Viessmann VITODENS 111-W Installation And Service Instructions Manual page 28

Commissioning, inspection, maintenance
Burner adjustment when connecting multiple...
Rated heating output 26 kW
Number of boilers
Correction factor (adjustable
value)
0
1
2
3
4
5
6
Rated heating output 35 kW
Number of boilers
Correction factor (adjustable
value)
0
1
2
3
4
5
6
Rated heating output 35 kW
Number of boilers
Correction factor (adjustable
value)
0
1
2
3
4
5
6
Note
The correction factor changes the boiler modulation
range.
28
operation with LPG
–
2
25
≤
–
–
–
–
–
operation with natural gas
–
2
19
≤
> 19 25
≤
–
–
–
–
operation with LPG
–
2
22
≤
> 22 25
≤
–
–
–
–
(cont.)
3 4
Flue length a (m)
12 10
≤ ≤
> 12 25 > 10 16
≤ ≤
> 16 23
– ≤
> 23 25
– ≤
– –
– –
3 4
Flue length a (m)
9
≤
> 9 21 13
≤ ≤
> 21 25 > 13 18
≤ ≤
> 18 25
– ≤
– –
– –
3 4
Flue length a (m)
10
≤
> 10 20 13
≤ ≤
> 20 25 > 13 17
≤ ≤
> 17 23
– ≤
> 23 25
– ≤
– –
5 6
13
≤
> 13 17 15
≤ ≤
> 17 22 > 15 18
≤ ≤
> 22 25 > 18 22
≤ ≤
> 22 25
– ≤
5 6
12
≤
> 12 15 14
≤ ≤
> 15 18 > 14 16
≤ ≤
> 18 24 > 16 20
≤ ≤
> 24 25 > 20 23
≤ ≤
5 6
12
≤
> 12 14
≤
> 14 18 16
≤ ≤
> 18 21 > 16 18
≤ ≤
> 21 24 > 18 20
≤ ≤