Viessmann VITOCROSSAL 200 Service Instructions Manual page 28

Commissioning, inspection, maintenance
Further details regarding the individual steps
Rated heating
output
P (50/30 °C)
max
in kW
400
500
620
3. If the CO content has to be adjus-
2
ted:
Remove cap B and turn setting
screw A in small steps (Allen key
3 mm) until the CO
the specified range:
■ Turning clockwise → CO
drops
■ Turning anti-clockwise → CO
tent increases
CO test at the lower heating output
2
B A
28
Rated heat input
Q (H ) [net cv]
max i
in kW
381
474
593
content is within
2
content
2
con-
2
Permissible CO
2
Natural gas E
in %
8.9 ±0.2
4. Record the actual value in the report
(on page 86).
C
D
E
F
1. Press D until the service display
has counted down to "0" (lower heat-
ing output).
(cont.)
content
LPG P
10.6 ±0.2
in %