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Old 06-28-2013, 05:44 PM   #1
Bus Nut
Join Date: Jun 2013
Location: Southern Maine
Posts: 337
Trans Air units

I have a couple trans air after market units installed in my bus and was thinking that as they run off DC I could probably hook them up to an inverter or battery bank and run them as house AC.... Looking for opinions both for and against this idea.
Rear air handler, front is the same but a bit smaller.
The condensers are skirt mounted under the bus between driver seat and rear wheels. There is nothing connecting these to the engine other than a couple wires to each.
I looked them up and I think they are 31 amps @13.5vdc for the condensers and the upper units should be around 10 amps @13.5vdc. I have not spent a ton of time on AC as I always thought I would just get a window unit... but these are there and work REALLY well...what do you all think? Is this even possible?

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Old 06-28-2013, 07:59 PM   #2
Bus Crazy
Join Date: Feb 2012
Location: Salt Lake City Utah
Posts: 1,635
Year: 2000
Chassis: Blue Bird
Engine: ISC 8.3
Re: Trans Air units

That's not much power.. surely there must be a compressor driven by the engine?
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Old 06-28-2013, 08:17 PM   #3
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Join Date: Jun 2013
Location: West Lafayette, IN
Posts: 832
Year: 1999
Coachwork: Thomas
Engine: 3126
Rated Cap: 72
Re: Trans Air units

Most of the Trans air have motor driven compressors. I was looking into them, but hard to use when the engine is not running.

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Old 06-28-2013, 08:50 PM   #4
Join Date: Dec 2009
Location: Galt, CA
Posts: 27
Year: 1998
Coachwork: El Dorado Escort FE
Chassis: Chevrolet P30
Engine: 454 Chevrolet
Rated Cap: 20
Re: Trans Air units

I have that unit in the back of my bus and it does have an engine driven compressor. I had had thought about powering with AC/DC it until I found that out as well
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