63
Fig. 9-14
9.14 SYSTEM MANAGER - SOLAR RETURN PROBE CONNECTION.
9.15 SYSTEM MANAGER - STORAGE TANK THREE-WAY CONNECTION.
Key:
A15-4 - Address 4 zone expansion kit
B20 - Solar return probe
Note: - Configure the expansion address as
indicated
A13
B1
B2
B3
B4
B5
B6
G
N
D
SY
N
C
G
G
D
+5
Vr
ef
+V
D
C
ID
1
G
N
D
C
1
NC
1
N
O
1
J1
J2
J3
max power:8VA/6W
input voltage:
24Vac (+10%-15%); 50/60Hz
48Vdc (36Vmin...71Vmax)
J5
X
N
G
x
R
/
x
T
D
N
G
x
R
/
x
T
J6
J7
J8 ISOLATED J9
J10
TL
A
N
G
ND
Y
1
Y
2
G
ND
N
O
2
C2
PWM 0/10V
N
L
N
50 Hz
230 Vac
ALIMENTAZIONE
A (al bollitore)
B (all'impianto)
L
AB
M50
B2
T+
T-
VG
VG
0
Y1
J5
NC
1
C1
B1
J3
J4
Serial
Address
J9
B3
+Vd
c
GN
D
2
J
1
J
+5V
Re
f
B4
NO
1
B2
GN
D
+5V
Re
f
+Vd
c
J10
J8
NC
4
C4
NO
4
J7
NC
3
C3
NO
3
J6
NC
2
C2
NO
2
1 2 4 8
ON
1
2
3
4
ID
1
ID
2
ID
3
ID
4
IDC
1
G
G0
24Vac
GN
D
ON
Address
Serial
Indirizzo 4
B
20
A15 - 4
Espansione
Indirizzi
1 2 4 8
1
2
3
4
Key:
A13 - System manager
M50 - DHW priority valve (2 points)
B2 - Storage tank upper part probe
Note: - The B2 probe is fitted as standard on
the Immergas storage tanks
- Control (J10):
Open -> switch to system
Closed -> switch to storage tank
- We recommend applying 2 priority
valves
Fig. 9-15
Addresses
Address
Expanding
Power Supply
To Storage
Tank
To System