Important
Turn the gas adjustment screw clockwise to reduce the CO
2
content.
Turn the gas adjustment screw counter-clockwise to increase
the CO
2
content.
Tab.32 Checking and setting values for gas type G20 / G31
Boiler model
Maximum CO (ppm)
SIRIUS THREE FS 130
< 250
SIRIUS THREE FS 150
< 250
SIRIUS THREE FS 200
< 250
SIRIUS THREE FS 250
< 250
Tab.33 Authorised CO
2
ranges at maximum output
Boiler model
Type G20
Type G31
SIRIUS THREE FS 130
9.2 +0.2/- 0
10 +0.2/- 0
SIRIUS THREE FS 150
9.2 +0.2/- 0
10 +0.2/- 0
SIRIUS THREE FS 200
9.2 +0.2/- 0
10.2 +0.2/- 0
SIRIUS THREE FS 250
8.85 +0.2/- 0
10.2 +0.2/- 0
8.4.3
Setting the air/gas ratio (reduced heat input)
1. Accessing the Chimney sweep function 303 function.
The Chimney sweep function parameter appears.
2. Turn the
button to select Chimney sweep function.
3. Confirm the selection by pressing the button.
The 303 function appears.
Fig.93
MENU
Régime manuel
Fonction de ramonage
Fonction d’arrêt régulation
MW-4000282-FR-01
Fig.94
MENU
Fonction d’arrêt régulateur
Fonction de ramonage
MW-4000283-FR-01
8 Commissioning
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