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Building Technologies Basic documentation LMV37.4... CC1P7546en
7 Basic unit LMV37.4 17.12.2018
2-stage burner
V2
V3
No
Ph
HO m. Umsp
Program
V1
LMV37 - Heavy oil direct start - input - with circulation control
Bild 424e/0913
Figure 59: Heavy oil direct ignition, 2-stage, with circulation control
Modulating burner
Circulation control from phase 38, maximum 45 seconds 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 (a maximum of 3 times)
LMV37 - Heavy oil direct start - input - with circulation control
V2
V1
Pmax
Program
HO m. Umsp
Bild 425e/0913
Figure 60: Heavy oil direct ignition, modulating, with circulation control
Heavy oil direct ignition,
multistage
(Operating mode 24)
Heavy oil direct ignition,
modulating
(Operating mode 23)
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