Siemens LMV5 Series - Fuel Train Applications (Examples) [contd]; Dual-Fuel Burner Gas;Heavy Oil with Gas Pilot; Heavy Oil Fuel Valve Control (Gas Pilot Ignition)

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Building Technologies Division CC1N7550en
Industry Sector 24.05.2011
Fuel train applications (examples) [cont´d]
SA
SV-gas
Gas
V2-oil
V1-oil
V3-oil
SV-oil
Gp2
PV-gas
HOgp
Heavy oil (with gas pilot ignition)
MIN
MAX
V1
V2
V3
TSA2
TSA1
Phase 44
max. 45 s
V3
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)
Dual-fuel burner gas /
heavy oil with gas pilot
ignition
Fuel valve control