Question about Coleman Heating & Cooling

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I am replacing the blower motor in my Coleman electric furnace. The original motor is a Westinghouse 230 volt single phase, single speed motor with a black and an orange lead. Both of these leads connect to "line". There is also a green ground lead that goes from the motor frame to ground. The Coleman number on the motor is 3400-313. I replaced the original motor with an AO Smith motor number 1468-120P. It is a two speed motor with four leads, and, of course, the green ground lead. The leads are red, (low speed) orange, (line) and two black leads. One black lead (high speed) goes to "line". My question is, where does the second black lead go? Does it go to ground, or remain un-used like the red low speed lead?When I hook up the orange lead and one of the black leads to each of the "line" inputs like the old single speed motor the new motor does not run. Thank you for any assistance you can provide.

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  • RC17 Sep 18, 2008

    The nameplate reads-

    HP - 1/6

    PH - 1

    V - 230

    RPM - 1050

    SPD - 2

    A - 3.0

    CAP - MFD

    HRS - Air Over

    HZ -60

    FR - 42Y

    INS.40C

    VAC -Thermally Protected

    Red - Lo

    Black - Hi

    Orange - Line

    The nameplate also indicates that the red and black leads go to line. This leaves one black lead unaccounted for. The motor does not run when both black leads are hooked to line. This motor is the motor that is listed as the replacement for the original single speed motor.

  • TexNOz May 11, 2010

    Give me the "nameplate" data off the motor please. It almost sounds like you are replacing a shaded pole motor with a PSC motor and two of those lines are for the capacitor.

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3 Answers

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  • Master
  • 522 Answers

Look at the schematic. I've never seen 2 black line wires. Do not ground it! Schematic tells it all and will be on the motor. An electrician may know, but a HVAC tech is who I would call. By the description I found on line, it states Black wires are High sp., so its probably just 2 different ways to power high speed for different applications. So I would leave 1 black lead disconnected. Check amperage to be safe!

Posted on Mar 10, 2017

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  • Coleman Master
  • 45,628 Answers

Get in an electrician but rest assured that if you connect the black wire ( neutral )to ground
you will dead short the motor and the house wiring
electricity is not in the providence of DIY legally

Posted on Mar 10, 2017

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  • Coleman Master
  • 16,215 Answers

Take a meter to the line wires and be sure you have voltage. Could be the motor control circuit.

Posted on Mar 10, 2017

6 Suggested Answers

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Posted on Jan 02, 2017

ranger25
  • 72 Answers

SOURCE: wiring diagram

The white wire is nuetral, if you are trying to make a shop fan or something like that then you hook it to the white wire which goes to the wide spade on the outlet. The black one which is the hot and goes to the smaller blade (looking at an outlet in the U.S. on the right hand side) on the plug and should be for one speed operation. The other three should be capped off if you use it this way. If not, then cap off the black on on the motor and run the hot wire on the plug through a three stage switch. To find what speed corresponds to what wire you have to check resistance to the white wire and the lower the resistance, the higher the speed and hook up to switch accordingly. Also, ground the case with a solderless ring connector under a mounting screw attached to the ground prong on plug. Hope this helps.

Posted on Jan 28, 2008

  • 3 Answers

SOURCE: Need connection diagram, AO Smith electric motor FDL 1056

red is low blue med black high

Posted on Feb 19, 2009

  • 96 Answers

SOURCE: Need connection diagram, AO Smith motor FDL 1056

Black is high , Blue is med. , red is low

Posted on Feb 19, 2009

pierre1811
  • 144 Answers

SOURCE: I have Bryant HRV and the motor has failed.

Wire nut and tape the blue and red wires they are not used.

Posted on Mar 06, 2009

meBNme
  • 334 Answers

SOURCE: I have a Trane XE1200

OK, locate the terminals on the capacitor marked "HERM"(Compressor lead), "FAN", and "COM".(common)

HERM and COM remian as they are.

The wire going to "FAN" (usually brown) will be placed on either terminal of the new capacitor. (This is the ((usually brown)) wire comming off of the fan motor.) An additional wire needs to be run from the other terminal of the new capacitor to the "COM" on the old capacior.

What you are doing is bypassing the fan side of the old capacitor but still using the compressor side of the old Cap.

The fan should have a wiring diagram on it to help identify the wires if there is no brown wire. The other two wires will be identified on the wiring diagram as well, but one typically goes to the contactor and the other to the board.

Posted on Sep 07, 2009

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