V-Tec VIDEO DOOR PHONE SYSTEM Manual Pagina 6

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DOOR PHONE AND VIDEO DOOR PHONE SYSTEM - DIAGRAM -
Section 1
SECTION 1 CONTENTS
DOOR PHONE AND VIDEO DOOR PHONE SYSTEM - DIAGRAM
DOOR PHONE - VIDEO DOOR PHONE SYSTEMS: Installation Diagrams
Sec. Pag.
INSTALLATION DIAGRAMS
INSTRUCTIONS FOR INSTALLER .......................................................................................................................................................1 ................3
Conductor cross-section.....................................................................................................................................................................1 ................3
Wire laying..........................................................................................................................................................................................1 ................3
Instruction for grounding or not of the electronic locks and push button panels.................................................................................1 ................4
Door opener service ...........................................................................................................................................................................1 ................4
Tv camera unit....................................................................................................................................................................................1 ................4
OPERATING ANOMALIES ....................................................................................................................................................................1 ................4
Background noise in outdoor station systems ....................................................................................................................................1 ................4
Radio frequency picking .....................................................................................................................................................................1 ................4
Non-operation of the call to the loudspeaker......................................................................................................................................1 ................4
Insuffi cient reception in outdoor station systems................................................................................................................................1 ................4
Whistle or larsen effect .......................................................................................................................................................................1 ................4
Intercoms............................................................................................................................................................................................1 ................4
System check and possible failures outdoor station system control...................................................................................................1 ................5
1- or 2-user basic video door phone system troubleshooting and solutions.......................................................................................1 ................5
Reducing architectural barriers...........................................................................................................................................................1 ................5
SYSTEM TYPOLOGIES ........................................................................................................................................................................1 ................6
Door phone systems...........................................................................................................................................................................1 ................6
Video door phone systems .................................................................................................................................................................1 ................6
CHOOSING THE RIGHT SYSTEM........................................................................................................................................................1 ................6
Door phone systems...........................................................................................................................................................................1 ................6
Video door phone systems .................................................................................................................................................................1 ................7
DIAGRAM NOTES 1 8
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