Things to look for on an air handler PM. Belts, filters, coil condition, pan and drain condition, pulleys, bearings and grease if necessary and tension belts properly. Remember, it all starts with air flow. If you want to take it to the next level. Megging motor and motor wires and documentation of the readings can help. Just disconnect any VFD that might be in thr circuit.

Posted by HVAC Know It All at 2021-06-21 14:46:17 UTC