Brahma 37106215 CM31F control box

Brahma CM31F (art. 37106215 / 246.124.197) is a reliable burner control unit (burner management unit) designed for controlling atmospheric gas burners with a fan (sealed combustion chamber) operating in intermittent (cyclic) mode. This “burner management unit” guarantees stable and long‑lasting operation of your heating equipment. Purpose and applications Brahma CM31F (37106215) is ideally suited for automating gas equipment where high reliability and safety are required. The device provides a complete control cycle: false flame check, pre‑purge (5 seconds), ignition (with ionisation monitoring), flame maintenance and safety shutdown. It is used in various devices, including: Heating and combination boilers (domestic and industrial). Hot air guns, warm air generators and combi steamers. Radiant tube and infrared (IR) heaters, water heaters. Air heaters and other equipment with modulating burners. The controller is intended for burners operating with a single flame and complies with the European standard EN 298 for automatic burner control and flame monitoring systems. Main technical specifications Parameter Value Model Brahma CM31F Article numbers 37106215, 246.124.197 Rated supply voltage 230 V AC, 50/60 Hz (110‑120 V version available) Power consumption max. 15 VA (start‑up) Burner type Atmospheric, progressive (modulating), gas, with fan Operating mode Intermittent (must be stopped at least once every 24 hours) Pre‑purge time (tv/tp) 5 seconds Safety time (ts) 10 seconds Waiting time (tw) 5 seconds Response time on flame loss 5 µA for reliable operation). Lockout reset: When a safety lockout occurs, find and eliminate the cause (e.g., check gas supply, electrode condition, etc.), then manually press the Reset button on the housing. Maintenance: Periodically check the condition of contacts, wiring integrity, and the cleanliness and position of the ionisation electrode. Contamination or wear of the flame sensor can lead to false trips. Operating mode: The unit is designed for intermittent operation. To maximise service life and safety, the system must be forced to stop at least once every 24 hours. Package contents Brahma CM31F burner control unit (art. 37106215) – 1 pc. Quick installation and operation guide. Order codes 37106215 246.124.197