BCU Burner control unit
370 Series 370
Q Mains voltage 120 V AC, 50/60 Hz
W Mains voltage 230 V AC, 50/60 Hz
— Without ignition
I1 Electronic ignition, single-pole
I2 Electronic ignition, double-pole
I3 Electronic ignition, double-pole with neutral conductor
F Fan control
E Valve control
U0 Ionization control (continuous op.) or UV control (intermittent op. with UVS)
U1 UV control (continuous operation with UVD 1)
D1 DGmax. monitoring
D3 Integrated tightness control
B1 PROFIBUS DP interface
-3 Three-point step control via PROFIBUS DP
For controlling, igniting and monitoring industrial forced draught burners of unlimited
capacity in intermittent or continuous operation (in conjunction with UV sensor UVS, only
intermittent operation available) for applications pursuant to EN 676.
It can be used for directly ignited forced draught burners or forced draught burners
ignited with a gas pilot. Programmable via an optical interface and the PC software
BCSoft, with optional quick start without pre-purge, display of the program status, unit
parameters and flame signal, integrated Manual mode for manual burner start, BCU
370..D3 with tightness control function, BCU 370..B1 with PROFIBUS DP interface,
can be programmed according to customer requirements, EU certified, AGA, FM, CSA
(USA, Canada) and EAC approved, UL listed.
Designation Order no.
Without ignition; DGmax. monitoring
BCU 370WFEU0D1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88600015
Without ignition; integrated tightness control
BCU 370WFEU0D3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88600023
Electronic ignition, single-pole*; DGmax. monitoring
BCU 370WI1FEU0D1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88600001
Electronic ignition, single-pole*; integrated tightness
control
BCU 370WI1FEU0D3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88600206
Versions
BCU 370..B1 with PROFIBUS DP interface,
connection in the lower section of the housing . . . . . . . . . . . . . . . . surcharge
BCU 370..B1-3 with three-point step control
via PROFIBUS DP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . surcharge
* Note the cable length and ignition energy (cf. Technical Information)
BCU 370 Technical
Information
BCU 370
6 Electric flame monitoring and control units
2-90
Burner control units BCU 570
Type code
BCU Burner control unit
570 Series 570
Q Mains voltage 120 V AC, 50/60 Hz
W Mains voltage 230 V AC, 50/60 Hz
C0 No valve proving system
C1 Valve proving system
F1 Modulating with IC interface
F2 Modulating with RBW interface
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