Central Air Thermostat Wiring 5 Wire
If the old thermostat has been removed then the approach is a bit more complex but can still be a DIY project. Use the K terminal in place of the Y and G terminals on conventional or heat pump systems to provide control of the fan and the compressor through a single wirethe unused wire then. Pin On Thermostat Central Air Conditioning. Central Air Thermostat Wiring 5 Wire . Compatible with your system and wiring. The THP9045A1023 Wire Saver Module is used on heatcool systems when you only have four wires at the thermostat and you need a fifth wire for a common wire. Wire to serve as the common wire which powers the thermostat. If the old thermostat is still installed then this will work. For example the Nest Thermostat E wont work with two-stage. Lets start with the simplest approach. 3 Method to Wire a Thermostat. 1 Replace the thermostat wire for wire. Most non-connected programmable thermostats will work with as few as two low-voltage wires common in older heati
