Viessmann Vitodens 200-W B2HE Installation And Service Instructions Manual page 56

Commissioning, inspection, maintenance
Checking the combustion quality
Note
During commissioning, the combustion controller car-
ries out an automatic calibration. Allow approx. 50 s
after the burner has started before testing the emis-
sions.
1. Connect a flue gas analyser at flue gas port
the boiler flue connection.
2. Open the gas shut-off valve. Start the boiler. Cre-
ate a heat demand.
3. Adjust the lower heating output. See the following
chapter.
4. Check the CO content. If the actual value deviates
2
from the permissible ranges, implement steps lis-
ted above.
5. Enter the actual value into the report.
Setting the upper/lower heating output
Note
Ensure adequate heat transfer.
Tap the following buttons:
01. and OK – press simultaneously for approx. 4 s,
then release.
02. Use / to select "Actuator test".
03. OK
04. Use / to select the "Heating" group.
05. OK
06. Use / to select "Primary circuit pump,
speed".
07. OK
08. Use / to set the max. value.
56
(cont.)
Fig. 47
on 6. Adjust the upper heating output. See the following
A
chapter.
7. Check the CO
from the permissible ranges by more than 1 %,
implement steps listed above.
8. Enter the actual value into the report.
9. Re-seal test port
Danger
Escaping flue gas can damage your health.
Check test port
09. OK
10.
11. Use /
12. OK
13. Use /
value".
14. OK
15. Set the lower heating output:
Select "Minimum heating output".
The burner now operates at the lower heating out-
put.
16. Set the upper heating output:
Select "Maximum heating output".
The burner now operates at the upper heating out-
put.
A
content. If the actual value deviates
2
.
A
A for leaks.
to select the "Boiler" group.
to select "Burner modulation, set