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Thread: Aaon units

  1. #1
    Join Date
    Feb 2011
    Location
    Toronto Ontario
    Posts
    28

    Aaon units

    Hey just wondering what anybody thinks about aaon rooftop units, and what's your experience you have had with them. I just looked at one a few days ago and I found they can be a little tricky if you don't know anything about their wattmaster control.

  2. #2
    Join Date
    Mar 2009
    Location
    Mid-Mo
    Posts
    3,428
    Ya they are ok. You have to learn their quirks and nuances. Once you figure that out then it's just another rtu. Make sure you use OEM condenser fan motors......

  3. #3
    Join Date
    Jul 2012
    Location
    Western KY
    Posts
    1,221
    The controls can be aggravating till you get used to them, like any other. I like the serviceability of them. Put to gather with taking apart in mind.

  4. #4
    Join Date
    Feb 2006
    Location
    SouthEastern Virginia
    Posts
    1,075
    I work on em all the time-have my own handheld programming tool which is a necessity. The makeupair units can be pretty complex when you make them a watersource heatpump with heatwheel, modulating hot gas reheat, and add an airflow measuring station. We can make it even more complex by bacnetting to a Johnson Controls front-end. Any questions?
    It might get loud!

  5. #5
    Join Date
    Nov 2006
    Location
    Southeastern Pa
    Posts
    17,014
    I'm only 5'10 and I have to bend down to look into the control section.

    I found that the Watt Master System is kind of a p.i.t.a.

    I DID find it the Orion technical support was pretty good. With only one site using Aaon units we're not going to get that handheld device.

  6. #6
    Join Date
    Nov 2012
    Location
    PA
    Posts
    47
    I am really pleased with Orion tech support, the Aaon units them selves, not so much.

  7. #7
    Join Date
    Feb 2006
    Location
    SouthEastern Virginia
    Posts
    1,075
    Hey Timebuilder you should get one anyway and go after some more Aaon jobs. They will keep you busy I promise.
    It might get loud!

  8. #8
    Join Date
    Nov 2006
    Location
    Southeastern Pa
    Posts
    17,014
    Quote Originally Posted by duke of earl View Post
    Hey Timebuilder you should get one anyway and go after some more Aaon jobs. They will keep you busy I promise.
    Well, how many sites we get with Aaon units is not my call. Plus, I would have to buy the tool myself.
    [Avatar photo from a Florida training accident. Everyone walked away.]
    2 Tim 3:16-17

    RSES CMS, HVAC Electrical Specialist

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  9. #9
    Join Date
    Sep 2012
    Location
    cape coral FL
    Posts
    40
    i have 4 Aaon rooftops on top of a hotel in Naples. And two of witch have no charge i spent all day Friday looking for leaks. units are 2 year old i put 200psi of nitro and 1lb of 410 as a trace gas after spending 2 hrs looking for the leaks with my crap tech mate leak detector and my psi dropping 5psi. I went out and got a fieldpiece leak detector witch cost me $305 come back and find leaks in my reheat coil valve on both units. After calling around a rebuild kit is $407 my valve $420 i need 2 and 65lb of 410. so this week i strongly dislike Aaon.

  10. #10
    Join Date
    Aug 2004
    Location
    North Richland Hills, Texas
    Posts
    14,914
    Quote Originally Posted by duke of earl View Post
    have my own handheld programming tool which is a necessity.
    This.
    If more government is the answer, then it's a really stupid question.

  11. #11
    Join Date
    Feb 2013
    Location
    Michigan
    Posts
    6
    I think they are the best built and most thought out RTU on the market. I find the very easy to work on and service.

  12. #12
    Join Date
    Feb 2006
    Location
    USA
    Posts
    4,365
    Quote Originally Posted by Akkarek View Post
    I think they are the best built and most thought out RTU on the market. I find the very easy to work on and service.
    That's how I feel about Lennox L series units

    Sent from my SGH-T999 using Tapatalk 2

  13. #13
    Join Date
    Feb 2013
    Location
    Michigan
    Posts
    6
    I would agree they are right up there in design and quality. I don't know if its true but I remember being told that several of the Aaon engineering were recruited by Lennox to create the L series,

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