Bcu 440: Modulating-Controlled Burner - Honeywell krom schroder BCU 440 Manual

Application
3
BCU 440
12
AKT VAS
3
BCU 440
12
VAS
AKT
BCU 440 · Edition 01.17
L1, N, PE
PLC
mA
1
18
µC
19
9
BIO/
BIC
AKT
1
18
µC
19
9
BIO/
BIC
AKT

1 .1 .2 BCU 440: Modulating-controlled burner

Control: continuous.
Modulating control of the gas flow rate with a constant
air flow rate. The burners start at low-fire rate, and the
actuator IC 20 controls the burner capacity via the lin-
ear flow control LFC after the operating state has been
signalled.
7