Siemens LMV5 Series Manual page 34

Fuel train applications (examples) [cont´d]
Direct ignition with
heavy oil, multistage
Direct ignition with
heavy oil, modulating
Fuel valve control
Phase 38
max. 45 s
34/39
Building Technologies Division
Industry Sector
V1
1)
LMV5...- heavy oil direct start - input
V1 V2
1)
LMV5... - heavy oil direct start - input
Heavy oil (direct transformer ignition)
LK
position
Note on dual-fuel burner!
Gas trains G, Gp1 and Gp2
for operation with dual-fuel burners since these fuel trains operate independently.
Caution!
Oil trains LOgp and HOgp are designed for ignition with a gas pilot. They must
only be combined with a special gas train Gp2 for operation with a dual-fuel
burner.
1)
With Gp2 permitted with HW 01.C0, SW V01.40 or higher.
Ph
V2
No
V3
MAX
MIN
1)
can be randomly combined with oil trains LO and HO
2-stage burner
Modulating burner
Circulation from phase 38, max. 45 s
as soon as direct heavy oil start =
ON in phase 38
→ Phase change in phase 40
Direct heavy oil start=
OFF at the end of phase 38
→ Repetition (max. 3 times in total)
Legend (fuel trains)
HO Heavy oil
LK Air damper
TSA Safety time
V Fuel valve
Z Ignition
CC1N7550en
24.05.2011