Scatola di comando Brahma 37565010 NDM32

Brahma NDM32 burner control unit (art. 37565010) is a modern microprocessor burner control unit (burner management unit) designed for automation of ignition, flame monitoring and safe operation of medium‑power and high‑power atmospheric burners with flame modulation, operating in intermittent mode. The device provides a full control cycle: pre‑purge, ignition, continuous flame monitoring and safety lockout. Unlike most controllers for forced‑draught burners, the NDM32 is specially optimised for high‑power progressive atmospheric burners, achieving maximum combustion stability without unnecessarily complicating the system. Main technical specifications Parameter Value Supply voltage 220–240 V, 50/60 Hz Flame control Ionisation electrode or photodiode FD Combustion method Atmospheric burners Burner type Progressive (modulating) Fuel type Gas, liquid fuel Operating mode Intermittent (with self‑check function) Pre‑purge time (Tv) 20 seconds Safety time (Ts) 5 seconds Response time on flame loss less than 1 second Operating temperature –20 °C to +70 °C Humidity max. 95% at 40 °C Protection class IP00 (protection ensured by mounting in an enclosure) Dimensions (H×W×D) 10.7 × 8.1 × 3.6 cm Weight approx. 0.2 kg Key features Built‑in high‑voltage ignition transformer – no external unit required, simplifies installation and increases start‑up reliability. Microprocessor control with self‑diagnosis – the intermittent operating cycle activates periodic self‑checking of all components, guaranteeing safety before each start‑up. Optimised timing logic for high‑power burners: fixed 20‑second pre‑purge time ensures complete purging of the combustion chamber even in large boilers, reducing the risk of ignition puff‑back. Universal flame control – works with both an ionisation electrode (for gas) and a photodiode FD (for liquid fuel), expanding the range of applications. Non‑volatile lockout with manual reset – after an emergency shutdown, restart is only possible by the operator pressing the button manually, eliminating the risk of unintentional system start‑up. Robust protection and durability – built‑in EMC filter protects against electromagnetic interference, and a varistor protects against voltage surges. The service life of electronic components is designed for long‑term operation. LED indication – displays operating modes and fault codes for quick burner status diagnostics. Compact and robust housing – made of flame‑retardant plastic, protects against mechanical damage and simplifies installation in confined spaces. Applications The Brahma NDM32 37565010 burner management unit is a key element for a wide range of equipment where stable and safe operation of high‑power atmospheric burners is critical: Industrial and domestic heating boilers (gas and oil) Combination boilers Heat generators and air heaters Water heaters and gas convectors Infrared (IR) heaters and hot air guns Process furnaces and other equipment with atmospheric burners Order codes 37565010, 246.124.153