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The original wire from the transformer should be connected to the R terminal on the thermostat, while the new C wire should be connected to the C terminal on the new thermostat. This should supply power to the thermostat, and allow it to operate as normal.
Connect wires to control board Take the wires from the “Equipment” side of your C-Wire Adapter and connect them to the control board. Be sure to remove the plastic tips and insert the wires into their corresponding terminals as shown...
In the diagram below, a 3-wire NM cable supplies line voltage from the electrical panel to the first outlet box. The red wire (line “B” phase) connects to the first outlet only. The black wire (line “A”phase) connects to the black wire of an NM cable that travels to the next outlet box.
26 Μαΐ 2023 · This complete 24-volt thermostat wiring guide covers all thermostat wiring issues from the simple to the complex – from basic 2 wire thermostat wiring common to gas furnaces all the way to 8 wire thermostat wiring for two stage heat pumps and similar HVAC systems.
24 Οκτ 2021 · Take a picture of your current thermostat wiring. Include the letters next to the terminals where the wires are inserted. This will be a helpful reference when wiring your thermostat, and when troubleshooting with our support team.
10 Ιουν 2023 · A C wire adapter (common wire adapter) works by adding a new C wire to the thermostat by repurposing the existing wiring between the thermostat and the furnace. A typical C wire adapter has 4 terminals at the input to connect the wires from the furnace, and five wires at the output; to connect to the thermostat.
How to use a C-Wire Adapter. A C-Wire Adapter replaces the need for a C-Wire. Review the steps below. You can purchase a C-Wire Adapter here. To use a C-Wire Adapter, you will require access to your HVAC system. NOTE: If at any point you are uncomfortable completing the steps, we recommend contacting a local HVAC contractor