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Combustion 911
Supplying and Serving the Combustion Industry
an Olsträd Engineering Company

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Burner Control Unit BCU 370Burner Control Unit BCU 370

  • Modulation of forced air gas burners of unlimited capacity in intermittent or continuous operation
  • Control of fan and butterfly valves
  • Simple system set-up with optional tightness control and integrated ignition unit
  • Easy start-up and maintenance in manual operating mode
  • Enhanced flexibility and simplified logistics with programmable functions
  • Easy servicing with user-friendly operating, warning, and fault messages
  • Available with optional integral field bus interface for simple wiring
  • CSA and FM approved

Description

The BCU (burner control unit) 370 controls, ignites, and monitors industrial forced air burners of unlimited capacity in intermittent or continuous operation. It can be used for directly ignited forced air burners or forced air burners ignited with a pilot burner. The burner control unit activates the blower and sets the connected butterfly valve to the pre-purging and ignition position. After the pre-purge and burner start, an enable signal is sent to an external controller that positions the butterfly valve according to the output demand. Post-purge occurs after the end of the burner operation. The BCU 370 monitors the gas and air pressure, an integrated tightness control function (optional) checks the valves with an external gas pressure switch.

The quick-start option allows standard-compliant start-up of a forced air burner without pre-purge after normal shutdown. This means unnecessary air won’t get into the combustion chamber. The heat output is available as quickly as possible after a temperature demand.

The program status, the unit parameters, and the level of the flame signal can be read directly from the unit. An integrated manual mode allows you to start a burner and set the butterfly valve position independently of the central control system. The BCSoft operator-control and setting software provides a powerful tool for start-up and servicing.

To reduce the installation and wiring costs, Kromschroder offers an optional Profibus-DP interface to transfer the activation signals and feedback

Ordering Information

Model and Description Price Cart
BCU 370QFEU0D1
Without ignition; Mains voltage: 120 V AC, 50/60 Hz.
BCU 370QFEU0D3
Without ignition; With tightness control; Mains voltage: 120 V AC, 50/60 Hz.
BCU 370QI1FEU0D1
Electronic ignition, single-pole; Mains voltage: 120 V AC, 50/60 Hz.
BCU 370QFEU0D3B1-3
With tightness control, ProifiBUS-DP and butterfly valve control over ProfiBUS; Mains voltage: 120 V AC, 50/60 Hz.

For all other configurations Contact Combustion 911

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).

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  All Products
All BCU 370
with Electronic Ignition
with Tightness Control
Accessories
BCU 370QFEU0D1
Price:
Without ignition; Mains voltage: 120 V AC, 50/60 Hz
BCU 370QFEU0D3
Price:
Without ignition; With tightness control; Mains voltage: 120 V AC, 50/60 Hz
BCU 370QI1FEU0D1
Price:
Electronic ignition, single-pole; Mains voltage: 120 V AC, 50/60 Hz
BCU 370QFEU0D3B1-3
Price:
With tightness control, ProifiBUS-DP and butterfly valve control over ProfiBUS; Mains voltage: 120 V AC, 50/60 Hz
PCO 200
Price:
Optical Adapter for BC Soft with USB interface, includes CD-ROM
Ignition Cable
Price:
Silicon Cable High Voltage 7mm (priced per foot)

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