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  1. #1
    Join Date
    Jun 2007
    Location
    Central, FL
    Posts
    871

    Thumbs up 460V 1PH condenser fan motor ????

    Today we got a call from the local circuit city, they had one system tripping on high head pressure (they can monitor/diagnose this from there head quaters) My tech pulls out the burned condenser fan motor condenser fan motor is a 460V single phase motor. Is there anything out there like this after market or do I have to contact Lennox? I really would not want to go threw Lennox unless its absolutly neccesary to do so? Thanx guys
    WARNING:IF YOU DON'T KNOW THEN DON'T DO, SO THOSE WHO KNOW WHAT YOU DIDN'T KNOW DON'T END UP UNDOING WHAT YOU DID SO IT COULD GET DONE RIGHT!

  2. #2
    Join Date
    Apr 2004
    Posts
    423
    Quote Originally Posted by AcDOCnTRAINIG View Post
    Today we got a call from the local circuit city, they had one system tripping on high head pressure (they can monitor/diagnose this from there head quaters) My tech pulls out the burned condenser fan motor condenser fan motor is a 460V single phase motor. Is there anything out there like this after market or do I have to contact Lennox? I really would not want to go threw Lennox unless its absolutly neccesary to do so? Thanx guys
    I think graingers might have some you can order If I remember correctly.

  3. #3
    Join Date
    Jan 2008
    Location
    Hells Kitchen, Phoenix Arizona
    Posts
    318
    most suppliers in Arizona(not that you are in Arizona) carry 460v single phase motors...they are fairly common...
    "Overkill is an often underrated achievement", Will Hayden -- Red Jacket Firearms

  4. #4
    Join Date
    Feb 2008
    Location
    Jacksonville FL
    Posts
    1
    1 hp not 1ph...has to be 3 ph

  5. #5
    Join Date
    Apr 2004
    Posts
    423
    Quote Originally Posted by rambonole View Post
    1 hp not 1ph...has to be 3 ph
    wrong answer He does mean single phase!

  6. #6
    Join Date
    Jan 2005
    Location
    Denver, Colorado
    Posts
    306
    I don't even bother trying to find an after market motor for Lennox anymore. I tell the customer that it's OEM only and to expect to pay big $$ for it. Too many times I've matched up an aftermarket motor that would overheat, over amp, whatever. Easier to just suck it up and pay the $$. Tell the customer not to buy Lennox equipment next time.

    PS...I wouldn't even wish a Lennox on my ex-wife.
    Leadership...the ability to move forward even when you've burned your foot.

  7. #7
    Join Date
    Oct 2007
    Location
    ontario
    Posts
    92
    yah just what hvaccolo said.

  8. #8
    Join Date
    Mar 2004
    Location
    Illinois
    Posts
    6,959
    I believe Circuit City buys there equipment (Lennox) on a national basis...to suggest they buy different is going to be a lesson in futility.

  9. #9
    Join Date
    May 2002
    Location
    NYC
    Posts
    147
    Yea I worked on a few 460v 3ph rooftop units with single phase condenser fan motors. If seen a few. I dont think it would be a problem for you to get one. Make sure u get the new cap for it too.
    Local 638

    Currently

  10. #10
    Join Date
    Jan 2008
    Location
    Hells Kitchen, Phoenix Arizona
    Posts
    318
    Anything less then 1 horsepower is generally going to be single phase I would imagine...that small of a three phase motor is a waste, unless its dual-voltage...
    "Overkill is an often underrated achievement", Will Hayden -- Red Jacket Firearms

  11. #11
    Join Date
    Jun 2001
    Location
    Greeneville, Tennessee
    Posts
    344

    Rain Shield

    Carrier and Trane both have a 1ph 460 volt motor. I have replaced that same Lennox motor.

    Yes, make sure you replace the capacitor and also the Rain Shield, if it has one existing!

    Some of these motors have a certain frame size that will indicate shaft size!

    Some have 1/2" shaft some have 5/8" shaft.

    Johnstone Supply is pretty good with OEM replacements. They can UPS, if you pay by credit card, should you not have a account. http://www.johnstonesupply.com/corp/Default.aspx

    AO Smith used to make a motor that included a rain shield, that was very dependable and versatile, with a 5/8" shaft, but you had to remove the electrical pecker head on some installs.

  12. #12
    Join Date
    Jun 2007
    Location
    Central, FL
    Posts
    871

    Thumbs up Lennox It Is! S**t

    Thanx guys I went with Lennox I had no choice the rain shield was damanged on the old motor & the modem on another unit went bad so I had no choice Lennox it was, you guys were not kidding it was VERY EXPENSIVE PARTS NOT $000.00 expensive I mean $0000.00 our cost. We ordered an extra motor to keep here in the shop,but they are gonna sign a maintance agreement for three local stores so its all GRAVY
    WARNING:IF YOU DON'T KNOW THEN DON'T DO, SO THOSE WHO KNOW WHAT YOU DIDN'T KNOW DON'T END UP UNDOING WHAT YOU DID SO IT COULD GET DONE RIGHT!

  13. #13
    Join Date
    Jun 2001
    Location
    Greeneville, Tennessee
    Posts
    344

    AO Smith FC1106

    Glad to here about your success!

    Here is a link to the AO Smith Motor I like to stock as it can fit quite a bit of applications.
    http://www.emotorpro.com/index.asp?P...OD&ProdID=3228

    They also offer a 1/2" shaft version, but I think the horsepower drops to 3/4 HP, if I remember correctly. They also have a 1.5 HP that will drop in most larger Trane Voyagers, that have the 1 Ph 460Volt. You will notice the AO Smith can be used in 208/230 or 460V applications. You have the option to wire it per your application. I like the attached rain shield.

    I know the OEM motors sometimes are very pricey and some seem to fail way to soon for the price!

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