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7 Installation examples
Fig.44
2 boiler cascade + low-loss header + 1 mixing zone + domestic hot water (DHW) zone
1
2
3
A
C
X12
N
X13
B
N L
N
N L TS
10
7
6
A Boiler (master)
B Boiler (slave)
C Low-loss header
D Mixing zone - CircC1
E DHW zone - DHWA (layered calorifier - 2 sensors)
A-B S-BUS cable (comes with 2 resistors; one on
connector X5 on the SCB-10 and one on connector
X4 on the GTW-25 PCB from boiler B)
Important
For this configuration an additional PCB (accessory AD249) is placed on connector X8 of the SCB-10.
50
AMC Pro
7.6.11
C
4
B
X9
X10
X11
SCB-10
X1
X8
N L TS
N L
8
1
X15
A
N
N L
TS
4
Connection example 14
D
5
6
7
L-BUS
X2
X3
SP
RS
S-BUS
X14
Status
C
B
A
0-10V
+
-
T out
4
3
2
1
R-Bus
R-Bus
R-Bus
X14
1
2
C
B
A
Tsyst Tsyst Tdhw Tflow Tflow Tflow
9
11
5
2 Pump connection via cables X81 and X112, which
can be found in boiler A's instrument box
3 Pump connection via cables X81 and X112, which
can be found in boiler B's instrument box
8
10
11
A
X131
X136
CB-03
X5
X03
X4
R-Bus
BL
RL
A–B
X1
TA
GTW-25
+TA-
X3
7725087 - v.01 - 06062019
E
9
AD-4100043-01
Tout
Tdhw
X2
X4
AD-4100145-01
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