Installation manual

Installation and servicing instructions strictly reserved for qualified gas installers
33
9.1.2 Setting from G31 to G20
Turn the screw (3) 2 full turns
anticlockwise.
Wait for about 2 minutes in order to
read a stabilized CO2 value.
Progressively adjust the setting in order
to obtain the CO2 value in G20 shown
in the chart below.
9.2 Reactivation
Refit flue gas test point cap in place.
Replace front panel.
Note: After re-fitting the front panel, the
CO2 values must correspond to that given
in the table below.
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1
2
Legend
1 Gas change label position
Stick the gas change label in its place
(1) on the cover of the electric box.
After adjusting and remounting the
sealed panel, switch the COD. 8 menu
“burner forcing” back to its normal
operating mode (factory setting = 0) if
maximum power has been adjusted in
heating mode.
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Gas changing adjustment Unit F 18 E SB F 24 E F 30 E
Heating output max. hot water
kW - 24 29.6
Heating output min. heating
kW 18.3 24.1
G20
CO2 case on
%
9 +/- 0.2
CO2 case off
%
9.2 +/- 0.3
G31
CO2 case on
%
10.1 +/- 0.2
CO2 case off
%
10.3 +/- 0.3