Use 2 5 mm2 awg 14 70 c copper conductors only and tighten all connections to 2 nm. This video will explain you capacitor start run wiring os window air conditioner in simple hindi click on following link for a text book for all four semester mechanic refrigeration and air. A wiring diagram of a single speed psc motor is shown in figure the capacitor start capacitor run cscr motor has the highest starting torque.