Viessmann Vitocrossal 200 Service Instructions For Contractors page 18

Commissioning, inspection, maintenance
Checking the CO
CO test at the upper heating output (115 to 311 kW)
2
C
D
E
F
Fig. 14
Fig. 15
CO test at the lower heating output (115 to 311 kW)
2
C
D
E
F
Fig. 16
18
content
(cont.)
2
1. Press
to "100" (= 100 %).
2. Check the CO
Burner output in
kW
3. If the CO
■
■
4. Enter actual value into the report in the appendix.
1. Press
down to "0" (lower heating output).
2. Check the CO
Burner output in
kW
Note
The CO
load than it is in full load.
until the service display has counted up
F
content at the flue pipe.
2
Permissible CO
%
115
142
186
246
311
content needs adjusting:
2
Remove cap .
B
Turn adjusting screw in small increments
A
(3 mm Allen key). Continue turning until CO
content reaches the specified range:
– Turning clockwise
CO content falls
→
2
Turning anti-clockwise
–
CO content rises
→
2
until the service display has counted
D
content at the flue pipe.
2
Permissible CO
%
115
142
186
246
311
content must always be lower in partial
2
content in
2
9.0 (+0.3/-0.1)
2
content in
2
8.5 (+0.2/-0.2)