You can now turn on the power to your motor and test that the switch works properly. I show how to wire several different types of motors and explain some of the important components.
Torques In Electrical Induction Motors
How to wire electric motors. The motor should run at low speed when the switch is flipped in the direction of the red wired terminal and at a high speed when it is flipped in the direction of. How to wire two speed motors by danielle smyth updated. The wiring diagram will show that two of the motor wires are connected together for 240 volt wiring. 85 black wire. Open the motor wiring box and identify the wires within. When diagnosing a faulty automotive motor it is often impossible not to perform.
Consult the link below. If you want to chip in a few bucks to support more content. Describes with detailed information how to test automotive electric motors fuel pump analysis cooling fans etc. Ac single phase 14 blower motor brushless induction motor 2. Ac single phase washing. 86 graywhite wire goes to the ignition switch.
Look at the underside of the cover for the wiring diagram which specifies which wires are used to wire the motor for 240 volts. The motor will also have a name plate with information such as the make model horse power rating voltage amperage etc. Step 3 examine the motor nameplate for wiring information. Open the wiring box cover by removing the screws and verify there are four wires inside the box for wiring the motor. I have received several requests to cover this topic. Some motor leads are identified by color.
How dual voltage motors work and how to wire them even without the wire labels. 87 red wire connects to the positive wire on the electric fan. Most electric motors have a wiring junction box typically on the rear of the motor on one side. Many motors can be wired for a high and low voltage and for either delta or wye sometimes called y or star wiring. The junction box has a cover plate in place to protect the wiring and connections. 30 other red wire needs constant 12 volt power from the battery.
In this case consult the motor documentation for lead identification. The nine wires should be labeled 1 through 9. How to wire an ac electric motor step 1. If the motor has a dual voltage capability then it will state 120240 volts and there will be a wiring configuration or wiring connection diagram. Be absolutely sure all electricity is removed from the motor circuitry before wiring any ac motor. Next use a red wire to connect the switch to the low speed terminal of the motor.
The nameplate will specify the motor voltages and may give specific wiring information. Check the motor manufacturers manual for recommendations on the correct wiring hookup for your application. Then use a black wire to connect the switch to the high speed terminal of the motor. This is where the cord or conduit attaches. Wire the motor.
Gallery of How To Wire Electric Motors
