4. What is BMS?

Burner Management system which includes, Interlocks, Trips condition and logic for leak test, total failure, loss of flame failure, Partial flame loss and master fuel trips. This is mainly a system for a protection of furnace explosion. However it includes Boiler protection interlocks such as Drum level HH/LL Reheat protection.   It also includes sequence of start and stop of fuel firing equipment. FSSS--Furnace Safegaurd Supervisory System is also used by some manufacturers.