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Wiring diagram for emerson motor 2 speed. How to wire. Motor came with no wiring diagram for low speed and hight speed and which termial is nutral?? Bob

Posted by Anonymous on

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: Which wire goes to which post ? Intermatic T104R

The two wires are interchangeable.

Posted on May 06, 2009

muralme
  • 20 Answers

SOURCE: I am Replacing a pump motor and I'm not sure of the connections

high speed phase neutral should go to High speed {phase} neutral low speed {phase} should go to neutral .....Low speed and high speed {phase} need not be connected

Posted on Jul 12, 2009

john224
  • 1378 Answers

SOURCE: Wiring difficulties during hookup

The side of the motor will have a diagram showing how to connect the wires for common high and low speeds. There should also be a voltage selector device on near the terminals you connect your line wires to. Set that device to the 115 setting and you should be all set.

Posted on Jul 17, 2009

john224
  • 1378 Answers

SOURCE: Need to get diagram to wire gould century 1.5 h.p.

Email me at john@arrowmotor.net and I'll reply with the .PDF from AOSmith. You need to move a couple of wires but as they say, a picture is worth me typing a thousand words.

Posted on Aug 27, 2009

john224
  • 1378 Answers

SOURCE: Pentair WhisperFlo Wiring Help

If you just bought this then there will be a diagram on the motor nameplate and/or under the terminal cover where you connect the wires. Generally speaking, there are two wires inside the motor that change positions depending on 115 or 230 v connection. If one of the wires is on a post common to one of the line leads, that usually means you have the motor set for 115V. Is that the voltage you are supplying to the motor? If there is no diagram you can make out on the motor, post what brand motor and the motor model number for a diagram.

Posted on Dec 24, 2009

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1 Answer

Iam replacng my home a/c blower motor. My unit hasa red a black and a white wire. My new motor has a black wire a blue wire a red wire and a yellow wire. I need to know which color wire goes to which


On the original motor, red was low speed, black was high speed and white was common. The new motor should either have a diagram on the side of it or within the box for verification, but the black SHOULD also be high speed and the red wire SHOULD be low speed , the blue wire SHOULD be medium and the yellow SHOULD be common. However, you MUST verify those connections on the wiring diagram provided with the new motor before you connect or you will probably let out the MAJIC SMOKE !!! The speed you decide not to utilize can just be taped off and zip tied to the bundle.

You made no comment about two brown wires, and if either motor has two browns, they go to the run capacitor.

Dec 23, 2014 | GE Heating & Cooling

1 Answer

Emerson 1081 1563


Electricity is "Color Blind" it does not care what color wire is used!
3 wires normally is a single speed motor, where 4 wires would indicate a 2 speed motor.

Now, if you had someone connect the motor with NO ground, I guess you would have a very unsafe 2 speed motor wiring setup???

It would be very difficult to assist you without actually seeing the application.

But I will presume you also have a "Green" wire since you stated: "More than 3 connections"

  • Green wire is normally/usually Ground. Ground wire is always securely mounted to the casing of the motor with a green screw.
  • White wire is usually a Common/Neutral. Neutral wire will go onto the Common position or sometimes it is labeled as Line1/L1/LN1
  • Black wire is usually a Speed wire. On a 1 speed motor, Black wire is a Line wire. A Line/Hot wire is connected to Line2/L2/LN2 position
  • Red wire is usually an indication that there is an additional speed so therefor an additional Line/Hot wire is required. An additional Hot/Line wire will "Alternate" with the other Hot/Line wire. or "SeeSaw/TeeterTotter" between the 2 hot lines.
    • These type of motors will have a label indicating where the Line/Hot wires will go and will be labeled as "High/H or Low/L"
    • You will need to know, and only you will be able to know this, or any technician at your site, will be able to know. No one will be absolutely able to tell you which wire is High Speed or which wire is Low Speed. e.g. "Red wire is Low Speed" is something you will not hear from me or any other person assisting. We would be able to tell you that normally this brand/manufacturer of spa uses the red wire for Low Speed, but that may not be the case for you!
  • But if you have a red wire, and a black wire, and there is definitely a green wire, then your red & black wires are Line/Hot wires and is possibly a 2 speed pump motor and they will be placed on the High & Low positions. White will be common and the green will be attached to motor casing - Usually!
  • Remember, electricity does not care what color wires are used! So, if somebody who did not know what they were doing, re-wired something down the road and/or did not know "Usual" colors for identification purposes then Color of wire is of no use.
Good Luck

Sep 03, 2014 | Pool & Spa

1 Answer

Blower motor installation


just check the wiring diagram and connect the two wires for the desired speed and put a wire nut one the third one.

Aug 08, 2014 | Emerson NEW A/C Fan MOTOR 1/4 1/6 1/8 HP,...

1 Answer

Replaced an old Magnetek century two speed with a AO smith century two speed. Hooked the wires up the same but unable to get the motor to operate in the high speed mode, suggestions!


Each motor will have wiring diagram on label.
Compare diagram on old motor with new motor.

WIRE COLORS VARY
Which 2-speed timer do you have on the circuit?
Wire lead from NO terminal connects to High speed.
Wire lead from NC terminal connects to Low speed
http://waterheatertimer.org/How-to-wire-T104-Intermatic-timer.html#2-speed
http://waterheatertimer.org/pdf/AO-Smith-motor-wiring.pdf

Oct 23, 2012 | Pool & Spa

1 Answer

2 speed switch wiring dieagram


The motor will have wiring diagram and voltage on nameplate.
You can re-post question with information that shows on nameplate for more exact information, or keep reading below:
If motor is rated for 240Volts, then it will not work with 120V.
If motor is rated for both 120V and 240V, then either Low voltage or high voltage will work, and one wire will be common, and 1 wire will for 120 and other wire for 240.
If motor is rated 120Volt two speed, then one wire will be neutral, and 1 wire low speed, and other wire high speed. You can connect your wire to either low of high, and cap other wire.
If motor is 240volt two speed, then one wire will be common, and 1 wire low speed, and other wire high speed.
If motor is rated 3-phase, then all three wires are connected to the voltage shown on nameplate.
If motor is rated 3-phase two speed, you may need electrician to wire the motor correctly.
http://waterheatertimer.org/pdf/AO-Smith-motor-wiring.pdf

Jun 08, 2012 | Westinghouse Electric Westinghouse...

1 Answer

I have an Emerson (4 Speed) direct drive blower for my gas furnace. What is the process (wire color codes) to change speeds on the blower. (I have a red, black and yellow wires taped off in the wire...


There should be a wiring diagram on the motor itself. The colors of the wires vary depending on voltage and model. Generally you have a med/low and med/high setting, I'm not sure what you are getting to with the low/high setting unless you are trying to set up staging. Check the motor for a diagram, if that is not present post back with all of the wire colors coming from the motor and the voltage.

Sep 25, 2011 | Emerson Heating & Cooling

1 Answer

I took the pump out and repaced with a new one. The wiring lugs are different. the old one has White common, black low red High. The new one has no distinction as to what is low or high. How do I hook...


all US motors should have a wiring diagram on the side of the motor unit. The wires going into the pump would hold their same values. I am assuming the previous pump was two speed as well, if not that is your problem.
assuming that they are both two speed reference the common on the pumps motor diagram, and connect the white wire to that terminal.
reference the diagram for correct low speed and connect the black wire to that termial,
repeat for the high speed.
I deal alot with the flo master pumps and they should all be labeled. The most important thing is to get the common correct, switching the other two wires (black and red) incorrectly would simply result in high coming on when low is supposed to and vice versa.

If there really is not a diagram, here is the most typical setup for that motor.

(if you look closely at the terminals on the motor, there are numbers there)
connect the white common to terminal #5
connect the red hot wire to terminal #1
connect the black hot wire to terminal #2
connect the ground
done

Hope this helps.
If this post has helped you, please take the time to vote positively for me on this site.
thanks, and if you need more help, email me @ : adamh@newconceptchem.com

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Replaced old Ge 1/2hp fan blower motor w/ emerson motor wire not the same couldnot get to work. motors has blk,blue,red,white/brown, brownw/white strip/furance wires are blk,red,white could some tell me...


I am assuming you still have both motors, if you look on the side they will show you what wires go to what. Your Brown/white should be for the capicator. blk should be blk, blu might be white and red be red. I couldn't really say for certain with out looking at the diagram on the side of the motors. I hope this helped Tim

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1 Answer

Need a wiring diagram for emerson k55hweym 3739


green is ground. white is common. blue and orange are hi speed/low speed. brown goes to the capacitor.
Both motors should have the wire diagram on the side of the motor.

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