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Fan speed according to gas type
Tab.34 Fan speed for gas type G20
Parameter
number
Parameter
Output
Unit
IX 145–50
IX 145–70
IX 145–90 IX 145–110
9524
Required speed LF
minimum rpm
1500
1270
1250
1300
9524
Required speed LF
minimum
for boilers
in cas
cade
rpm
1700
1470
1450
1500
9529
2441
Required speed HF
Fan speed heating max
maximum rpm
6650
6450
6500
6900
9512
Required speed ignition
ignition
rpm
2300
2100
2400
2500
Tab.35 Fan speed for gas type G25
Parameter
number
Parameter
Output
Unit
IX 145–50 IX 145–70
IX 145–90 IX 145–110
9524
Required speed LF
minimum
rpm
1500
1270
1250
1300
9524
Required speed LF
minimum
for boilers
in cas
cade
rpm
1700
1470
1450
1500
9529
2441
Required speed HF
Fan speed heating max
maximum rpm
6650
6450
6500
6900
9512
Required speed ignition
ignition
rpm
2300
2100
2400
2500
Tab.36 Fan speed for gas type G31
Parameter
number
Parameter
Output
Unit
IX 145–50 IX 145–70
IX 145–90 IX 145–110
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
2441
Required speed HF
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 70
8.4.2
Setting the air/gas ratio (maximum heat input)
1. Access the function 303 Chimney sweep function.
The Chimney sweep function parameter appears.
2. Turn the
button to select Chimney sweep function.
MENU
Régime manuel
Fonction de ramonage
Fonction d’arrêt régulation
MW-4000282-FR-01
8 Commissioning
7702703 - v04 - 05092019
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