Siemens LMV5 Series Manual page 36

Fuel train applications (examples) [cont´d]
Dual-fuel burner gas /
heavy oil with gas pilot
ignition
Fuel valve control
V3
V2
V1
36/39
Building Technologies Division
Industry Sector
Gp2
SV-gas
Gas
HOgp
SV-oil
Heavy oil (with gas pilot ignition)
Phase 44
max. 45 s
PV-gas
V1-oil
MAX
V3
MIN
SA
V2-oil
Legend (fuel trains):
HO Heavy oil
PV Pilot valve
TSA Safety time
V Fuel valve
Circulation from phase 44, max. 45 s
as soon as direct heavy oil start =
ON in phase 44:
→ Phase change in phase 40
Direct heavy oil start =
OFF at the end of phase 44
→ Repetition (max. 3 times in total)
V3-oil
CC1N7550en
24.05.2011