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  1. #1
    Join Date
    Jan 2006
    Posts
    140

    Aaons Package units

    These dam things seem to always cause bs service orders. They are connected to a service light panel for all who operate within the building to see. Alarms-Seen compressor failer in the mid to upper twenties, fan failure when the fan is still in operation, and blocked filter when the filters are still new. Anyone know of any correlation between the panel and the unit?
    The only decision in life is to decide what to do with the time given to you

  2. #2
    Join Date
    Jan 2006
    Posts
    140
    did I mention they were junk?
    The only decision in life is to decide what to do with the time given to you

  3. #3
    Join Date
    Dec 2001
    Location
    Southern Tier, NY
    Posts
    6,066
    ya didn't need to ....

    fortunately, thier nice 'n easy to work on

  4. #4
    Join Date
    Nov 2005
    Posts
    576
    They really are a pleasure to work on, very nicely laid out for service work. I do very little bending and lifting on those babies well at least on the AK Models.

    But carry lots of the same spare parts.

  5. #5
    Join Date
    Dec 2006
    Location
    Middle Tennessee
    Posts
    11,347
    sounds like the airflow switch needs adjustment!



    .

  6. #6
    Join Date
    Feb 2007
    Posts
    534
    Anyone have the manual for a 40 ton RTU AAON ???

  7. #7
    Join Date
    Dec 2001
    Location
    Southern Tier, NY
    Posts
    6,066
    Wattmaster ..??

  8. #8
    Join Date
    Oct 2006
    Posts
    7
    Quote Originally Posted by HVACJOEK View Post
    Anyone have the manual for a 40 ton RTU AAON ???
    Here are some pdf manuals. The RN series is 26-70 tons.
    http://www.climatec.com/nm/rtus.htm

  9. #9
    Join Date
    Mar 2007
    Posts
    3,108
    Most of the Aaons I've had anything to do with have been new RTU and Split machines 50 tons and under. They seem to be well suited to 100% outside air applications with their high latent load capabilities, large recievers/condensers, and fans that are able to sustain high-ish statics with relatively minimal currents.

    They are a dream to work on, too, if you were to ask me... I used to get them quite frequently, but lately, I can't seem to be able to keep myself away from 12 year old, hideously overcontrolled, SF driven Lennox Epic junkers.

    I <3 Aaon

  10. #10
    Join Date
    Mar 2007
    Location
    Dallas
    Posts
    11

    Aaon RTU's

    Well as a general rule, the Aaon equipment I deal with is new and usually with standalone controls (Wattmaster) which honestly I would own one myself.

    Just FYI I am not a saleman I am a Tech. If you have problems with safety trips on anytype of equipment there is a reason, whether it be a control or design issue.

  11. #11
    Join Date
    Dec 2002
    Location
    Titusville Florida
    Posts
    337
    sounds like your pressure switches need set up correctly, This should have been done with your factory start up.But maybe the building owner never recived a factory startup.

  12. #12
    Join Date
    Aug 2006
    Posts
    2,599
    I had an Aaon that did the same thing, was a real puzzle. Someone switched the pressure switches tubing around, I guess as a joke. Also I love working on Aaon equipment, best RTU made IMO.

  13. #13
    Join Date
    Oct 2006
    Location
    Central Texas
    Posts
    633
    Aaon units are something else. I've worked on very little of their equipment. I don't know what the thing is called, is it Wattmaster? That sounds familiar. Anyways you can plug a service tool into the micro and diagnose your problem. Sorry, I can't recollect the name of this device, but it saved me (& the unit-from me) once.
    Sic Semper Tyrannis.

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