
m3
Basic connections
3 x
1,5 mm
2
mini.
3 x
0,75 mm
2
mini.
3 x
0,75 mm
2
mini.
2 x
0,75 mm
2
mini.
EXTERNAL
S EXT
o
o
15 14
BOILER
S CH
17 16
o
o
DOM
ESTIC HO
T W
ATER
S ECS
19 18
o
o
ROOM CIRCUIT A
S AMB
A
o
21 20
o
ALI
1
2
3
4
5
CS
6
7
L
N
8
9
10
11
12
13
o
23 22
TELEPHO
NE RELAY
o
o
o
15 14
17 16
o
o
19 18
o
o
o
21 20
o
3
5
6
7
L
N
8
9
10
11
12
13
o
23 22
o
o
o
15 14
17 16
o
o
19 18
o
o
o
21 20
o
5
6
7
L
N
8
9
10
11
12
13
o
23 22
o
o
o
15 14
17 16
o
o
19 18
o
o
o
21 20
o
SENSOR
MAIN SUPPLY 120V - 60Hz
SAFETY CO
NTACT
6
7
L
N
HEATING PUM
P
8
9
10
LO
AD PUM
P
11
12
13
ALARM IND
ICATO
R
o
23 22
o
8578N008
S EXT
2 1
C
Alim
L
S CH
2 1
S ECS
2 1
S AMB A
2 1
2 1
2 x
0,75 mm
2
mini.
120V - 60Hz
L
N
VA
(A)
L
N
L
N
MODE
+
-
1
2
3
4
5
6
7
0
2
4
6
8
10
12
14
16
18
20
22
24
Sensor cables must be separated from
cables in 120V circuits (see page m2).
GT 120 A
GT 1200 A
GT 1200 A
GT 120 A
+
independent
d.h.w. hot
water calorifier
Boiler
sensor
Heating
pump
120V power
supply
Load pump
d.h.w.
sensor
External
sensor
Minimum wire gauge size:
0.75 mm2 = 18 AWG
1.5mm2 = 14 AWG
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