Belt drives connecting motors to fans wear out and can break over time; a properly functioning BMS system will detect a sudden loss in motor speed and stop the motor, though preventative maintenance should be planned to avoid belt failure.

causalpending

Speaker

Unidentified Speaker — Fundamentals of HVAC - Basics of HVAC [klggop60vlM]

Evidence Quote

These belts also need to be replaced periodically they will break And they will wear down... If you've got the good control system in the on the BMS system. It will pick up that Sudden Loss that step and and it will activate act on that, and it will stop the motor from running

Source

Fundamentals of HVAC - Basics of HVACThe Engineering Mindset
Created: 8/13/2026, 4:57:53 AM

My Notes

Loading notes...