Viessmann VITODENS 111-W Installation And Service Instructions Manual page 33

Further details regarding the individual steps
One boiler per floor
Rated heating output 26 kW
Number of boilers
Correction factor (set-
ting value)
0
1
2
3
4
5
6
Rated heating output 35 kW
Number of boilers
Correction factor (set-
ting value)
0
1
2
3
4
5
6
Note
The correction factor changes the boiler
modulation range.
Commissioning, inspection, maintenance
2 3
Flue length a (m)
≤ 17
> 17 ≤ 25 ≤ 17
– > 17 ≤ 25
– – > 17 ≤ 21 > 14 ≤ 17
– – > 21 ≤ 25 > 17 ≤ 20
– –
2 3
Flue length a (m)
≤ 10
> 10 ≤ 25 ≤ 11
– > 11 ≤ 17
– > 17 ≤ 22
– > 22 ≤ 25 > 14 ≤ 17 > 13 ≤ 14
– – > 17 ≤ 20 > 14 ≤ 16
(cont.)
4 5
≤ 17 ≤ 14
> 13 ≤ 15
> 15 ≤ 17
– > 20 ≤ 22 > 17 ≤ 19
4 5
≤ 14 ≤ 13
> 13 ≤ 15
6
≤ 13
6
≤ 13
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