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 switch may be faulty and needs replacement. Read more: https://smartacsolutions.com/how-to-test-3-wire-ac-pressure-switch/ #ACPressureSwitchTips #HVACtesting101 #ACdiagnostics #PressureSwitchFix #HVACProblemsSolved #ACRepairHacks #DIYACtesting #AirConditioningTips #HomeHVACtricks #PressureSwitchTech