adapt.
Securing clip
Securing clip
IP 42 + IP 44
M16 – M20
PG 11 – M16
Tube set
4 Pressure switches
2-79
Automatic burner control units
Burner control units for multiple burner applications with central fan.
Type
designation
Continuous
operation
Air control
Ignition
type
Max.
signal line
length
Behaviour in the
event of flame
failure
Gas valve
outputs
IFD 244 yes no direct 75 m restart 1
IFD 244..I yes no direct 1 m restart 1
IFD 258 yes no direct 75 m switchable 1
IFD 258..I yes no direct 1 m switchable 1
BCU 400 yes optional direct/pilot 5/50 m programmable 2
BCU 56x yes optional direct 100 m programmable 3
BCU 580 yes optional Gas pilots 100 m programmable 4
PFU yes optional direct/pilot 100 m programmable 2
Burner control units BCU 370, BCU 570
Burner control unit for modulating single or forced draught burners.
Type
designation
Continuous
operation
Air control
Ignition
type
Max.
signal line
length
Behaviour in the
event of flame
failure
Gas valve
outputs
BCU 370 yes yes direct/pilot 1/50 m programmable 3
BCU 570 yes yes direct/pilot 100 m programmable 4
Protective system control FCU 500
For monitoring and controlling central safety functions in multiple burner systems on
industrial furnaces
– Gas pressure monitoring
– Air pressure monitoring