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Figure 13
Program sequence for firing unit : LOA24
DE
Heat request
Oil pre-heater
Oil pre-heater thermostat
PL
Burner motor
(Fan / pump)
Ignition
Magnet valve
Flame signal
RU
t h
Heating time of the oil pre-heater
t prp Pre-aeration
t pri Pre-ignition
t poi Post-ignition
t s
Safety time
Figure 14
Figure 15
en
6
t h
t prp, t pri
t s
t poi
—
13 s
13 s
20 s
10 s
BMV3 / BMV4 / BMV5 : 662Y1000 • A