Kromschroeder 88600741 BCU370WFEU0D1B1-3 burner control unit

Kromschroeder 88600741 BCU370WFEU0D1B1-3 control unit controls, ignites and monitors industrial forced draught burners of unlimited capacity in intermittent or continuous operation. Kromschroder BCU370WFEU0D1B1-3 88600741 gas burner safety control box technical data Mains voltage: 230 V AC,  50/60 Hz Flame control with UV sensor or ionisation sensor Flame signal for Ionization control: 1 – 28 μA, UV control: 1 – 35 μA For intermittent or continuous operation Air pressure check during pre-purge and operation by external air pressure switch DL Maximum length of ignition cable with integrated electronic ignition: 1 m Maximum length of ionisation/UV cable: 50 m (164 ft) Max. number of operating cycles: 250,000 Ambient temperature: -20 - +60 °C (-4 – +140 °F) Enclosure: IP 54 pursuant to IEC 529 Housing made of impact-resistant and heat-resistant plastic. Plug-in upper section with operating and display elements. Lower section with connection terminals, earthing strip and pre-wired neutral bus with spacious wiring chamber Fan control: 3 A relay Valve control: three-point step Flame control: ionization control (continuous or intermittent operation) or UV control intermittent operation with UVS) Digital input function: DGmax. Monitoring Fieldbus interface: PROFIBUS DP Bus control: three-point step With bottom section Minimum burner pause time tBP: 0 s Burner start-up attempts: 1 Switch-on delay time tE: 0 s Pre-ignition time tVZ: 1 s Safety time 1, burner/pilot burner start-up tSA1: 5 s Flame proving period 1, burner/pilot tFS1: 2 s Safety time 2, main burner start-up tSA2: 3 s Flame proving period 2, main burner tFS2: 2 s Controller enable signal delay time tRF: 0 s Minimum burner on time tB: 0 s Safety time during operation tSB: 1 s V2 during burner operation: Off Behaviour in the event of flame failure during operation: fault lock-out Burner switch-off threshold: 1 micro A UVS check (1 x in 24 hours): Off Operating time in Manual mode: limited to 5 minutes User-defined password Air monitoring during pre-purge: On Air monitoring during operation: On Gas pressure monitoring: On Digital input function: DGmax. Monitoring Fan run-up time tGV: 0 s Valve control: On Bus control activation: On Bus control limitation: ignition position Pre-purge on each start-up: On Pre-purge time tPV: 30 s Post-purge time tPN: 0 s Weight: 1.46 kg