Kromschroeder IFS132B-5/1/5T (84344220) burner control unit

Kromschroder IFS 132B-5/1/5T 84344220 control boxes are designed for igniting and monitoring gas burners in gas-fired installations of various kinds. They comply with the range of application specified in EN 746-2. Flame control can be achieved using either an ionization probe or a UV-cell. When using ionization control, it is necessary to have a grounded mains. Kroms chroder IFS 132B-5/1/5T 84344220 burner controller have undergone EC type testing and certification in accordance with the Gas Appliances Directive (90/396/EEC) in conjunction with EN 298.

Kromschroeder IFS 132B-5/1/5T 84344220 gas burner safety control box operation

Upon receiving a heat call from the thermostat, the control unit initiates a flame simulation and safety check during the testing period. If no flame signal is detected, the burner is activated: voltage is supplied to valve V1 and the ignition transformer. If flame simulation is detected, the testing time is extended up to five seconds before the control unit enters lock-out mode.

After the burner is ignited, a flame signal must be detected within the safety time period. In this case, voltage is applied to valve V2, causing it to open. If a flame fails to establish, the control unit enters fault lock-out mode.

Kromschroder IFS 132B-5/1/5T 84344220 burrner control unit continues ignition attempts until a flame signal is detected. Throughout burner operation, the control unit continuously monitors for a flame signal. Fault lock-out is indicated both internally and externally, with the fault indication persisting during regulation stop. Resetting is possible even during regulation stop.

In the event of a flame failure during operation, a re-ignition attempt is made; however, valve V2 is deactivated. The presence of a flame must be detected within the safety time frame, otherwise the control unit enters fault lock-out mode.

Kromschroeder IFS 132B-5/1/5T 84344220 gas control unit construction

The housing of the device is constructed from impact-resistant plastic. The upper housing contains the controller and amplifying stage, along with a reset button (labeled as A) featuring a fault indication indicator on top of the device. Additionally, there is a plug socket with terminals, an earthling strip, and retaining screws. The device includes five openings for cable glands of size Pg 9 (labeled as B). It complies with applicable standards, including EN 298 and VDE regulations.

Krom schroder 84344220 IFS 132B-5/1/5T automatic gas firing device technical data

• Mains voltage: 220/240 V, 50/60 Hz
• Power consumption: Approx. 18 VA
• Output for ignition transformer via relay contact
• Output voltage for valves and ignition transformer = mains voltage
• Contact rating: Max. 1 A per output
• Total load: Max. 2 A
• Average number of operating cycles depending on power factor cos ϕ: Approx. 1,000,000
• Reset button: Max. number of operating cycles: 1000
• Signal input: Remote reset
• Flame control: Sensor voltage: 220 V AC
• Sensor current: > 1 µA
• Reaction time: < 1 s
• Valve connections: 2
• Fuse in unit: F1: 2 A, semi time-lag E, pursuant to DIN 41571 V/EN 60127-1
• Ambient temperature: -20 °C to +60 °C
• Climate: no condensation permitted
• Enclosure: IP 40 pursuant to IEC 529
• Cable gland: PG 9
• Installation position: Arbitrary
• Weight: 390 g