Viessmann Vitocrossal 200 Series Service Instructions Manual page 17

Checking the CO
Relationship between CO
Gas type Wobbe index
kWh/m 3
Natural gas 16.10
E
15.00
14.00
13.00
12.00
Permissible CO content (depending on the Wobbe index of the gas type)
2
Gas type CO con-
2
tent
at
Natural gas upper heat-
E ing output
(100 %)
lower heat-
ing output
(0 %)
Natural gas upper heat-
H ing output
(100 %)
lower heat-
ing output
(0 %)
Natural gas upper heat-
LL ing output
(100 %)
lower heat-
ing output
(0 %)
Natural gas upper heat-
L ing output
(100 %)
lower heat-
ing output
(0 %)
LPG P upper heat-
ing output
(100 %)
lower heat-
ing output
(0 %)
content
(cont.)
2
value and Wobbe index
2
CO setting
2
%
MJ/m 3
58.00 11.0
54.00 9.7
50.40 8.9
46.80 8.2
43.20 7.4
75 and 87 115
7.1 - 10.2 % 7.0 - 10.1 % 7.0 - 10.1 % 7.1 - 10.2 % 7.1 - 10.2 %
Actual value at upper heating output minus
0.3 - 0.7 % 0.3 - 0.7 %
8.0 - 10.2 % 7.9 - 10.1 % 7.9 - 10.1 % 8.0 - 10.2 % 8.0 - 10.2 %
Actual value at upper heating output minus
0.3 - 0.7 % 0.3 - 0.7 %
7.2 - 10.0 % 7.1 - 9.9 %
Actual value at upper heating output minus
0.3 - 0.7 % 0.3 - 0.7 %
8.3 - 10.0 % 8.2 - 9.9 %
Actual value at upper heating output minus
0.3 - 0.7 % 0.3 - 0.7 %
–
Actual value at upper heating output minus
–
Commissioning, inspection, maintenance
Rated heating output in kW
142
0.3 - 0.7 % 0.4 - 0.8 %
0.3 - 0.7 % 0.4 - 0.8 %
7.1 - 9.9 % 7.2 - 10.0 % 7.2 - 10.0 %
0.3 - 0.7 % 0.4 - 0.8 %
8.2 - 9.9 % 8.3 - 10.0 % 8.3 - 10.0 %
0.3 - 0.7 % 0.4 - 0.8 %
9.6 - 11.6 % 9.6 - 11.6 %
– –
1.0 - 2.0 %
– –
186 246
7.1 - 10.2 %
0.7 - 1.0 % 0.4 - 0.8 %
8.0 - 10.2 %
0.7 - 1.0 % 0.4 - 0.8 %
7.2 - 10.0 %
0.7 - 1.0 % 0.4 - 0.8 %
8.3 - 10.0 %
0.7 - 1.0 % 0.4 - 0.8 %
9.6 - 11.6 %
1.0 - 2.0 % 1.0 - 2.0 %
311
17