burner control units
Kromschroeder IFD 244 burner control unit
Ignites and monitors gas burners, for continuous operation, display for indicating program status and flame signal intensity, IP 54, EU certified, FM and CSA approved
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Overview
Ignites and monitors gas burners, for continuous operation, display for indicating program status and flame signal intensity, IP 54, EU certified, FM and CSA approved.
Features & Benefits:
Features & Benefits:
- Series 200 Ionization control
- Restart in the event of flame failure
- Safety time on start-up: 10 s
- Safety time during operation: 1 s
- Mains voltage: 120 V AC, 50/60 Hz
Specifications
Inputs, Outputs & Signal Interfaces
- Outputs
- Ignition output max 2 A
- Signaling contacts max 2 A at 253 VAC
- Valve output max 1 A
- Signal Input
- PLC-compatible signals (80-122.5 V at120 VAC or 160-253 V at230 VAC)
- Safety interlock input at terminal 3
Safety, Protection & Reliability
- Safety Time During Operation
- <1 seconds or <2 seconds depending on version
- Fault Lock‑out
- Immediate lockout on failed start-up; coded fault messages via display (e.g., 02 = no flame)
Ignition, Flame & Supervision Specifications
- Integrated Ignition Specs
- Ignition voltage 22 kVpp, ignition current 25 mA, spark gap 2 to 5 mm (IFD 244..I)
- Flame Monitoring
- Ionisation-based flame control with DC signal > 2 μA required for flame detection; measuring range 0-25 μA
- Ignition Type
- External ignition transformer (IFD 244) OR integrated ignition unit (IFD 244..I)
- Ignition Time
- Approximately 2, 3, or 6 seconds depending on model configuration
Environmental Conditions
- Environmental Conditions
- -20 to +60 deg C (-4 to 140 deg F), no condensation
- Overvoltage category III; enclosure IP54
Control, Safety & Timing Characteristics
- Start-up Safety Time
- 3, 5 or 10 seconds (model‑dependent)
Dimensions & Length Specifications
- Sensor Cable Length
- Ionisation cable up to 75 m; ignition cable up to 5 m (IFD 244)/1 m (IFD 244..I)
Installation & Mounting Specifications
- Installation Type
- DIN‑rail snap‑mount or screw‑mount (M5), IP54 enclosure, any mounting position
Electrical & Signal Specifications
- Electrical Rating
- 120 VAC or 230 VAC, -15/+10%, 50/60 Hz
- Power consumption approximately 9 VA (extra 25 VA during ignition for IFD 244..I)
Control, Logic & System Behavior
- Restart Function
- Automatic restart after flame failure during operation (single attempt)
Control, Software & User Interface Specifications
- Program Display
- 2‑digit 7‑segment display showing status, flame signal, and fault codes
Processing & Performance Metrics
- Capacity Range
- For directly ignited burners up to 350 kW
Product Overview & Classification
- Device Type
- Automatic burner control unit for gas burners in continuous operation
Standards & Certifications
- Approvals
- EN 298, Machinery Directive 2006/42/EC, Low Voltage Directive 2006/95/EC, EMC Directive 2004/108/EC
Inputs, Outputs & Signal Interfaces
- Outputs
- Ignition output max 2 A
- Signaling contacts max 2 A at 253 VAC
- Valve output max 1 A
- Signal Input
- PLC-compatible signals (80-122.5 V at120 VAC or 160-253 V at230 VAC)
- Safety interlock input at terminal 3
Safety, Protection & Reliability
- Safety Time During Operation
- <1 seconds or <2 seconds depending on version
- Fault Lock‑out
- Immediate lockout on failed start-up; coded fault messages via display (e.g., 02 = no flame)
Ignition, Flame & Supervision Specifications
- Integrated Ignition Specs
- Ignition voltage 22 kVpp, ignition current 25 mA, spark gap 2 to 5 mm (IFD 244..I)
- Flame Monitoring
- Ionisation-based flame control with DC signal > 2 μA required for flame detection; measuring range 0-25 μA
- Ignition Type
- External ignition transformer (IFD 244) OR integrated ignition unit (IFD 244..I)
- Ignition Time
- Approximately 2, 3, or 6 seconds depending on model configuration
Environmental Conditions
- Environmental Conditions
- -20 to +60 deg C (-4 to 140 deg F), no condensation
- Overvoltage category III; enclosure IP54
Control, Safety & Timing Characteristics
- Start-up Safety Time
- 3, 5 or 10 seconds (model‑dependent)
Dimensions & Length Specifications
- Sensor Cable Length
- Ionisation cable up to 75 m; ignition cable up to 5 m (IFD 244)/1 m (IFD 244..I)
Installation & Mounting Specifications
- Installation Type
- DIN‑rail snap‑mount or screw‑mount (M5), IP54 enclosure, any mounting position
Electrical & Signal Specifications
- Electrical Rating
- 120 VAC or 230 VAC, -15/+10%, 50/60 Hz
- Power consumption approximately 9 VA (extra 25 VA during ignition for IFD 244..I)
Control, Logic & System Behavior
- Restart Function
- Automatic restart after flame failure during operation (single attempt)
Control, Software & User Interface Specifications
- Program Display
- 2‑digit 7‑segment display showing status, flame signal, and fault codes
Processing & Performance Metrics
- Capacity Range
- For directly ignited burners up to 350 kW
Product Overview & Classification
- Device Type
- Automatic burner control unit for gas burners in continuous operation
Standards & Certifications
- Approvals
- EN 298, Machinery Directive 2006/42/EC, Low Voltage Directive 2006/95/EC, EMC Directive 2004/108/EC
- Outputs : Ignition output max 2 A|Signaling contacts max 2 A at 253 VAC|Valve output max 1 A
- Safety Time During Operation : <1 seconds or <2 seconds depending on version
- Integrated Ignition Specs : Ignition voltage 22 kVpp, ignition current 25 mA, spark gap 2 to 5 mm (IFD 244..I)
- Environmental Conditions : -20 to +60 deg C (-4 to 140 deg F), no condensation|Overvoltage category III; enclosure IP54
- Start-up Safety Time : 3, 5 or 10 seconds (model‑dependent)
- Sensor Cable Length : Ionisation cable up to 75 m; ignition cable up to 5 m (IFD 244)/1 m (IFD 244..I)
- Installation Type : DIN‑rail snap‑mount or screw‑mount (M5), IP54 enclosure, any mounting position
- Electrical Rating : 120 VAC or 230 VAC, -15/+10%, 50/60 Hz|Power consumption approximately 9 VA (extra 25 VA during ignition for IFD 244..I)
- Restart Function : Automatic restart after flame failure during operation (single attempt)
- Flame Monitoring : Ionisation-based flame control with DC signal > 2 μA required for flame detection; measuring range 0-25 μA
- Fault Lock‑out : Immediate lockout on failed start-up; coded fault messages via display (e.g., 02 = no flame)
- Program Display : 2‑digit 7‑segment display showing status, flame signal, and fault codes
- Capacity Range : For directly ignited burners up to 350 kW
- Ignition Type : External ignition transformer (IFD 244) OR integrated ignition unit (IFD 244..I)
- Ignition Time : Approximately 2, 3, or 6 seconds depending on model configuration
- Signal Input : PLC-compatible signals (80-122.5 V at120 VAC or 160-253 V at230 VAC)|Safety interlock input at terminal 3
- Device Type : Automatic burner control unit for gas burners in continuous operation
- Approvals : EN 298, Machinery Directive 2006/42/EC, Low Voltage Directive 2006/95/EC, EMC Directive 2004/108/EC
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