sayoung wrote:
"Y" is the LOW voltage lead that controls the relay ( contacter ) that energizes compressor. The relay you posted early on is a start/potential relay for a Start capacitor. Sounds like what you ordered was a CONTACTER , totally different function .
This is what I ordered
https://www.ebay.com/itm/123744887539
Whose model number points to many listings all calling it a "Start Relay" and the diagrams and manuals for my AC also call the part I replaced a "Start Relay"
Diagram on the inside of my AC unit:
Diagram that came with the new start relay I ordered:
