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. Hvac furnace blower motor wire color speeds.
Computer Fan Wiring Color Code 4 Wire Fan Speed Control 4
Fan motor wiring color code. While wires in these colors carry power they are not used in typical outlet wiring. High speed delta connection low speed star connection. You reported four but listed five wirres in your air handler and that were connected to the run capacitor. 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. Color code how to test to verify speeds.
Black to a control box. For example you might see yellow wires as switch legs to ceiling fans structural lights and outlets paired with light switches. Instead blue and yellow wires are used as the live wires pulled through a conduit. Wiring up an hvac air handler fan motor capacitor. Blue wire or green wire. 4 wire and 3 wire condenser fan motor wiring.
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. On 2017 07 09 by mod typical color codes wiring connections for an air handler blower fan or a compressorcondenser fan compressor wires. The color code legend was born from the process of identifying the simple within the complex. Ac service tech llc. Try it for yourself. How to eliminate 2 run capacitors.
Another important wire is usually a green one which is used to ground all the systems of the ceiling fan. M 3 m 3. The power source for color coding is the color code legend fig.
Gallery of Fan Motor Wiring Color Code
