Aaon units

[The Juice]

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.

[ryan1088]

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......

[Tommy knocker]

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.

[duke of earl]

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?

[mark beiser]

have my own handheld programming tool which is a necessity.

This.

[timebuilder]

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.

[joeblo]

I am really pleased with Orion tech support, the Aaon units them selves, not so much.

[duke of earl]

Hey Timebuilder you should get one anyway and go after some more Aaon jobs. They will keep you busy I promise.

[timebuilder]

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.

[hvacman2213]

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.

[beenthere]

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.

Those step valves aren't real easy to braze in the way they're mounted at the side of the unit.

[Akkarek]

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.

[hvac wiz 79]

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

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