15
A
B
3.
If the CO
2
content must be adjusted:
■ Remove cap
B
.
■ Turn adjusting screw
A
in small
increments (3 mm Allen key) until
the CO
2
content reaches the speci-
fied range:
– Turning clockwise
→
CO
2
content
falls
– Turning anti-clockwise
→
CO
2
content
rises
4.
Record the actual value in the report
(on page 65).
!
Please note
The CO
2
content must always
be lower in partial load than it
is in full load.
CO
2
test at the lower output
C
D
E
F
1.
Press "-"
D
until the service display
has gone down to "0" (lower output).
2. Note
The CO
2
content for all natural gases
must be between 7.5 and 10.5 %.
Check the CO
2
content at the flue
pipe. For permissible CO
2
content,
see the table on page 14.
Commissioning, inspection, maintenance
Further details regarding the individual steps
(cont.)
5692 908 GB