Bosch GWH 2400 ES NG User Manual page 30

Maintenance and service
CO
max. input P1
min. input P2
max. input P1
min. input P2
* 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 values. Changes in these inputs can result in
2
different CO and CO values on the same appliance.
2
Table 14 CO & CO target numbers
2
Final Readings
P2 CO Reading:
2
P1 CO Reading:
2
Fig. 55 Adjusting P1 CO
Fig. 56 Adjusting P2 CO
30
Max. CO
range (%)
level
2
(measured)
Nat. Gas
6.9 % - 7.5 % < 250 ppm
2.3 % - 2.6 % < 60 ppm
LP Gas
8.1 % - 8.7 % < 250 ppm
2.5 % - 2.8 % < 60 ppm
% CO
2
% CO
2
level
2
6720608158-38.1AL
level
2
6 720 608 782