Siemens LMV27.100x2 Basic Documentation page 64

Fuel valve control
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Building Technologies
Gas (always modulate)
Figure 39: Gas trains – fuel valve control
Basic Documentation LMV27...
7 Basic unit LMV27
Legend for fuel trains:
*) Not used
1) For the valve proving function, the
1)
pressure switch-min is
located between the fuel valve
V1 / V2
LO Light oil
No Normally Open
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
CC1P7541en
17.12.2018