Boîtier de commande Brahma 37100253 CM11F

Brahma CM11F is a high‑tech microprocessor controller designed for complete automation and safety of atmospheric gas burners. It is equally suitable for equipment with forced air supply (fan) and without. Purpose and applications Brahma CM11F is specifically designed for controlling two‑stage atmospheric gas burners operating in intermittent (cyclic) mode. It is a key component for automating a wide range of heat‑generating equipment: Heating systems: heating and combination boilers. Climate control equipment: hot air guns (e.g., popular Master models BV70, BV110, BV170, BV290, B230, B360 and OKLIMA), air heaters, infrared (IR) heaters, radiant tube heaters. Domestic and industrial appliances: water heaters, combi steamers, ovens, gas cookers and industrial furnaces. The controller is compatible with burners from leading global brands such as Riello, Weishaupt, Giersch, Viessmann, Lamborghini and others. Main functions and features Two‑stage power control – Enables the burner to operate in two modes (partial and full load), significantly improving efficiency and comfort by reducing the number of on/off cycles. Reliable manual lockout reset – The main feature of the CM series. In any abnormal situation (e.g., ignition failure or sudden flame loss) the device automatically locks out. To restart, the Reset button on the housing must be pressed manually after eliminating the cause of the fault. This eliminates the risk of unintentional burner start‑up and meets the highest safety class. Instant ionisation flame monitoring – System safety is based on the ionisation method of flame detection. On flame loss, the controller reacts in less than 1 second, instantly shutting off the gas supply. Built‑in ignition transformer and high build quality: Equipped with a built‑in high‑efficiency solid‑state ignition transformer. A varistor provides reliable protection against voltage surges. An impact‑resistant housing made of flame‑retardant plastic protects the electronics from mechanical damage, dust and dirt during installation. Fully automatic combustion cycle – The device independently manages all stages of operation: from checking for false flame and pre‑purge to ignition, continuous flame monitoring and safe shutdown. Two independent safety contacts – Provide redundancy for the critical gas valve control circuits, maximising safety. Auxiliary contact – Intended for low‑power ignition or for controlling the main gas valve in systems with intermittent power supply. Compliance with international standards and high reliability: Fully compliant with European safety standards EN298:1993 and EN298:2003. The manufacturer‑declared service life of the electronics is at least 250,000 operations under maximum load. Technical specifications The exact parameters for this model are given below; they must be considered when selecting or replacing the control unit. Parameter Value Model Brahma CM11F Article numbers 37100253, 246.124.079 (identical) Rated supply voltage 220‑240 V AC, 50/60 Hz (110‑120 V version available on request) Power consumption 7 VA Burner type Atmospheric, two‑stage Operating mode Intermittent (must be stopped at least once every 24 hours for self‑diagnosis) Pre‑purge time (tv/tp / t1) 30 seconds Safety time (ts / t2) 10 seconds Waiting time (tw / t3) 30 seconds Response time on flame loss 250,000 cycles and built‑in protection against voltage fluctuations. Economy and comfort – Two‑stage power control optimises fuel consumption and reduces the number of burner starts/stops. Easy integration – Compact dimensions and standard interfaces simplify installation and replacement. Package contents Brahma CM11F burner control unit (art. 37100253) – 1 pc. Quick installation and operation guide. Note: The connection base, ionisation electrode and ignition electrode are sold separately. Storage conditions and warranty Warranty period: Typically 6‑12 months from the date of sale (please check with the seller) provided that installation and operating rules are followed. Storage conditions: Store in a dry place, protected from direct sunlight, at a temperature between –20 °C and +70 °C. Order codes 37100253 (main Brahma article) 246.124.079 (alternative Brahma marking)