Siemens LMV51.000B2 - Dual-Fuel Burner Gas; Heavy Oil with Gas Pilot Ignition; Fuel Valve Control Program

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Siemens Building Technologies Basic Documentation LMV5... CC1P7550en
HVAC Products 3 Fuel train applications (examples) 13.08.2004
ϑ
V1 gas
ACT
V2 gasSV gas
Gas
PS
max
PS
min
No
2)
V2 oil
LMV start release oil input
Pmax
1)
HE
V1 oil
PS
VP
V3 oil
SV oil
Ph
Gp2
Heavy oil
ϑ
PV gas
HOgp
Circulation from Phase 44, max. 45 s
as soon as direct heavy oil start
= ON in Phase 44:
→ Phase change in Phase 40
Direct heavy oil start = OFF at the end of
Phase 44
→ Repetition (max. 3 times in total)
Operation
7550f12E/0800
Two stage operation
MIN MAX
GOOO
PV
V1 V2 V3
ts 2
ts 1
HOgp
Phase 44
max. 45 s
Heavy oil (with gas pilot ignition)
Dual-fuel burner gas / heavy oil
with gas pilot ignition
Fuel valve
control program