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Building Technologies Basic documentation LMV37.4... CC1P7546en
7 Basic unit LMV37.4 17.12.2018
Gas
PV-Gas
SV-Oil
LOgp
Program
V1-Oil
V2-Oil
Light oil
Figure 55: Light oil with gas pilot ignition
Light oil (with gas pilot ignition)
Multistage operation
Operation
V2
MIN
MAX
V3
PV V1 V2
TSA2
TSA1
Bild 308e/0114
Figure 56: Light oil with gas pilot ignition – fuel valve control
Legend for fuel trains:
HO Heavy oil
LO Light oil
No Normally Open
LK Air damper
P LT Valve proving
Pmax Pressure switch-max
Pmin Pressure switch-min
PV Pilot valve
SA Actuator
SV Safety valve (outdoors)
TSAx Safety time
V Fuel valve
Z Ignition
Light oil with gas pilot ignition
(Operating mode 3, 9, 16, 21)
(Operating mode 10, 11)
Fuel valve control