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Home >> Kromschroder Products >> Flame Safety and Burner Controls >> BCU Series >> BCU 560 >> BCU 560QC0F3U0D0K1-E
BCU 560

Burner Control BCU 560QC0F3U0D0K1-E

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  • For monitoring and controlling modulating or staged burners for multiple burner applications with a central air supply
  • For directly ignited burners of unlimited capacity in intermittent or continuous operation
  • Mains voltage: 120 V AC, 50/60 Hz
  • Connection plug with screw terminals
  • Air valve control
  • Ionization or UV control in case of operation with gas
  • Flexible range of applications with parameterization
  • PROFINET fieldbus connection using optional bus module
  • Safety functions pursuant to EN 746-2
  • EU certified, FM approved
  • Certified for systems up to SIL 3 and PL e

Accessories

Model and Description Price Cart
PCO 200
Optical Adapter for BC Soft with USB interface, includes CD-ROM
Ignition Cable
Silicon Rubber Cable High Voltage 7mm (priced per foot).
OCU 500-1
Operator-control unit. German, English, French, Dutch, Italian, Spanish language support.
OCU 500-2
Operator-control unit. English, Swedish, Danish, Norwegian, Portuguese language support.
OCU 500-3
Operator-control unit. English (GB), English (USA), Spanish, Portuguese (Brazil), French language support.
OCU 500-4
Operator-control unit. English, Russian, Polish, Hungarian, Romanian, Czech language support.
BCM 500S0B2/3-3
Fieldbus interface
Surge Protector
Surge voltage protector 500 V
Diode
Diode GP10Y, 1 A, 1600 V
BCU 56x/580..K1
Connection plugs with screw terminals.

Applications

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Application for BCU 560 Burner Control Unit Single-stage-controlled burner

Control: ON/OFF
The gas/air mixture is adjusted to the requirements of the applications using the parameters of pre-ventilation and postventilation. The pressure switch monitors the air flow in the air supply line or in the flue gas exhaust.
Application for BCU 560 Burner Control Unit Two-stage-controlled burner

Control: ON/OFF or High/Low
The BCU provides the cooling and purging processes. The burner starts at lowfire rate. When the operating state is reached, the BCU advises the control unit. Depending on the parameter setting, the air valve is actuated to open and close by the program or externally via the input at terminal 2.
Application for BCU 560 Burner Control Unit Modulating-controlled burner
Control: Continuous
The BCU provides the cooling and purging processes. The BCU moves the butterfly valve for air to ignition position. The burner starts at low-fire rate, a threepoint step controller controls the burner capacity via the butterfly valve for air after the operating state has been signalled.
Application for BCU 560 Burner Control Unit Modulating burner control

For processes that do not require heavy circulation in the furnace, e.g. aluminium smelting furnaces.
This system is suitable for processes in which infiltrated air may flow into the furnace through switched off burners. The capacity can be adjusted continuously by activating the control element (analogue or 3-point step signal). The pneumatic ratio control system controls the gas pressure proportionally to the air pressure and thus maintains a constant air/gas ratio. At the same time, it acts as a low air pressure protection device.
One burner control unit per burner is required for ignition and monitoring.
The centrally checked safety functions such as pre-purge, setting the valve to ignition position via a butterfly valve control system, tightness test, flow detector and pressure switch check (gasmin, gasmax, airmin) are provided by the FCU 500.

Specifications

Mains voltage: 120 V AC, -15/+10%, 50/60 Hz, ±5%, for grounded or ungrounded mains.
Power consumption: Approx. 3 W/5.5 VA plus power consumption per AC input of approx. 0.08 W/0.2 VA
Flame control with UV sensor or ionization sensor: Ionization control: 2 – 25 µA
UV control: 5 – 25 µA
Signal cable for flame signal current: max. 50 m (164 ft).
Max. number of operating cycles: Fail-safe outputs (valve outputs V1, V2 and V3): monitored for correct functioning - not subject to a max. number of operating cycles
Actuator (terminals 53, 54 and 55): max. 1,000,000
signalling contact for operating signals: max. 1,000,000
signalling contact for fault signals: max. 10,000
On/Off button: max. 10,000
Reset/Information button: max. 10,000
Valve outputs V1, V2 and V3 (terminals 13, 14 and 15): Max. 1 A each, cos φ ≥ 1
Actuator outputs (terminals 53, 54 and 55): Max. 1 A, cos φ = 1
Ignition transformer (terminal 9): Max. 2 A
Total current for the simultaneous activation of the valve outputs (terminals 13, 14 and 15), of the actuator (terminals 53 – 56) and the ignition transformer: Max. 2.5 A
Signalling contact for operating and fault signals: max. 1 A (external fuse required)
Input voltage of signal inputs: Signal "1": 80 – 132 V
Signal "0": 0 – 20 V
Signal input current: Signal "1": max. 5 mA
Fuse in BCU, replaceable: F1: T 3.15A H
F2: T 2A H, pursuant to IEC 60127-2/5.
Ambient temperature: -20 to +60°C (-4 to +140°F), no condensation permitted.
Enclosure: IP 20 pursuant to IEC 529
Installation location: min. IP 54 (for installation in a control cabinet)
Weight: Approx. 0.7 kg (1.54 lbs.)

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modulating with IC interface
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Accessories
BCU 560QC0F0U0D0K1-E
Price:
Mains voltage: 120 V AC, 50/60 Hz; No valve-proving system; No capacity control; Ionization or UV control; No high temperature operation; Connection plugs with screw terminals.
BCU 560QC0F3U0D0K1-E
Price:
Mains voltage: 120 V AC, 50/60 Hz; No valve-proving system; Air valve control; Ionization or UV control; No high temperature operation; Connection plugs with screw terminals.
PCO 200
Price:
Optical Adapter for BC Soft with USB interface, includes CD-ROM
OCU 500-1
Price:
Operator-control unit. German, English, French, Dutch, Italian, Spanish language support.
OCU 500-2
Price:
Operator-control unit. English, Swedish, Danish, Norwegian, Portuguese language support.
OCU 500-3
Price:
Operator-control unit. English (GB), English (USA), Spanish, Portuguese (Brazil), French language support.
OCU 500-4
Price:
Operator-control unit. English, Russian, Polish, Hungarian, Romanian, Czech language support.
BCM 500S0B2/3-3
Price:
Fieldbus interface
Surge Protector
Price:
Surge voltage protector 500 V
Diode
Price:
Diode GP10Y, 1 A, 1600 V
BCU/FCU 500..K1
Price:
Connection plugs with screw terminals.
BCU/FCU 500..K2
Price:
Connection plugs with spring force terminals, 2 connection options per terminal.
Ignition Cable
Price:
Silicon Cable High Voltage 7mm (priced per foot)

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