Thermostat Wiring For Ac Units. To install your unit, you’ll need to connect the correct wires to the corresponding terminals. You will see now all the wiring.
Current thermostat is a honeywell ct3300a1009. Begin by installing the base first. Web both are connected to the same contactor relay, located inside the condensing unit.
Connect The White Wire To The Y Terminal At The Cooling.
Electricity is delivered to the stat through. Label them with all of the numbers and take pictures. Web connect the red wire to the r terminal at the cooling system, and the rc terminal on the thermostat.
Web If You Have A C Wire, Place It Into The C Terminal On Your Wall Plate.
You will see now all the wiring. I explain what each of the letter t. Web now remove the screws that lock the thermostat to the wall.
Web The Air Conditioning Units Will Not Turn On Unless The Main (Downstairs) Thermostat Is Set To 75 Degrees When The Temperature In The Upper Story Rooms Reaches.
Current thermostat is a honeywell ct3300a1009. Web remove the existing thermostat base by loosening the mounting screws. 2 take off existing control.
The Following Installation Instructions And Wiring Diagram Are.
The first thing that you need to learn is how your thermostat works. Separate the front of the new thermostat from the base. Web in this hvac installation training video, i show how to wire the low voltage thermostat wires into a furnace and ac unit.
Begin By Installing The Base First.
C wire adapters are available here. Web the bundled furnace wire to the thermostat includes a black common wire which is not connected on either end. To install your unit, you’ll need to connect the correct wires to the corresponding terminals.