Kromschroeder IFD258-5/1WI (84621635) burner control unit

Kromschroder IFD 258-5/1WI 84621635 gas burner control box is designed to ignite and monitor industrial gas burners directly, without limitation on capacity. Its fully electronic design enables quick response to various process demands, making it suitable for frequent cycling operation.

Kromschroder IFD 258-5/1WI 84621635 gas burner safety control box can be applied to atmospheric or forced draught burners in multiple burner setups, where a central control system manages pre-purge and monitoring. Burners may operate in modulating or stage-controlled modes.

Kromschroder 84621635 IFD 258-5/1WI burner control technical data

• Power consumption: approx. 9 VA
  • Ionization or UV control
  • Immediate fault lock-out or restart in the event of flame failure, switchable
  • Safety time on start-up: 5 s
  • Safety time during operation: 1 s
  • Mains voltage: 230 V AC, 50/60 Hz
  • Integrated electronic ignition
  • Max. number of operating cycles: 250,000
  • Max. number of operating cycles: reset button: 1000, mains button: 1000
  • Sensor voltage: approx. 230 V AC
  • Sensor current: > 2 µA
  • Switch-off threshold can be adjusted between 2 and 20 µA
  • Max. sensor current for ionization control < 25 µA
  • Ambient temperature: -20 to +60°C (-4 to +140°F)
  • Relative humidity: no condensation permitted
  • Enclosure: IP 54 pursuant to IEC 529
  • Overvoltage category III pursuant to EN 60730
  • Cable gland: M16
  • Installation position: any
  • Suitable for directly ignited burners of unlimited capacity in continuous operation according to EN 746-2 standards.
  • Switchable function allows for immediate fault lock-out or restart following flame failure.
  • Flame control options include UV sensor or ionization sensor.
  • Display provides information on program status and flame signal intensity.

Kromschroder 84621635 IFD 258-5/1WI burner control wiring

1. Kromschroder 84621635 IFD 258-5/1WI automatic gas firing device is intended for hardwired connections only. Ensure correct phase and neutral conductor orientation, avoiding mixing phases in a three-phase current system with the IFD.
2. Avoid applying any voltage to the valve and ignition outputs.
3. Unused terminals should not be utilized as support terminals.
4. Signaling contacts for operation and fault signals do not comply with safety extra-low voltage (SELV/PELV) standards.
5. Proper grounding of the burner is essential. Improper wiring and inadequate grounding can lead to equipment damage during single-electrode operation.
6. In single-electrode operation, only ignition transformers of type TZI or TGI are permissible. Pulse-spark or high-frequency ignition devices are not allowed.