Check The Co Content At The Flue Pipe; Burner Output Permissible Co - Viessmann VITOCROSSAL 200 Instructions Manual

Commissioning, inspection, maintenance
Further details regarding the individual steps
3. If the CO content must be adjusted:
2
■ Remove cover B.
■ Turn adjusting screw A in small
increments (Torx 40) until the CO
content reaches the specified
range:
– Turning clockwise
→ CO
content rises
2
– Turning anti-clockwise
→ CO
content falls
2
CO test at the upper output (115 kW to 311 kW)
2
16
4. Record the actual value in the report
(on page 61).
Rechecking the values
2
Regulate to the upper and lower out-
put using the burner control unit. If the
values do not match the permissible
CO content according to the table on
2
page 14, repeat the steps for the
upper and lower output.
5. Press "S" E and "-" D simultane-
ously. The burner is now in operating
mode.
1. Press "+" F until the service display
has incremented to "00." (= 100 %).
2. Check the CO
pipe.
Burner out-
put in kW
115
142
186
246
311
(cont.)
content at the flue
2
Permissible CO
content in %
9.0 (±0.3)
9.0 (±0.3)
9.0 (±0.3)
8.8 (±0.3)
8.8 (±0.3)
2