Checking The Co Content - Viessmann Vitocrossal 200 Service Instructions For Contractors

Checking the CO
CO test at the upper heating output (115 to 311 kW)
2
Fig. 12
CO test at the lower heating output (115 to 311 kW)
2
Fig. 13

Checking the CO content

Enter actual value into the report in the appendix.
content
(cont.)
2
1. Press
"100" (= 100 %).
2. Check the CO
For permissible CO
3. If the CO
■
■
4. Enter actual value into the report in the appendix.
1. Press
to "0" (lower heating output).
2. Check the CO
For permissible CO
Note
At the lower heating output, the CO
always be lower than at the upper heating output.
3. If the CO
■
■
4. Enter actual value into the report in the appendix.
5. Check the CO
heating output again.
If the CO
Repeat steps for upper and lower heating output.
6. Hold down S and
2 s. Burner switches to operating mode.
Commissioning, inspection, maintenance
until the service display has counted up to
content at the flue pipe.
2
content, see above table.
2
content needs adjusting:
2
Remove cap .
B
Turn adjusting screw in small increments
A
(3 mm Allen key). Continue turning until the 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 down
content at the flue pipe.
2
content, see above table.
2
content needs adjusting:
2
Undo cover .
B
Turn adjusting screw A in small increments
(Torx 40). Continue turning until the CO
reaches the specified range:
Turning clockwise
–
CO content rises
→
2
– Turning anti-clockwise
CO content falls
→
2
content at the upper and lower
2
content is not within the specified range:
2
simultaneously for longer than
2
content must
2
content
2
19