Viessmann Vitogas 100 Service Instructions Manual page 10

Initial start-up, inspection and maintenance
Further details regarding the individual steps
10. Switch OFF system ON/OFF switch
at the control unit (boiler shuts
down), close gas shut-off valve,
remove pressure gauge and close
test nipple A with screw.
Rated output
Natural gas E
with Wobbe index Wo
3
15.0 kWh/m
3
54.0 MJ/m
Nozzle pressure
relative to
20 mbar supply pressure
Nozzle ID
Air restrictor
Natural gas LL
with Wobbe index Wo
3
12.4 kWh/m
3
44.6 MJ/m
Nozzle pressure
relative to
20 mbar supply pressure
Nozzle ID
Air restrictor
LPG
with Wobbe index Wo
21.3 22.5 kWh/m
3
76.9 81.1 MJ/m
Nozzle pressure
relative to
50 mbar supply pressure
Nozzle ID
Air restrictor
Number of burner tubes
*1
Value relative to 1013.25 mbar and 15 ºC.
10
kW
*1
Full load
Part. load
*1
Full load mbar
Part. load mbar
∅ mm
3
*1
Full load mbar
Part. load mbar
∅ mm
11. ¨ Safety instructions
Open gas shut-off valve, start up
boiler and check soundness of
test nipple A.
Full load
72 kW
Partial load
46.8 kW
mbar 15.4
mbar 6.8
2.90
∅ mm
15.4
6.8
3.20
50
34.5
15.0
1.90
(cont.)
Full load Full load
84 kW 96 kW
Partial load Partial load
54.6 kW 62.4 kW
15.4
6.8
2.90
15.4
6.8
3.20
50
34.5
15.0
1.90
6 7
15.4
6.8
2.90
15.4
6.8
3.20
50
34.5
15.0
1.90
8