Siemens LMV5 Series - Fuel Train Applications (Examples); Direct Gas Ignition and Pilot Ignition Examples; Gas Fuel Valve Control Examples

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Building Technologies Division CC1N7550en
Industry Sector 24.05.2011
Fuel train applications (examples)
SV
V1 V2
Direct ignition
G
Program
7550s 01E/020 2
ACT
PS
max
PS
min
PS
VP
SV
V1
ACT
V2
Program
Gp1
Gas pilot
7550s02E/0202
PV
PS
min
PS
VP
PS
max
SV
PS
max
ACT
V2
Program
Gp2
Gas-Pilot
7550s17E/0202
PS
min
PV
V1
PS
VP
Gas (always modulating)
PILOT ignition 1
Gp2
V1
V2
7550f01a/0511
Legend (fuel trains):
*) Not used
1) Preheating device
V Fuel valve
DK Gas valve proving
DW Pressure switch
HE Heating element
HO Heavy oil
LO Light oil
SA Actuator
No
Normally Open
SV Shutoff valve (outside the building)
PV Pilot valve
Direct gas ignition
Gas pilot ignition 1
Gas pilot ignition 2
Fuel valve control