3.4
Electrical diagram
Fig.5
Electrical diagram SIRIUS THREE FS 50 and SIRIUS THREE FS 70
1
2
3
4
Aux
1
-2
2
3
0
V
TA
TS
L
N
T1
T2
L
L
N
N
S1
S2
L
N
O
N
P
L
K
J
I
M
H
G
F
E
L
N
A
C
B
D
3
4
1A
2A
1
1
2
2
11
10
12
9
8
7
6
1
2
3
4
HMI
5
MW-3000003-04
Earth POP rivet
B Power supply auxiliary circuit 1
C Power supply auxiliary circuit 2
D Room thermostat
E Heating circuit pump
F Domestic hot water pump
G Safety contact
H Boiler pump
I Auxiliary sensor 1
J Auxiliary sensor 2
K Outside sensor
L Domestic hot water sensor
M Room temperature sensor 1
N Room temperature sensor 2
O Room temperature sensor 3
P Boiler pump modulation (PWM)
1 Flow temperature sensor
2 Return temperature sensor
3 Hydraulic pressure sensor
4 Flue gas sensor
5 Control panel display
6 Ionisation probe
7 Spark plug
8 Igniter
9 Gas valve
10 Safety thermostat
11 Fan
12 Safety thermostat on the combustion chamber door
3 Technical specifications
16
7609493 - v08 - 24072018