Electrical Diagram - Potterton SIRIUS THREE FS 50 Installation Manual

3 Technical specifications
3.4

Electrical diagram

Fig.5 Electrical diagram SIRIUS THREE FS 50 and SIRIUS THREE FS 70
P
O
N
M
L
K
J
I
H
G
F
E
D
4
B C
3
N
2
A L
1
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
16
4
2
3
3 1
1A 1
4
2
2A
2
5
1
11
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
HMI
6
10 12
9
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7
8
MW-3000003-04