jumper wire thermostat
You will need a picture of your wire connections to wire the new thermostat. Thermostat Condenser Furnace Some AC Systems will have a blue wire with a pink stripe in place of the yellow or Y wire.
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What to do if you have a jumper wire Previous Next Pick terminals with wires attached 941 Cancel Itall R C X W W1 WE Y Y1 G RH RC Y2 L AUX B OB O Other W2 E Previous Next Video.
. Label 33-00268-05 wires according to old thermostat terminal designations not by wire. Your new thermostat has the jumper wire built in. 5 13 Label wires Do not label by wire color. If you see a jumper wire remove it.
Connect one wire to the C terminal of your adapter and the other to the RC terminal. Use the supplied sticky tags to label each wire as you disconnect it. The c stands for common. Designation write the appropriate letter on a blank sticky tag.
If no tag matches a terminal. 13 Label wires. Always refer to your thermostat or equipment installation guides to verify proper wiring. If you find a help code follow the troubleshooting steps in Troubleshoot Nest thermostat help codes.
On your thermostat check for codes that can help you understand whats wrong. The c wire is an extra wire that can be used to provide a return path for continuous 24V power for any application. If youre not sure whats wrong or dont feel comfortable fixing your system the best solution for power issues is to contact a Nest Pro in your area. If there is one wire connected to the R terminal and one wire connected to the Rc terminal set the slider to the down position 2 wires.
Wrap the wires around a. Use built-in jumper R Slider Tab to differentiate between one or two transformer systems. NOTE O O O O O O 1 2 3. If there is only one R wire and it is connected to the R Rc or RH terminal set the slider to the up position 1 wire.
If no tag matches a terminal. Troubleshoot or connect a C wire. Leave all other wires connected to the thermostat. Use the supplied sticky tags to label.
Its normally used to provide a return path to power the thermostat. Without a C wire your thermostat will not power up. Each wire as you disconnect it. 9 This diagram is to be used as reference for the low voltage control wiring of your heating and AC system.
Slider Tabs for U terminals. If you have a cooling system you must link the RH and RC terminals using a jumper. Label by wire color. Label wires according to old thermostat terminal designations not by wire color.
When the C-wire fails or your HVAC system fails to give enough power to your thermostat a C-wire adaptor can be useful. What is the C Wire on a Thermostat. Wire your thermostat will not power up. Turn off the power at the breaker.
How do I Pick my. It is often labeled as c on thermostat backplates.
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