How to choose single or dual run capacitor?
A single unit run capacitor is generally used in smaller air conditioner units. A single unit run capacitor will have two connections and will be hooked up to a single motor. A dual run capacitor is essentially just two run capacitors in one. They have nothing else that makes them electrically special. A dual run capacitor supports two electric motors, such as in large air conditioner or heat pump units, with both a fan motor and a c...