K/6256 Series - Installation handbook
Index
Introduction
The VK4K Series is a new range of videokits that use the 4000 Series external door station and the Art. 6256 Series videophone.
The camera / audio unit is the size of a single 4000 Series module and is available in either flush (VK4K) or surface (VK4K-S) mounting
versions.
As a result of using microprocessor technology in the door panel and videophone, a number of additional features have been add-
ed to enhance the operation of the videokits and give greater feedback to the visitor and user.
• Disability friendly, visual and acoustic signals from the door panel to inform the visitor of call status (call made, ringing, speak,
door open).
• Programmable door open and conversation time.
• Expandable to 4 entrance panels (requires an additional relay Art. 506N for each entrance panel).
• Connections for a push to exit button.
• Two methods of operating the electric lock:- 1) Dry contact relay, 2) capacitor discharge 12Vdc output.
• Facility for the connection of a codelock Art. 4800M, display module Art. 4820, stand-alone proximity reader Art. 4850 or stand-
alone biometric reader Art. 4821 etc.
• Programmable number of call tone rings from 2 to a maximum of 8.
• Input for local door bell push button.
• Programmable timed privacy function from 15 minutes to a maximum of 8 hours.
• Door open status LED (additional wire required from the door to the videophone)
• Up to 4 videophones can be connected in parallel, all with intercommunication facility.
• Videophones can have a maximum of two additional audio telephone handsets connected in parallel.
• Camera recall on all systems, with selective recall on systems with multiple entrances.
• Door panel camera can be adjusted horizontally and vertically (10 degrees).
Introduction .................................................................................................................................................................................... 2
System components and available versions ................................................................................................................................ 3
General directions for installation ................................................................................................................................................ 5
Troubleshooting guide .................................................................................................................................................................. 6
Art. 4833 Speaker unit ................................................................................................................................................................... 7
Art. 4800 - 4800M Digital codelock module ............................................................................................................................... 10
4000 Series surface and flush mounting door station installation .......................................................................................... 13
Art. 6256 3.5" colour videophone .............................................................................................................................................. 15
6200 Series Videophone wall mounting instructions ............................................................................................................... 18
Installation diagrams ................................................................................................................................................................... 19
