flame detectors
Honeywell Kromschröder® Flame Detector Unit
Providing safe, efficient flame monitoring for gas burners
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Overview
Honeywell’s all-new Kromschröder Flame Detector Unit (FDU) series provides OEMs, burner manufacturers and end users with a state-of-the-art flame monitoring capability for gas burners across a wide range of applications – from hot-air furnaces and gas-fired boilers to industrial furnaces and excess-gas flaring installations.
Replacing Kromschröder’s IFW 15/50, R4343 and BC1000 flame relay models, the new FDUs enable multi-flame control or multi-point monitoring in conjunction with burner control units (BCUs) such as the Kromschröder BCU 560 or a failsafe PLC with a standard-compliant flame monitoring device.
There are two FDU models to choose from: the FDU 510 monitors gas burners in intermittent operation (applications of less than 24 hours) while the FDU 520 monitors gas burners in continuous operation (applications of more than 24 hours). The compact footprint of these units means that they can be easily integrated and mounted with other equipment in a cabinet, providing convenient access for maintenance and repair.
Replacing Kromschröder’s IFW 15/50, R4343 and BC1000 flame relay models, the new FDUs enable multi-flame control or multi-point monitoring in conjunction with burner control units (BCUs) such as the Kromschröder BCU 560 or a failsafe PLC with a standard-compliant flame monitoring device.
There are two FDU models to choose from: the FDU 510 monitors gas burners in intermittent operation (applications of less than 24 hours) while the FDU 520 monitors gas burners in continuous operation (applications of more than 24 hours). The compact footprint of these units means that they can be easily integrated and mounted with other equipment in a cabinet, providing convenient access for maintenance and repair.
Specifications
Environmental Conditions
- Ambient Temperature Range
- -20 to +60 deg C (-4 to +140 deg F)
- Relative Humidity
- 5 to 95% RH (non-condensing)
- Enclosure Rating
- IP20 (device), IP54 (installation)
Electrical Specifications
- Supply Voltage
- 120 VAC (FDU..Q), 230 VAC (FDU..W), ±15%
Storage/Transport Temperatures
- Storage Temperature Range
- -20 to +80 deg C (-4 to +176 deg F)
Control, Software & User Interface Specifications
- Software Tool
- BCSoft (Windows PC)
- Software Class
- Class C (double-channel architecture with comparison)
Operating Limits, Durability & Lifecycle
- Operating Cycles
- Max. 250,000
Installation & Mounting Specifications
- Mounting Options
- DIN rail (35 x 7.5 mm)
- Installation Orientation
- Min. IP 54 enclosure (e.g. control cabinet)
Overview
- Models
- FDU 510 (intermittent operation), FDU 520 (continuous operation)
- Burner Type
- Gas burners with or without fan
Ignition, Flame & Supervision Specifications
- Flame Signal Range
- 1 to 15 µA (C70xx)
- 1 to 25 µA (Ionization/UVS/UVC)
- Flame Failure Detection Time (FFDT)
- Adjustable: 0.7/1.7/2.7/3.7 seconds
- Flame Control
- UV Sensor, Ionization, UVC, C70xx series
Communication & Interfaces
- Fieldbus Communication
- PROFINET, Modbus TCP (via BCM 500 module)
Dimensions & Weight
- Dimensions
- 60 mm W x 115 mm H x 112 mm D
Actuation, Valve & Motion Control Specifications
- Contact Ratings
- 2 A (SIL 3: max 0.1 A)
Connections & Interfaces
- Connection Type
- Screw terminals (2.5 mm²), Spring terminals (1.5 mm²)
Standards & Certifications
- Approvals
- Safety Standard EN 298, EN 746‑2, EU Directives LVD, EMC, GAR, UL (USA/Canada), FM, CE, NFPA 86, EN 60730-1
Applications & Compatibility
- Applications
- Gas Burners, Hot-Air Furnaces, Boilers, Industrial Furnaces, Flaring
Inputs, Outputs & Signal Interfaces
- Analog Outputs
- 0 to 5 V flame signal intensity
Environmental Conditions
- Ambient Temperature Range
- -20 to +60 deg C (-4 to +140 deg F)
- Relative Humidity
- 5 to 95% RH (non-condensing)
- Enclosure Rating
- IP20 (device), IP54 (installation)
Electrical Specifications
- Supply Voltage
- 120 VAC (FDU..Q), 230 VAC (FDU..W), ±15%
Storage/Transport Temperatures
- Storage Temperature Range
- -20 to +80 deg C (-4 to +176 deg F)
Control, Software & User Interface Specifications
- Software Tool
- BCSoft (Windows PC)
- Software Class
- Class C (double-channel architecture with comparison)
Operating Limits, Durability & Lifecycle
- Operating Cycles
- Max. 250,000
Installation & Mounting Specifications
- Mounting Options
- DIN rail (35 x 7.5 mm)
- Installation Orientation
- Min. IP 54 enclosure (e.g. control cabinet)
Overview
- Models
- FDU 510 (intermittent operation), FDU 520 (continuous operation)
- Burner Type
- Gas burners with or without fan
Ignition, Flame & Supervision Specifications
- Flame Signal Range
- 1 to 15 µA (C70xx)
- 1 to 25 µA (Ionization/UVS/UVC)
- Flame Failure Detection Time (FFDT)
- Adjustable: 0.7/1.7/2.7/3.7 seconds
- Flame Control
- UV Sensor, Ionization, UVC, C70xx series
Communication & Interfaces
- Fieldbus Communication
- PROFINET, Modbus TCP (via BCM 500 module)
Dimensions & Weight
- Dimensions
- 60 mm W x 115 mm H x 112 mm D
Actuation, Valve & Motion Control Specifications
- Contact Ratings
- 2 A (SIL 3: max 0.1 A)
Connections & Interfaces
- Connection Type
- Screw terminals (2.5 mm²), Spring terminals (1.5 mm²)
Standards & Certifications
- Approvals
- Safety Standard EN 298, EN 746‑2, EU Directives LVD, EMC, GAR, UL (USA/Canada), FM, CE, NFPA 86, EN 60730-1
Applications & Compatibility
- Applications
- Gas Burners, Hot-Air Furnaces, Boilers, Industrial Furnaces, Flaring
Inputs, Outputs & Signal Interfaces
- Analog Outputs
- 0 to 5 V flame signal intensity
- Ambient Temperature Range : -20 to +60 deg C (-4 to +140 deg F)
- Supply Voltage : 120 VAC (FDU..Q), 230 VAC (FDU..W), ±15%
- Storage Temperature Range : -20 to +80 deg C (-4 to +176 deg F)
- Software Tool : BCSoft (Windows PC)
- Software Class : Class C (double-channel architecture with comparison)
- Relative Humidity : 5 to 95% RH (non-condensing)
- Operating Cycles : Max. 250,000
- Mounting Options : DIN rail (35 x 7.5 mm)
- Models : FDU 510 (intermittent operation), FDU 520 (continuous operation)
- Installation Orientation : Min. IP 54 enclosure (e.g. control cabinet)
- Flame Signal Range : 1 to 15 µA (C70xx)|1 to 25 µA (Ionization/UVS/UVC)
- Flame Failure Detection Time (FFDT) : Adjustable: 0.7/1.7/2.7/3.7 seconds
- Flame Control : UV Sensor, Ionization, UVC, C70xx series
- Fieldbus Communication : PROFINET, Modbus TCP (via BCM 500 module)
- Enclosure Rating : IP20 (device), IP54 (installation)
- Dimensions : 60 mm W x 115 mm H x 112 mm D
- Contact Ratings : 2 A (SIL 3: max 0.1 A)
- Connection Type : Screw terminals (2.5 mm²), Spring terminals (1.5 mm²)
- Burner Type : Gas burners with or without fan
- Approvals : Safety Standard EN 298, EN 746‑2, EU Directives LVD, EMC, GAR, UL (USA/Canada), FM, CE, NFPA 86, EN 60730-1
- Applications : Gas Burners, Hot-Air Furnaces, Boilers, Industrial Furnaces, Flaring
- Analog Outputs : 0 to 5 V flame signal intensity
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