The steps shown is this video are not only for honeywell thermostats but also many o.
Nest thermostat e wiring diagram 4 wire.
The stand for the nest learning thermostat is sold separately 20.
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If you do not have a c wire don t worry.
The exposed wire should be straight.
If you have an r rc or rh wire you can put it into the r connector on the nest thermostat.
If your current thermostat doesn t have a wire in the c terminal.
3 attach the nest thermostat to the wall 4 plug the thermostat in with the power plug and cord installing the nest thermostat in a new spot if you re installing the nest thermostat and aren t connecting it to any cables within the wall then you ll need to.
We teach you how to install a c common wire on the nest thermostat nest thermostat.
The wiring diagram that you ll get from the nest app will tell you to connect the c wire to your nest thermostat.
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If you have a w2 y2 or o b wire you can put it into the o b connector if needed.
If your current thermostat has a wire in the c terminal.
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If you have a micro controller based system your nest thermostat may need a c wire to be compatible with these systems.
How to setup your nest thermostat using current wiring from a honeywell.
You don t need a c wire take your fan wire and wire it to c on the nest then move fan from the furnace controll.
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The nest app won t tell you to connect one do not connect a c wire to your nest thermostat unless the nest app tells you to.
Systems that can t deliver enough power some systems can t deliver enough power at least 20 volts over the existing system wires so a nest thermostat s battery may slowly drain and eventually cause the thermostat to.
Use the wiring diagram you got from the compatibility checker in step 4 to connect your system wires to the nest thermostat.