Viessmann Vitocrossal 200 Service Instructions Manual page 16

Initial start-up, inspection, maintenance
Further details regarding the individual steps
2. Check the CO content at the flue
2
pipe. For permissible CO
see the table on page 14.
3. If the CO content must be
2
adjusted:
Remove cover B.
Turn adjusting screw A in small
increments (Torx 40) until the
CO content reaches the stipu-
2
lated range:
Turning clockwise
CO content rises
2
Turning anti clockwise
CO content drops
2
CO test at the upper output (115 kW to 311 kW)
2
16
4. Record the actual value in the
content, report (on page 60).
2
Recheck the values
Regulate to the upper and lower
output using the burner control
unit. If the values do not match the
permissible CO
to the table on page 14, repeat the
steps for the upper and lower out-
put.
5. Press "S"E and " "D simulta-
neously. The burner is now in oper-
ating mode.
1. Press "+"F until the service dis-
play has incremented to "00." (=
100 %).
2. Check the CO
pipe.
Burner output in
kW
115
142
186
246
311
(cont.)
content according
2
content at the flue
2
Permissible CO
2
content in %
9.0 (±0.3)
9.0 (±0.3)
9.0 (±0.3)
8.8 (±0.3)
8.8 (±0.3)