During the use of the central air-conditioning fan coil, the central air-conditioning motor often has problems. How to choose the central air-conditioning motor! Ever Power tells you the exact method.Before buying a central air-conditioning motor, please be optimistic about the power, shaft length, shaft diameter, and center height of the motor you want to replace before purchasing the motor.The shaft diameter and shaft length need to be measured by themselves. l. There are several shaft diameters of the central air-conditioning motor: the shaft diameter is divided into two types: 12 mm and 14 mm. 2. The central air-conditioning motor's ......