FCU 500, FCU 505 · Edition 02.17 9
Application
The ignition and monitoring of the
individual burners is ensured by
burner control unit BCU 460..L.
The centrally checked safety func-
tions such as pre-purge, tightness
test, flow detector and pressure
switch check (gas
min.
, gas
max.
,
air
min.
) are provided by the FCU 500.
M
PZL PZH PZ
PZL PDZ
TE
M
BCU 460..L
BCU 460..L
FCU 500..F0
µC
P
DG DG DG
VAS
VAS
VAS
VCG
VCG
VR..L
VR..L
DG DG
DG
min
DG
max
49 15 131450
45
47 4858
>750°
p
u
/2
ϑ
1
46
2
3
DL
min
DL
Purge
STM
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