The Ultimate Guide to Testing 3-Wire AC Pressure Switch!
2:09
YouTubeSmart AC Solutions
The Ultimate Guide to Testing 3-Wire AC Pressure Switch!
To test a 3-wire AC pressure switch, follow these steps: a) Disconnect power to the AC unit. b) Locate the pressure switch and identify its three wires. c) Using a multimeter, set it to the continuity or resistance mode. d) Test the switch terminals while applying and releasing pressure. e) If there is no continuity or resistance change, the ...
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