Checking The Co Content - Viessmann Vitodens 050-W Installation Instructions Manual

Checking the CO
A
4
content
2
1. Connect a flue gas analyser at flue
gas port A on the boiler flue con-
nection.
2. Start the boiler.
3. To check the CO
burner output can be adjusted man-
ually.
Set the burner output at the boiler
control unit:
1. Press MODE.
2. / repeatedly until "SERV"
appears.
3. Press OK to confirm.
"OFF" appears on the display.
4. Use / to adjust the burner out-
put:
Display
shows
_ 20
_ _ 40
_ _ _ 60
_ _ _ _ 80
_ _ _ _ _ 100
5. Confirm your settings with OK.
content the
2
Burner out-
put
20 %
40 %
60 %
80 %
100 %