
1 Gas flow rate setting screw
The settings screw is screwed down as far as it will go and is then
unscrewed according to the number of turns given in the above
table.
2 OFFSET settings screw:
1
.
Remove the protective cap.
2
.
Use a Torx screwdriver (T40) or flat-head screwdriver (10 mm).
3 The settings screw is screwed down as far as it will go and is then
unscrewed according to the number of turns given in the above
table.
4 Refit the cap using a Torx screwdriver (T40) or flat-head
screwdriver (10 mm).
1 Gas flow rate setting screw
The settings screw is screwed down as far as it will go and is then
unscrewed according to the number of turns given in the above
table.
2 OFFSET settings screw:
1
.
Remove the protective cap.
2
.
Use a Torx screwdriver (T40) or flat-head screwdriver (10 mm).
3 The settings screw is screwed down as far as it will go and is then
unscrewed according to the number of turns given in the above
table.
4 Refit the cap using a Torx screwdriver (T40) or flat-head
screwdriver (10 mm).
8.4.5
Conversion to propane (G31)
SIRIUS THREE FS 130 and SIRIUS THREE FS 150
Caution
Only a fully trained, qualified professional may carry out the
following operations.
The boiler is pre-set in the factory to run on natural gas H (G20).
Adaptation kits are available for propane (G31).
1. Close the mains gas valve.
2. Disconnect the gas valve electrical connection.
3. Remove the two nuts from the flange under the gas valve.
4. Remove the 4 screws from the flange connecting the gas valve to the
venturi.
5. Take out the gas valve.
6. Integrate the restrictor provided for the required gas on the gas valve
outlet.
7. Replace the O-ring.
8. Proceed to refit the valve by reversing the steps above.
9. Check the tightness using a leak detector spray.
10. Replace the gas setting label with the one delivered with the boiler
and tick the corresponding gas setting.
SIRIUS THREE FS 200 and SIRIUS THREE FS 250
Caution
Only a fully trained, qualified professional may carry out the
following operations.
The boiler is pre-set in the factory to run on natural gas H (G20).
Adaptation kits are available for propane (G31).
Fig.96
Gas valve for SIRIUS THREE FS
130 and SIRIUS THREE FS 150
MW-5000727-1
Fig.97
Gas valve for SIRIUS THREE FS
200 and SIRIUS THREE FS 250
1
2
MW-5000728-1
8 Commissioning
78
7702639 - v03 - 10072018