BCU 5..C1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . surcharge
Capacity control
BCU 5..F1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . surcharge
BCU 5..F2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . surcharge
BCU 5..F3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . surcharge
High temperature operation
BCU 5..D1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . surcharge
BCU 5..D2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . surcharge
Connection plugs
BCU 5..K1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . surcharge
BCU 5..K2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . surcharge
BCU 500 Technical
Information
BCU 560, 565
6 Electric flame monitoring and control units
2-85
Accessories for BCU 500
Designation Order no.
Connection plugs with screw terminals
Connection plugs FCU 500+BCU 56x/580..K1 . . . . . . . . . . . . . . . 74923998
Connection plugs with spring force terminals
Connection plugs FCU 500+BCU 56x/580..K2 . . . . . . . . . . . . . . . 74924000
Flame detector IFW 15
For flame detection or multi-flame control in conjunction with BCU 5, for intermittent
operation, with ionization or UV control.
Designation Order no.
220/240 V AC, for grounded and ungrounded mains
IFW 15-T . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84359020
110/120 V AC, for grounded and ungrounded mains
IFW 15-N . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84359030
Burner control units PFU 700
Type code
PFU Burner control unit
7 Series 700
60 Standard version
80 Version for pilot and main burners
L Air valve control
T Mains voltage 220/240 V AC, 50/60 Hz, for grounded and ungrounded mains
N Mains voltage 110/120 V AC, 50/60 Hz, for grounded and ungrounded mains
D Digital input for high temperature operation
U Configured and prepared for UVD 1
K1 Replacement for PFS/PFD
K2 Replacement for PFU 778/798
19" rack-mounted burner control unit, for controlling, igniting and monitoring impulsecontrolled, modulating-controlled or stage-controlled gas burners, for continuous operation (in conjunction with UV sensor UVS, only intermittent operation available). Display of
the program status, unit parameters and flame signal; Manual mode for burner adjustment and for diagnostic purposes; visualization and adaptation to the specific application via the PC programming and diagnostic software BCSoft. Optionally available with
air valve control and PROFIBUS DP connection via fieldbus interface PFA, FM, EAC and
AGA approved, certified for systems up to SIL 3 (compliant with PL e).
Designation Order no.
For directly ignited burners
Safety time on start-up: 3 s
PFU 760LT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88650016
Safety time on start-up: 5 s
PFU 760LT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88650011
For directly ignited burners, with digital input for high
temperature operation
Safety time on start-up: 3 s