Siemens LMV37.4 Series Basic Documentation page 77

Fuel valve control program
Figure 52: Heavy oil direct ignition – fuel valve control - program
Building Technologies Division
Industry Sector
Heavy oil (transformer direct ignition) with circulation control
Air damper
position
40
Basic documentation LMV37.4...
7 Basic unit
Legend for fuel trains:
HO Heavy oil)
MAX
LO Light oil
V3 (= stage 2)
No Normally Open
MIN
LK Air damper
P LT Valve proving
Pmax Pressure switch-max
Pmin Pressure switch-min
PV Pilot valve
SA Actuator
SV Safety valve
(outdoors)
TSA... Safety time
V Fuel valve
Bild 426e/0913
Z Ignition
77/235
CC1P7546en
20.09.2013