burner control units
Burner control unit BCU 370
The burner control unit BCU 370 controls, ignites and monitors industrial forced draught burners of unlimited capacity in intermittent or continuous operation.
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Features & Benefits:
- Mains voltage: 230 V AC, -15/+10%, 50/60 Hz or 120 V AC, -15/+10%, 50/60 Hz
- Flame control with UV sensor or ionization sensor
- Air pressure check during pre-purge and operation by external pressure switch DL
Environmental Conditions
- Ambient Temperature Range
- -20 to +60 deg C (standard), -10 to +60 deg C (with ignition unit)
- Enclosure Rating
- IP54 (IEC 529)
Actuation, Valve & Motion Control Specifications
- Valve Output Rating
- Max 1 A each, total max 2.5 A
- Tightness Control
- Optional (D3 variant), programmable test period
Control, Logic & System Behavior
- Start-up Attempts
- 1 to 4 (per parameter P07)
Control, Software & User Interface Specifications
- Software Interface
- Optical interface with BCSoft PC software
- Display Type
- 2-digit 7-segment display
Inputs, Outputs & Signal Interfaces
- Output Load
- Max 4 A
Operating Limits, Durability & Lifecycle
- Operating Altitude
- < 2000 m AMSL
Operating Limits & Resistance
- Maximum Operating Cycles
- 250000
Electrical Specifications
- Mains Voltage
- 120 VAC (Q), 230 VAC (W), ±15%, 50/60 Hz
- Flame Signal Current
- Ionization: 1-28 µA
- UV: 1-35 µA
Ignition, Flame & Supervision Specifications
- Ignition Type
- Electronic ignition: I1 (single-pole), I2 (double-pole), I3 (double-pole with neutral)
- Flame Control
- UV Sensor or Flame Rod
Communication & Interfaces
- Fieldbus Interface
- Optional PROFIBUS DP (B1), with three-point step control (B1-3)
Combustion Air, Blower & Emissions Specifications
- Fan Output Rating
- Max 3 A, start-up current max 6.5 A < 1 s
Material Specifications
- Body Material
- Impact‑resistant, heat‑resistant plastic
Standards & Certifications
- Approvals
- EU DirectivesLow Voltage (2014/35/EU), EMC (2014/30/EU), GAR (2016/426), FMClass 7611, CSAClass 3335‑01/3335‑81, UL 372, AGA Approval No. 6880
Applications & Compatibility
- Applications
- Modulating, forced draught burners for gas (intermittent or continuous operation)
Environmental Conditions
- Ambient Temperature Range
- -20 to +60 deg C (standard), -10 to +60 deg C (with ignition unit)
- Enclosure Rating
- IP54 (IEC 529)
Actuation, Valve & Motion Control Specifications
- Valve Output Rating
- Max 1 A each, total max 2.5 A
- Tightness Control
- Optional (D3 variant), programmable test period
Control, Logic & System Behavior
- Start-up Attempts
- 1 to 4 (per parameter P07)
Control, Software & User Interface Specifications
- Software Interface
- Optical interface with BCSoft PC software
- Display Type
- 2-digit 7-segment display
Inputs, Outputs & Signal Interfaces
- Output Load
- Max 4 A
Operating Limits, Durability & Lifecycle
- Operating Altitude
- < 2000 m AMSL
Operating Limits & Resistance
- Maximum Operating Cycles
- 250000
Electrical Specifications
- Mains Voltage
- 120 VAC (Q), 230 VAC (W), ±15%, 50/60 Hz
- Flame Signal Current
- Ionization: 1-28 µA
- UV: 1-35 µA
Ignition, Flame & Supervision Specifications
- Ignition Type
- Electronic ignition: I1 (single-pole), I2 (double-pole), I3 (double-pole with neutral)
- Flame Control
- UV Sensor or Flame Rod
Communication & Interfaces
- Fieldbus Interface
- Optional PROFIBUS DP (B1), with three-point step control (B1-3)
Combustion Air, Blower & Emissions Specifications
- Fan Output Rating
- Max 3 A, start-up current max 6.5 A < 1 s
Material Specifications
- Body Material
- Impact‑resistant, heat‑resistant plastic
Standards & Certifications
- Approvals
- EU DirectivesLow Voltage (2014/35/EU), EMC (2014/30/EU), GAR (2016/426), FMClass 7611, CSAClass 3335‑01/3335‑81, UL 372, AGA Approval No. 6880
Applications & Compatibility
- Applications
- Modulating, forced draught burners for gas (intermittent or continuous operation)
- Ambient Temperature Range : -20 to +60 deg C (standard), -10 to +60 deg C (with ignition unit)
- Valve Output Rating : Max 1 A each, total max 2.5 A
- Tightness Control : Optional (D3 variant), programmable test period
- Start-up Attempts : 1 to 4 (per parameter P07)
- Software Interface : Optical interface with BCSoft PC software
- Output Load : Max 4 A
- Operating Altitude : < 2000 m AMSL
- Maximum Operating Cycles : 250000
- Mains Voltage : 120 VAC (Q), 230 VAC (W), ±15%, 50/60 Hz
- Ignition Type : Electronic ignition: I1 (single-pole), I2 (double-pole), I3 (double-pole with neutral)
- Flame Signal Current : Ionization: 1-28 µA|UV: 1-35 µA
- Flame Control : UV Sensor or Flame Rod
- Fieldbus Interface : Optional PROFIBUS DP (B1), with three-point step control (B1-3)
- Fan Output Rating : Max 3 A, start-up current max 6.5 A < 1 s
- Enclosure Rating : IP54 (IEC 529)
- Display Type : 2-digit 7-segment display
- Body Material : Impact‑resistant, heat‑resistant plastic
- Approvals : EU DirectivesLow Voltage (2014/35/EU), EMC (2014/30/EU), GAR (2016/426), FMClass 7611, CSAClass 3335‑01/3335‑81, UL 372, AGA Approval No. 6880
- Applications : Modulating, forced draught burners for gas (intermittent or continuous operation)
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