80
(MT11 - Gb2006)
Application diagrams
I
NTERCOMS
*
V
IDEOINTERCOMS
*
T
ELECOMMUNICA
TION
APPLICATION DIAGRAMS FOR ONE-WAY INTERCOMMUNICATING SERVICES IN APARTMENT BUILDING SYSTEMS. EXTERNAL
CALL ON ELECTRONIC BUZZER.
- To match with diagrams: Si 21MO/1; Si 21MO/3; Si 22MO/1; Si 23MO/1; Si 26MO/1; Si 27MO/1.
230V
127V
0
PRS226E
CT1
CT2
CT3
CT4
CT5
1
2
3
4
1
2
4
3
3
5
P1
C
9
C
P2
C
P3
C
P4
1
2
4
3
3
5
P1
C
P2
C
P3
C
9
C
P4
1
2
4
3
3
5
P1
C
P2
C
9
C
P3
C
P4
P1
C
P2
C
P3
C
P4
C
9
1
2
4
3
3
5
1
2
4
3
3
5
G
2
4B
9
C
P1
C
P2
C
P3
C
P4
7
A
4
D
C+
9
SR41
ST720
+ST701
+SR41
ST720
+ST701
+SR41
ST720
+ST701
+SR41
ST720
+ST701
+SR41
ST720
+ST701
+SR41
PT526E
+PT501
+SR41
PT526E
+PT501
+SR41
PT526E
+PT501
+SR41
PT526E
+PT501
+SR41
PT526E
+PT501
+SR41
S
T
U
D
I
O
P
R
O
J
E
C
T
3 INTERCOMMUNICATING INTERCOMS
5 INTERCOMMUNICATING INTERCOMS
230V
127V
0
PRS226E
G
2
4B
7
A
4
D
C+
9
CT1
CT2
CT3
1
2
P1
C
P2
C
9
P1
C
9
C
P2
9
C
P1
C
P2
1
2
4
3
3
5
1
2
4
3
3
5
1
2
4
3
3
5
ST720
+ST701
+SR41
ST720
+ST701
+SR41
ST720
+ST701
+SR41
PT526E
+PT501
+SR41
PT526E
+PT501
+SR41
PT526E
+PT501
+SR41
SR41
to riser
to riser
- Do not forget to connect terminals C of the
additional buttons and install the SR41 elec-
tronic buzzer in every intercom.
- When using the intercom PT526E you must
connect the common terminal of the addi-
tional buttons to terminal 7.
5
1
9
2
3
0
P1
P2
C
P
C
P
JP2
4 3
SR41
ST720
7
1
3
5
2
0
9
P1
P2
P3
P1
4 3
SR41
PT526E
- Do not forget to connect terminals C of the
additional buttons and install the SR41 elec-
tronic buzzer in every intercom.
- When using the intercom PT526E you must
connect the common terminal of the addi-
tional buttons to terminal 7.
5
1
9
2
3
0
P1
P2
C
P
C
P
JP2
4 3
SR41
ST720
7
1
3
5
2
0
9
P1
P2
P3
P1
4 3
SR41
PT526E