Step 3 examine the motor nameplate for wiring information. Next use a red wire to connect the switch to the low speed terminal of the motor.
Marathon Electric Motor Wiring Diagram 7 Wire H1 Wiring Diagram
How to wire electric motors. This is where the cord or conduit attaches. The motor will also have a name plate with information such as the make model horse power rating voltage amperage etc. Look at the underside of the cover for the wiring diagram which specifies which wires are used to wire the motor for 240 volts. Many motors can be wired for a high and low voltage and for either delta or wye sometimes called y or star wiring. Open the wiring box cover by removing the screws and verify there are four wires inside the box for wiring the motor. The junction box has a cover plate in place to protect the wiring and connections.
Consult the link below. I have received several requests to cover this topic. Check the motor manufacturers manual for recommendations on the correct wiring hookup for your application. 30 other red wire needs constant 12 volt power from the battery. Wire the motor. 85 black wire.
How to wire two speed motors by danielle smyth updated. Most electric motors have a wiring junction box typically on the rear of the motor on one side. The wiring diagram will show that two of the motor wires are connected together for 240 volt wiring. How to wire an ac electric motor step 1. Open the motor wiring box and identify the wires within. 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.
Ac single phase 14 blower motor brushless induction motor 2. I show how to wire several different types of motors and explain some of the important components. When diagnosing a faulty automotive motor it is often impossible not to perform. Ac single phase washing. Some motor leads are identified by color. 86 graywhite wire goes to the ignition switch.
Describes with detailed information how to test automotive electric motors fuel pump analysis cooling fans etc. 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. The nameplate will specify the motor voltages and may give specific wiring information. You can now turn on the power to your motor and test that the switch works properly. 87 red wire connects to the positive wire on the electric fan. How dual voltage motors work and how to wire them even without the wire labels.
Be absolutely sure all electricity is removed from the motor circuitry before wiring any ac motor. The nine wires should be labeled 1 through 9. Then use a black wire to connect the switch to the high speed terminal of the motor. In this case consult the motor documentation for lead identification. If you want to chip in a few bucks to support more content.