122
(MT12 - Gb2004)
I
NTERCOMS *
V
IDEOINTERCOMS *
T
ELECOMMUNICATION
coax
VIDEO INTERCOM SYSTEM WITH SECONDARY VIDEO STATIONS AND 2 MAIN COMMON VIDEO STATIONS (multiple entrance)
Diagram ref. Q.ty Article Description
VC ... PT 5160 + WB 5100 Videointercom FLAT + wall bracket
PT 5660 + WB 5600 + 1283 Videointercom + wall bracket + back box
PT 5860 + WB 5600 Videointercom reflex + wall bracket
PV 1260 + WB1200 + 1283 Videointercom + wall bracket + back box
PV 2160 + WB 2100 Videointercom FLAT + wall bracket
DV ... DV2-4 Video distributor
AV 2+.. 476 Video distributor
AL 2+X 1281 Power supply
TR 1+X 1382 Timer
DS 2xX 1273TV Exchanger
IN 1 1471 Relay unit
D 2 ** Min. 100V-1A diodes (1N4007 type)
PA 2+X ** Door release button (optional)
SE 2+X ** Electric door lock (12Vac-1A)
External door station
Mody series (for the composition see pages 82÷85)
1 row 2 row
UR 2+X MD41 MD41 Camera module
PB ... MD72-73-74 MD72-73-74 Back boxes and module frames
2+X MD10-11-12 MD10-122-124 Modules for electric door speaker
... MD21 ÷ 24 MD222 ÷ 228 Button modules
... MD20 - 50 MD20 - 50 Blank and info modules
2+X MD82 ÷ 812 MD82 ÷ 812 Hood covers
2+X MD92 ÷ 912* MD92 ÷ 912* Rain shelters
PE 2+X MD30 MD30 Electric door speaker (amplifier)
Matrix series (for the composition see pages 88÷89)
UR 2+X MA42-43 Camera modules with integrated audio amplifier
PB ... MA20-22-24 Blank and button modules
... MA61-62-63 Front frames
... MA71-72-73 Back boxes and module frames
... Refers to number of users.
X Refers to number of secondary door sta-
tions.
* The rain shelter is used in the place of the
back box and hood cover.
** Articles not supplied by ACI Farfisa.
Notes
- Connect the video intercom terminal 4 (wire
shown with dotted line) if the control switch on
from the secondary door station is required.
- For the connection of name plate lamps read
notes 6, 7 and 8 of the installation instructions
on page 91.
- For wires dimensioning and video connec-
tion refer to the installation instructions and
Si 37MO/1
Connection of two door locks, of which
the secondary is always activable, in a
system with multiple entrance
For this option it is necessary to install a
diode (100V-1A; type 1N4007) between
terminals 7 (cathode) and 7a (anode) of
every secondary exchanger.
Use expandable fixing brackets
WB5160, WB5660, WB1260,
WB2160.
Floor-call
This working diagram allows for differentiat-
ing the floor-call from the call from the push-
button panel.
table on pages 91÷93.
- To use the Matrix series push-button pan-
els, see the application diagram and notes
on page 115, 117 or 119.
Working instructions
It is similar to the basic system described on
page 94, but with the following variations:
-The audio-video operations and the door
lock release are automatically switched at
the time of the call or with the control switch
ON.
-The services towards the secondary video
entrances are independent among them-
selves and therefore they can function at the
same time.
Control switching ON deactivation
To activate the control switching ON from the
videointercoms only when the system is in standby,
it is necessary to install a relay (type 1471 or 1472)
and connect it as shown on the diagram.
VC and DS1 are a reference on the diagrams
common of buttons 1
and 2
to separate the com-
mon of buttons cut here
common of buttons 3
and 4
The main entrance push-button panel
must have separate common terminals.
One common terminal for each secondary
door station. Buttons of the Mody series can
be divided into 2-button groups.
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