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Farfisa PROJECT Series Technical Manual page 116

Alternate current call systems

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Si 36MO/2
VIDEO INTERCOM SYSTEM WITH SECONDARY VIDEO STATIONS AND 1 MAIN COMMON VIDEO STATION (multiple entrance)
Diagram ref. Q.ty
Article
VC
...
PT 5160 + WB 5100
PT 5660 + WB 5600 + 1283
PT 5860 + WB 5600
PV 1260 + WB1200 + 1283
PV 2160 + WB 2100
DV
...
DV2-4
AV
1
476
AL
1+X 1281
TR
1+X 1382
DS
X
1273TV
PA
1+X **
SE
1+X **
External door station
Mody series (for the composition see pages 82÷85)
1 row
UR
1+X MD41
PB
...
MD72-73-74
1+X MD10-11-12
...
MD21 ÷ 24
...
MD20 - 50
1+X MD82 ÷ 812
1+X MD92 ÷ 912* MD92 ÷ 912*
PE
1+X MD30
Matrix series (for the composition see pages 88÷89)
UR
1+X MA42-43
PB
...
MA20-22-24
...
MA61-62-63
...
MA71-72-73
... Refers to number of users.
X Refers to number of secondary door stations.
* 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
table on pages 91÷93.
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.
coax
Description
Videointercom FLAT + wall bracket
Videointercom + wall bracket + back box
Videointercom reflex + wall bracket
Videointercom + wall bracket + back box
Videointercom FLAT + wall bracket
Video distributor
Video distributor
Power supply
Timer
Exchanger
Door release button (optional)
Electric door lock (12Vac-1A)
2 row
MD41
Camera module
MD72-73-74
Back boxes and module frames
MD10-122-124 Modules for electric door speaker
MD222 ÷ 228
Button modules
MD20 - 50
Blank and info modules
MD82 ÷ 812
Hood covers
Rain shelters
MD30
Electric door speaker (amplifier)
Camera modules with integrated audio amplifier
Blank and button modules
Front frames
Back boxes and module frames
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 DS are a reference on the diagrams
(MT12 - Gb2004)
Floor-call
This working diagram allows for differentiat-
ing the floor-call from the call from the push-
button panel.
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.
114
Use expandable fixing brackets
WB5160, WB5660, WB1260,
WB2160.
common of buttons 1
and 2
to separate the com-
mon of buttons cut here
common of buttons 3
and 4

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