This occurs if refrigerant pressure drops below 10 PSI

Note that for first-time coil transitions

Designed with a 2-1/2" NPT or flange connection

For NG units

Trane MOT18586 Motor 319847-401 This occurs if refrigerant pressureThe Trane MOT18586 is a professional grade 1 HP variable speed motor engineered for precise airflow control in high performance HVAC systems. This OEM replacement motor is a direct substitute for the MOT14415 and is commonly integrated into Trane air handlers and premium residential furnaces. Operating on a 120 208 240V single phase circuit, this ECM motor utilizes an open air over (OAO) enclosure and a 48 frame to maintain thermal stability during