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
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 module
if it is fixed in another emplacement.
24 Safety thermostat on the combustion chamber door
25 Flow temperature sensor
1 Burner
2 Burner bracket
3 Safety thermostat on the combustion chamber door
4 Flame inspection window
5 Spark plug
6 Ionisation probe
7 Gas collector
8 Venturi
9 Fan
10 Silencer (SIRIUS THREE FS 90 model only)
11 Igniter
4.4
Control panel description
4.4.1
Description of the keys
Operating mode key
This key is used to access the shortcuts menu
MENU
Menu key
Rotary selection and confirmation button
For more information, see
Fig.12
Burner description
MW
-3
0
0
0
1
8
1
-0
2
2
1
4
5
8
10
3
6
7
9
11
Fig.13
Control panel keys
MW-3000005
MENU
8
7
6
5
4
3
2
1
9
10
11 12
13 14
15
16
17
18 19
20
21 22
23
24
4 Description of the product
22
7609493 - v08 - 24072018