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- Sep 22, 2010
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I found this on another forum and was wondering if it is a correct generalization of how a 110 Motor is wired.
I would like to learn, in simple, basic terms, how 220 motors are wired too, but when I get a book, it goes into SO MUCH DETAIL, I get lost!
Same thing with descriptions online- so complex!
"A 110 motor has 2 windings (three if it is 110/220). One is connected whenever the motor is running, and one goes through an internal switch, and is used for starting only. Each need 2 wires that connect to 110VAC.
The start winding is automatically switched out, and you should not need to do anything but hook it up, the motor takes care of switching it off.
If these wires are labeled 1 thru 4, with 1 and 2 being the "run" winding, and 3 and 4 being the "start" winding, then.....
if 1 and 3 are connected, and 2 and 4 are also, the motor will start and turn one direction, maybe clockwise, when power is hooked with (for instance) hot on the 1,2 group, and neutral on the 3,4 group.
if instead, 1 and 4, and 2 and 3 are connected, it will start the other direction.
The usual wiring sends power through one switch, and uses a second to reverse the start winding versus the run winding, as per above.
it can also be done with a single more complex switch (known as a "drum" switch)."
Thanks in advance!
Nelson
I would like to learn, in simple, basic terms, how 220 motors are wired too, but when I get a book, it goes into SO MUCH DETAIL, I get lost!
Same thing with descriptions online- so complex!
"A 110 motor has 2 windings (three if it is 110/220). One is connected whenever the motor is running, and one goes through an internal switch, and is used for starting only. Each need 2 wires that connect to 110VAC.
The start winding is automatically switched out, and you should not need to do anything but hook it up, the motor takes care of switching it off.
If these wires are labeled 1 thru 4, with 1 and 2 being the "run" winding, and 3 and 4 being the "start" winding, then.....
if 1 and 3 are connected, and 2 and 4 are also, the motor will start and turn one direction, maybe clockwise, when power is hooked with (for instance) hot on the 1,2 group, and neutral on the 3,4 group.
if instead, 1 and 4, and 2 and 3 are connected, it will start the other direction.
The usual wiring sends power through one switch, and uses a second to reverse the start winding versus the run winding, as per above.
it can also be done with a single more complex switch (known as a "drum" switch)."
Thanks in advance!
Nelson