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INTERNAL STATIONS
INTERCOMS Project series
72
86
2
13
3
3
/
"
16
PT526EW. White electronic intercom with
spiral cord, electronic microphone and 2 but-
tons extendable up to 10 by adding the PT501
single button unit.
Wall-mountable with expansion plugs or wall
box.
Terminals
1
microphone
2
speaker
3
ground
5
door release button
0
common contact of button
to terminal 3 with jumper W1)
7
common contact of button 1
9
electronic call input
P1
service button (max 1A)
P2 ÷ P9 service buttons (max 0.5A)
2
9
W1
0
5
3
1
7
P
R
O
J
E
C
T
/
"
8
214
8
1
/
"
16
Accessories for PT526EW, PT520, PT520N
and PT520W intercoms
PT501. Single button unit.
(max 1A)
(connected
2
P2
1
7
P7
P1
P8
P9
PT502. LED module for door open indication
and other functions.
PT515. Switch module to deactivate the
intercom call (privacy).
intercom
Note
It is recommended to install the PT502 LED
module and the PT515 switch module in the
last 2 positions marked with and
To install them, the plastic button slides must be
removed from the internal part of the intercom
cover (see figure).
SR41. Electronic buzzer module. It allows
for parallel connection of several intercom calls.
Terminals
3 alternated voltage input (13Vac-70mA;
4 call input (ground command)
PT538. Table adapter for Project series in-
tercoms, with weighted base, junction box and
2.4m connection cable with 13 wires.
L+
L-
door station
call button
10
(MT11 - Gb2006)
9÷20Vdc-15mA)
9 2
0
5
3
1 7 P1
PT501
PT501
SR41
3
4
PT502
PT515
.
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