20079566
22
GB
Maintenance
Combustion
In case the combustion values found at the beginning of the inter-
vention do not respect the standards in force or, in any case, do
not correspond to a proper combustion, contact the Technical As-
sistant in order to carry out the necessary adjustments.
Tab. J
7.3
Opening and closing the burner
EN 676
Air excess
CO
Max. output
λ
≤
1.2
Max. output
λ
≤
1.3
GAS
Theoretical max CO
2
0 % O
2
CO
2
% Calibration
mg/kWh
λ
= 1.2
λ
= 1.3
G 20
11.7
9.7
9
≤
1000
G 25
11.5
9.5
8.8
≤
1000
G 30
14.0
11.6
10.7
≤
1000
G 31
13.7
11.4
10.5
≤
1000
DANGER
Disconnect the electrical supply from the burner
by means of the main system switch;.
DANGER
Close the fuel interception tap.
Wait for the components in contact with heat
sources to cool down completely.
After carrying out maintenance, cleaning or
checking operations, reassemble the hood and all
the safety and protection devices of the burner.