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Building Technologies Basic documentation LMV37.4... CC1P7546en
7 Basic unit LMV37.4 17.12.2018
Gas (always modulate)
Pilot ignition 1
Gp2
V1 V2
7548f01e
0309
Figure 45: Gas – fuel valve control
Legend for fuel trains:
*) Not used
1) For the valve proving function, the
pressure switch-min is located
between the fuel valve V1 / V2
HO Heavy oil
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
Fuel valve control
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