Siemens LMV50 series

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Building Technologies Basic Documentation LMV5... CC1P7550en
3 Fuel train (examples) 22.05.2018
V1
M
7550s06e/0308
DW
min
DW
max
LO
Program
Modulating burner
(without shutdown facility for
adjustable head)
Figure 14: Fuel train application – light oil direct ignition, modulating, without shutdown facility for
adjustable head
V1
M
7550s07e/0308
DW
min
DW
max
LO
Program
Modulating burner
(with shutdown facility for
adjustable head)
Figure 15: Fuel train application – light oil direct ignition, modulating, with shutdown facility for
adjustable head
Light oil (direct transformer ignition)
LO
V3
V2
MIN
LK
position
Stage operation
Figure 16: Fuel train application – fuel valve control
Legend (fuel trains):
LK Air damper
LO Light oil
TSA Safety time
V Fuel valve
Direct ignition with
light oil, modulating
Fuel valve control