Fan speed according to gas type
Tab.25 Fan speed for gas type G20
Parameter
Output
Unit
SIRIUS
THREE FS
50
SIRIUS
THREE FS 70
SIRIUS
THREE FS
90
SIRIUS
THREE FS
110
9524 Required speed LF
minimum
rpm
1500
1270
1250
1300
9524 Required speed LF
minimum
for boilers in
cascade
rpm
1700
1470
1450
1500
9529 Required speed HF
2441 Fan speed heating max
maximum
rpm
6650
6450
6500
6900
9512 Required speed ignition
ignition
rpm
2300
2100
2400
2500
Tab.26 Fan speed for gas type G25
Parameter
Output
Unit
SIRIUS
THREE FS
50
SIRIUS
THREE FS 70
SIRIUS
THREE FS
90
SIRIUS
THREE FS
110
9524 Required speed LF
minimum
rpm
1500
1270
1250
1300
9524 Required speed LF
minimum for
boilers in
cascade
rpm
1700
1470
1450
1500
9529 Required speed HF
2441 Fan speed heating max
maximum
rpm
6650
6450
6500
6900
9512 Required speed ignition
ignition
rpm
2300
2100
2400
2500
Tab.27 Fan speed for gas type G31
Parameter
Output
Unit
SIRIUS
THREE FS
50
SIRIUS
THREE FS 70
SIRIUS
THREE FS
90
SIRIUS
THREE FS
110
9524
Required speed LF
minimum
rpm
1500
1270
1500
1300
9524 Required speed LF
minimum for
boilers in
cascade
rpm
1700
1470
1650
1500
9529 Required speed HF
2441 Fan speed heating max
maximum
rpm
6400
6100
6200
6700
9512 Required speed ignition
ignition
rpm
3000
2500
2400
3000
For more information, see
Modifying the installer parameters, page 68
7 Commissioning
58
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