18
3.
Check control cables:
■
Connection and kink-free routing
■
Application and seating of retaining clips
4.
If the CO
2
content needs adjusting:
Turn adjusting screw
A
in small increments. Con-
tinue turning until CO
2
content falls within the
specified range.
■
Turn towards "
–
"
→
CO
2
content
falls
.
■
Turn towards "
+
"
→
CO
2
content
rises
.
5.
Enter actual value into the report in the appendix.
CO
2
test at the lower heating output
A
B
Fig. 10
1.
Press until the service display has counted down
to "0" (lower heating output).
2.
Check the CO
2
content at the flue pipe.
For permissible CO
2
content, see above table
(page 17).
Note
At the lower heating output, the CO
2
content must
always be lower than at the upper heating output.
3.
If the CO
2
content needs adjusting:
Turn adjusting screw
B
in very small increments.
Continue turning until CO
2
content falls within the
specified range.
■
Turn towards "
–
"
→
CO
2
content
falls
.
■
Turn towards "
+
"
→
CO
2
content
rises
.
4.
Enter actual value into the report in the appendix.
Commissioning, inspection, maintenance
Checking the CO
2
content
(cont.)
5816717
