Viessmann VG III - Standard values for burner settings

47
Appendix
Standard values for burner settings
Please note:
Check that the service instructions are valid for the burner concerned (see notes
on applicability, pageĂ2 and serial no. on the burner type plate).
Nozzle pressure table
Gas type
Gas group Wobbe index Supply pressure
yp
gp
Wo
pp y p
kWh/m
3
MJ/m
3
mbar
*1
Natural gas
E 15.00 54.00 20.0
Natural gas
LL 12.40 44.60 20.0
Gas
Gas
Rated boiler output in kW
G
as
G
as
R
a
t
e
d
b
o
il
er ou
t
pu
t
i
n
kW
type group
90 ć 100 125 ć 140 150 ć 165 190 ć 210
Boiler output in kW
90 100 125 140 150 165 190 210
Natural
E
Nozzle
pressure
mbar
*1
Stage 1
Stage 2
3.5
9.2
3.8
10.0
2.1
5.3
2.2
5.9
2.4
6.2
2.6
6.8
3.7
9.2
4.1
10.0
Natural
gas
LL
Nozzle
pressure
mbar
*1
Stage 1
Stage 2
4.2
11. 0
4.8
12.4
2.4
6.3
2.7
7. 0
2.9
7. 4
3.2
8.1
4.6
11. 2
5.1
12.2
*1
1 mbar equals nearly 10 mmWS; e.g. 12.0 mbar Ăare Ă120 mmWS.
The nozzle pressure applies to 15 ºC, 1013 mbar, dry.
5692Ă534ĂGB