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Application
3
BCU 440
12
VAS
BCU 440 · Edition 01.17
L1, N, PE
PLC
1
18
µC
19
9
ZAI
1 .1 Examples of application
1 .1 .1 Atmospheric burners
Control: ON/OFF
The burner is ignited by the spark electrode and is mon-
itored by the flame rod. In the event of a flame failure
during start-up, an immediate fault lock-out occurs. In
the event of a flame failure during operation, an imme-
diate fault lock-out or a restart occurs, depending on
the unit parameter settings.
6
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