1. Introduction The DCC3/DCC4 Door Entry System enhances entry security by enabling the user to recognise the visitor by audible and visual means before openiing the door. The external intercom incorporates LED lighting to illuminate the visitor for the camera. This type of lighting has an indefi nte life.
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Fig 2 - Wiring diagram (DCC4 shown) Door catch External intercom BROWN BROWN BROWN BROWN Internal intercom 2 Internal intercom 1 (not for DCC3)
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3. Selecting intercom sites and cabling 3.1 Intercom sites The internal intercom should be located at a convenient position for all potential users at the height indicated in fi g 3a and at a maximum distance of 70m from the external intercom.
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4. Fixing Intercoms 4.1 External intercom Important: To give the best possible waterproofi ng and appearance we recommend taking the wiring through the exterior wall directly over the wiring terminals of the If the surface to be fi xed to is not even (e.g. pebbledash or brickwork with raised pointing) we recommend the use of at least 10mm (3/8") thick marine ply as a mounting plate between the wall and the intercom to give a fl...
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4.2 Internal intercom Choose a position which can be reached easily by all potential users. If one person usually in one location will be the main user it may be considered appropriate to locate the internal intercom within reach of that person. Mark out two holes suitable for No.
5. Commissioning/Use Press the call button (6) at the external intercom – a buzz will be heard locally and the camera will activate for 1 minute. A ring tone will be heard at the internal intercom for two to three rings and the display will show the visitor. Once the handset is lifted two way communication is possible via the microphone and speaker at the external intercom.
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8. Cleaning Unplug mains supply before cleaning product. Clean internal and external intercoms with a damp cloth only – no cleaning agents. Remove dust deposits from the louvres on the internal intercom with a soft brush or vacuum cleaner. 9. Specifi cations Mains supply: 90 –...
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