Direct Ignition With Heavy Oil, Multistage; Direct Ignition With; Heavy Oil, Modulating; Fuel Valve Control Program - Siemens LMV5 Series Basic Documentation

Direct ignition with heavy
oil, multistage

Direct ignition with

heavy oil, modulating

Fuel valve
control program
Siemens Building Technologies
HVAC Products
LMV start release - oil input
Program
HO
V1
ϑ
2)
1)
Program
HO
LMV start release - oil input
V1 V2
ϑ
1)
Pmax
LMV direct heavy oil start input
Heavy oil
(direct trafo ignition)
HO
I V1 V2
ts 1
ts 2
Operation
7550f01cE/0200
Basic Documentation LMV51...
3 Fuel train applications (examples)
V2
No
HE
V3
2)
M
ϑ
Ph
**)
V3
Multistage operation
Ph
ϑ
2-stage burner
7550s09E/0202
Ph
ϑ
**)
Modulating burner
Circulation from Phase 38, max. 45 s
as soon as direct heavy oil start
= ON in Phase 38:
→ Phase change in Phase 40
Direct heavy oil start = OFF
at the end of Phase 38
→ Repetition (max. 3 times in total)
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CC1P7550en
01.10.2003