Honeywell Krom Schroder BCU 580 - Page 16

BCU 580 · Edition 11.15l 16
Application
The ignition and monitoring of the
pilot/main burners is ensured by
burner control units BCU 580.
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
BCU 580..F3
FCU 500..F0
µC
P
DG DG DG
VAS
VAS
VAS
VAGVAS
VAS
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
BCU 580..F3
VAGVAS
VAS
M
STM