While wires in these colors carry power they are not used in typical outlet wiring. Hvac furnace blower motor wire color speeds.

How To Wire A Furnace Or Ac Blower Motor Diy
Fan motor wiring color code. Black to a control box. Wiring up an hvac air handler fan motor capacitor. You reported four but listed five wirres in your air handler and that were connected to the run capacitor. For example you might see yellow wires as switch legs to ceiling fans structural lights and outlets paired with light switches. Color code how to test to verify speeds. On 2017 07 09 by mod typical color codes wiring connections for an air handler blower fan or a compressorcondenser fan compressor wires.
Blue wire or green wire. M 3 m 3. Instead blue and yellow wires are used as the live wires pulled through a conduit. How to eliminate 2 run capacitors. High speed delta connection low speed star connection. Try it for yourself.
The power source for color coding is the color code legend fig. 4 wire and 3 wire condenser fan motor wiring. Since there are a lot of different color codes it is unclear what the exact purpose of the blue wire is but you can use your individual fans wiring diagram to learn how it functions. W2 or white w2 or white u2 or black u2 or black v2 or orange v2 or orange u1 or red u1 or red v1 or yellow v1 or yellow w1 or blue w1 or blue thermal contacts tb white thermal contacts tb white. It is to wiring diagrams and circuits as what ohms law is to electricity and e mc2 is to energy and matter. 3ø wiring diagrams 1ø wiring diagrams.
The color code legend was born from the process of identifying the simple within the complex. Another important wire is usually a green one which is used to ground all the systems of the ceiling fan. Ac service tech llc.