27
One boiler per floor
3 m
a
2.5 m
Fig. 20
Rated heating output 26 kW
–
operation with natural gas
Number of boilers
2
3
4
5
6
Correction factor (adjustable
value)
Flue length a (m)
0
1
≤
18
≤
9
2
> 18
≤
25
> 9
≤
21
≤
13
≤
12
3
–
> 21
≤
25
> 13
≤
23
> 12
≤
18
≤
16
4
–
–
> 23
≤
25
> 18
≤
25
> 16
≤
21
5
–
–
–
–
> 21
≤
25
6
–
–
–
–
–
Commissioning, inspection, maintenance
Burner adjustment when connecting multiple…
(cont.)
5697789
Summary of Contents for Vitodens 111-W
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