Main Components - Potterton SIRIUS THREE FS 50 Installation Manual

4.3

Main components

Fig.10 SIRIUS THREE FS 50 and SIRIUS THREE FS 70
22
6
23
21
1 Control panel
2 Flue gas measuring point
3 Flue gas connection
4 On/Off button
5 Terminal block for the sensors and the remote
control
6 Power supply terminal block
7 Gas valve
8 Burner
9 Flue gas fitting
10 Automatic air vent
11 Return temperature sensor
12 Safety thermostat
13 Condensate siphon
14 Drain valve
15 Hydraulic pressure sensor
16 Ignition transformer
Fig.11 SIRIUS THREE FS 90 and SIRIUS THREE FS 110
22
6
23
21
1 Control panel
2 Flue gas measuring point
3 Flue gas connection
4 On/Off button
7609493 - v08 - 24072018
2
1
5
4
2
1
5
4
20
3
24
8
7
19
18
17
17 Ignition electrode
18 Ionisation probe
19 Flame inspection window
20 Flue gas sensor
21 Controller PCB
22 Mounting point for a maximum of two AVS 75
modules. A third AVS 75 module can be used by the
boiler but must be fixed to the wall and powered
externally.
23 Mounting point for communication module OCI 345
Caution
Danger of short circuit on the OCI 345
communication module if it is fixed in another
emplacement.
24 Safety thermostat on the combustion chamber door
25 Flow temperature sensor
3
20
24
8
7
19
18
17
5 Terminal block for the sensors and the remote
control
6 Power supply terminal block
7 Gas valve
4 Description of the product
9
10
11
25
12
13
14
16
15
MW-1000013-06
9
10
11
25
12
13
14
15
16
MW-1000014-06
21