6 720 680 223
Maintenance and service
35
Final Readings
P2 CO
2
Reading:
% CO
2
P1 CO
2
Reading:
% CO
2
Fig. 57 Adjusting P1 CO
2
level
Fig. 58 Adjusting P2 CO
2
level
CO
2
range (%)
Max. CO
level
(measured)
Nat. Gas
max. input
P1
7.5 % - 8.1 %
< 250 ppm
min. input
P2
2.3 % - 2.6 %
< 60 ppm
LP Gas
max. input
P1
8.7 % - 9.3 %
< 250 ppm
min. input
P2
2.7 % - 3.0 %
< 60 ppm
* Values above are for climate controlled conditions.
Inputs such as gas pressure, heating value of the gas,
humidity and temperature of combustion air all impact CO
and CO
2
values. Changes in these inputs can result in
different CO and CO
2
values on the same appliance.
Table 17 CO
2
& CO target numbers
6720608158-38.1AL