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Tab.43
Settings values for a new gas valve
Boiler model
IX 245–130
IX 245–150
IX 245–200
IX 245–250
Fig.101
Gas valve for IX 245–130 and IX
245–150
Fig.102
Gas valve for IX 245–200 and IX
245–250
1
7702684 - v04 - 05092019
8.4.4
Nominal heat input:
Number of turns for the gas flow rate set
tings screw
4 + 1/4
4
1 + 1/4
1 + 3/8
MW-5000727-1
2
MW-5000728-1
8.4.5
The boiler is pre-set in the factory to run on natural gas H (G20).
Adaptation kits are available for propane (G31).
1. Switch off the boiler.
Gas valve basic settings
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 setting screw:
Remove the cap then use a Torx (T40) or flat-head (10 mm)
screwdriver.
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 setting screw:
Remove the cap then use an Allen key.
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 Put the cap back in place.
Conversion to propane (G31)
IX 245–130 and IX 245–150
Caution
Only a fully trained, qualified professional may carry out the
following operations.
8 Commissioning
Minimum heat input:
Number of turns for the OFFSET set
tings screw
2
2 + 1/2
7 + 3/4
8 + 5/8
IX
79
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