Unit installation

16
3. If the CO
2
content must be adjusted:
■
Remove cover B.
■
Turn adjusting screw A in small
increments (Torx 40) until the CO
2
content falls within the specified
range:
– Turning clockwise
→ CO
2
content rises
– Turning anti-clockwise
→ CO
2
content falls
4. Record the actual value in the report
(on page 61).
Rechecking the values
Regulate to the upper and lower heat-
ing output using the programming
unit in the burner control unit. If the
values do not match the permissible
CO
2
content according to the table on
page 14, repeat the steps for the
upper and lower heating output.
5.
Press "S" E and "-" D simultane-
ously. The burner is now in operating
mode.
CO
2
test at the upper heating output (115 kW to 311 kW)
1.
Press "+" F until the service display
has incremented to "00." (=100 %).
2. Check the CO
2
content at the flue
pipe.
Burner out-
put in kW
Permissible CO
2
content in %
115 9.0 (±0.3)
142 9.0 (±0.3)
186 9.0 (±0.3)
246 8.8 (±0.3)
311 8.8 (±0.3)
Commissioning, inspection, maintenance
Further details regarding the individual steps
(cont.)
5692 907 GB