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Building Technologies
Basic Documentation LMV27...
CC1P7541en
7 Basic unit LMV27
17.12.2018
Gas (always modulate)
V1
PV
V1
V
2
PIL
O
T
ig
n
iti
o
n 2
Gp
2
PV
V1
V2
Legend for fuel trains:
*) Not
used
1)
1) For the valve proving function, the
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
Figure 39: Gas trains – fuel valve control
Fuel valve control