Modulating-Controlled Burner - Honeywell Krom Schroeder BCU 480 Manual

Application
DI
6 3 5
BCU 480
14 12
VAG
M
BV+IC
BCU 480 · Edition 03.16l
L1, N, PE
DI P
SPS
PLC
mA
API
1 2
4 21
µC
24
VBY
1
2
1 .1 .4 Modulating-controlled
burner
Control:
Main burner continuous.
The butterfly valve for air is moved
to ignition position in order to start
the main burner. The main burner
can be started at low-fire rate after
the operating signal from the pilot
burner has been detected. The con-
18
19
trol system controls the burner ca-
16
pacity via the butterfly valve for air
1
17
after the operating state has been
28
2
29
signalled. Pilot and main burners
can be operated simultaneously.
This reduces the time required by
the main burner for starting up.
10