Siemens LMV5 Series Manual page 20

Fuel train (examples)
Direct gas ignition
Gas pilot ignition 1
Gas pilot ignition 2
Fuel valve control
V2
V1
20/29
Building Technologies Division
Program
Gp1
Program
SV
Gp2
Program
SV
Gas (always modulating)
Direct ignition
V1
PS
VP
Gas pilot
V1
PS PS
min
VP
Gas-Pilot
V1
PS PS
min
VP
7550f01a/0511
V2
PS
max
V2
PS
ACT
max
PV
7550s02E/0202
V2
PS
ACT
max
PV
7550s17E/0202
Legend (fuel trains):
*) Not used
1) Preheating device
HO Heavy oil
LO Light oil
No
Normally Open
DK Gas valve proving
DW Pressure switch
HE Heating element
SA Actuator
SV Shutoff valve (outside the building)
PV Pilot valve
V Fuel valve
CC1N7550en
22.05.2017