Where can Ifind wiring diagram for carrier ac unit model WC180RCC?

You can find the wiring diagram for the Carrier AC unit model WC180RCC in the unit's service manual, which is often available on the Carrier website or through authorized Carrier dealers. Additionally, some HVAC repair forums and websites may host downloadable versions of wiring diagrams. If you're unable to locate it online, consider contacting Carrier customer support or a licensed HVAC technician for assistance.