In this Post you can see Diagram of Gree GS-12UG3S Indoor Wiring. you can learn easily by this diagram and fully4world. Gree GS-12UG3S Indoor Wiring Diagram You should read it : Outdoor Wiring with Combine Capacitor Diagram Non Inerter 4 Ton Outdoor Wiring Diagram Mcquay 4 Ton Outdoor Wiring with Magnetic Contractor and lock out