Yf120 Series Single Phase Asynchronous Capacitor Motor Applications: roof air-conditioners, cabinet air-conditioners, duct fa Yf120 Series Single Phase Asynchronous Capacitor MotorApplications: roof air-conditioners, cabinet air-conditioners, duct ... : 4 poles, 6 poles, 8 poles3)Speed choice: by wire, single speed or multiple speed (6-speed to the most)4 ...