Kromschroder Automatic burner control unit IFD258-3/1WI 84621615

The Kromschroder Automatic burner control unit IFD258-3/1WI (SKU 84621615) is a control box designed to ignite and supervise industrial gas burners without capacity limits. It operates with a supply voltage of 230 V and supports flame detection via ionization or UV sensors. The unit has a safety time of 3 seconds on start-up and can perform up to 250,000 operating cycles. It is rated IP54, weighs 841 g, and operates in ambient temperatures from -20 to 60 °C. Connection is via hard wiring with an M16 cable gland, and it can be installed in any position.

Parts of this type are selected by matching the supply voltage, flame detection method, and safety time to the burner system's requirements. The unit must be hard-wired, and the phase and neutral conductors must not be reversed. Ensure the burner is adequately grounded, and for single-electrode operation, only compatible ignition transformers (type TZI or TGI) are used. The installation position is flexible, but the cable gland size and protection class must suit the environment.

When items of this kind fail, the burner may lock out or fail to ignite, often indicated by a fault signal. Common issues include incorrect wiring, insufficient grounding, or a faulty flame sensor. Check the flame signal intensity and the switch-off threshold adjustment, as well as the integrity of the ionization or UV sensor. If the unit repeatedly locks out, verify the safety time settings and the condition of the ignition transformer.