Siemens LMV3 series - Modulating Gas - Pilot Ignition 1 (Pilot between V1 and V2)

LMV Series Technical Instructions
Document No. LV3-1000
SCC Inc. Page 7 Section 4
Modulating Gas - Pilot Ignition 1 (Pilot between V1 and V2)
(Fuel Train Options 2, 8, 15, 20)
Legend:
SV
=
Safety valve (optional, outside building)
V1
=
Upstream gas valve (main)
PS
=
Pressure switch
V2
=
Downstream gas valve (main)
VP
=
Valve proving
PV
=
Pilot valve
Notes:
1. Fuel actuator not used with options 8 or 15
2. The SKP25 (on valve V2) is typically replaced by an SKP55/75 for pneumatically linked gas trains
Operating Mode
Parameter 201 (fuel 0) or 301 (fuel 1)
Fuel Train
Fuel Actuator
Air Actuator
VSD Speed Feedback (if activated)
Description
2 Gp1 mod • • •
Modulating gas, pilot ignition 1 (pilot between V1 and V2), electronically
linked fuel-to-air ratio
8 Gp1 mod pneu •
Modulating gas, pilot ignition 1 (pilot between V1 and V2), pneumatically
linked fuel-to-air ratio
15 Gp1 mod pneu
Modulating gas, pilot ignition 1 (pilot between V1 and V2), pneumatically
linked fuel-to-air ratio, no actuators
20 Gp1 mod • •
Modulating gas, pilot ignition 1 (pilot between V1 and V2), electronically
linked fuel-to-air ratio