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Author Topic: Driver A/C  (Read 2203 times)
Kwajdiver
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« on: January 17, 2013, 03:17:32 PM »

Long ago I removed the "over the road" A/C from the bus .

Now I'm interested in installing a driver A/C.  Has anyone done this?  What did you use? How did you go about it?

Thanks for the input.

Bill W.
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Auburndale, Florida
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V-6-92 Detroit, Allison 5 spd auto
Kwajalein Atoll, RMI
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« Reply #1 on: January 17, 2013, 06:11:17 PM »

How about a mini-spilt above your entrance doorway?
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Dr. Steve, San Juan del Río, Querétaro, Mexico, North America, Planet Earth, Milky Way.
1981 Dina Olímpico (Flxible Flxliner clone), 6V92TA Detroit Diesel
Rockwell model RM135A 9-speed manual tranny.
Jake brakes
100 miles North West of Mexico City, Mexico. 6,800 feet altitude.
Kwajdiver
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« Reply #2 on: January 17, 2013, 06:32:23 PM »

Not bad,,,, can you give me more information, model type?

Thanks,

Bill W
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Auburndale, Florida
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« Reply #3 on: January 17, 2013, 07:43:40 PM »

You need to decide if you want something engine powered or electrically powered by your generator running going down the road.  A mini split will require electrical power.

You can add an automotive type compressor to your engine along with a condenser and evaporator for driver's A/C, but you will have spent a fair bit of money for something that only works when the main engine is running.  Dan Hard and Red Dot are two sources for the parts.  The hardest part of the install might be running the hoses front to back.
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Brian Elfert - 1995 Dina Viaggio 1000 Series 60/B500 - 75% done but usable - Minneapolis, MN
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« Reply #4 on: January 17, 2013, 09:14:38 PM »

I had no where to mount an air conditioning compressor on my engine (Vdrive). That's why I have a third roof top near the front aimed at me going down the road. Granted you have to run the generator while driving, but with a 12v dash fan, I'm a happy cool camper. Good Luck, TomC
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Tom & Donna Christman. '77 AMGeneral 10240B; 8V-71TATAIC V730.
RJ
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« Reply #5 on: January 17, 2013, 11:44:19 PM »

Bill -

Does the coach still have the OEM defroster equipment under the dash, as well as the feed/return lines to the engine compartment?

If so, relatively easy to hook up a small automotive compressor off the engine, along with a condensor, and simply re-use the OEM HVAC unit under the dash.  That will give you a nice OTR dash air setup.

If not, then you've got more of a challenge.  Welch Industries outside Atlanta GA is really good at this type of thing.

FWIW & HTH. . .

 Wink
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RJ Long
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« Reply #6 on: January 18, 2013, 05:48:41 AM »

Not bad,,,, can you give me more information, model type?

Thanks,

Bill W

Mr. Bill:

My bus build thread has all the details of our two a/c mini-splits. Ours also have heating strips installed. They peak at 980 watts maximum, so can easily be run off of the house battery bank through the inverter, when running down the road. See here:

http://www.busconversions.com/bbs/index.php?topic=22081.0

I do believe it would be a lot cheaper for you, than an engine-powered unit, plus it will also work when you are parked. There are quite a few of us on these awesome boards that have used mini-splits of various brands.

I wish you success, my friend!
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Dr. Steve, San Juan del Río, Querétaro, Mexico, North America, Planet Earth, Milky Way.
1981 Dina Olímpico (Flxible Flxliner clone), 6V92TA Detroit Diesel
Rockwell model RM135A 9-speed manual tranny.
Jake brakes
100 miles North West of Mexico City, Mexico. 6,800 feet altitude.
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« Reply #7 on: January 18, 2013, 07:18:23 AM »

For a driver-area only system, we have been installing a self powered (2 cylinder diesel) heat/cool system like they use in sleepers on truck-tractors.

The unit we install most has a 6500 watt generator also, which powers the basic needs of the vehicle while traveling down the road. (not roof-top units)

This system can be used when driving solo, when the rest of the vehicle does not need to be cooled, saving fuel by not running the larger, main generator.

It uses about one gallon of fuel in about 3 - 4 hours, and can be left running when the vehicle is stopped. It is quiet, and efficient.

Easily fits in the corner of a bay, or can be adapted to fit under the entry steps with the addition of a 12 volt radiator fan to move the air while sitting.

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Kwajdiver
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« Reply #8 on: January 18, 2013, 02:52:52 PM »

Mex, thank you, going to look at your site.

PCC, is there a website I can look this over?

Thanks,

Bill
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Auburndale, Florida
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« Reply #9 on: January 18, 2013, 04:37:55 PM »

Bill, I will get the details (am on the road) and PM you.
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For some, patience is a virtue.
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Thank God - He is always patient.
Chas
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« Reply #10 on: January 18, 2013, 07:00:38 PM »

PCC - could you please send me the web site info. also? Thank You

Chas
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wg4t50
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« Reply #11 on: January 18, 2013, 07:28:02 PM »

All kinds of ways to work this out, for me, I just simply used the 2 roof A/C units, ran the diesel genset non stop 24/7, the fuel burn was simply .38 gal per hour year round average, with air or heat, house refrig or what ever, 10 gal a day at max. Know figuring 5 days on a 55 gal tank was very safe. I used seperate systems for everything, coach, genset and house, nothing interconnected, that wayif the main engine failed, I could stay comfy, if the genset died, I could run for motel/repair.
 For me not worth playing a second unit or even trying to use a belt driven compressor on engine.
Just do what makes you the happiest.
Dave M
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MCI7 20+ Yrs
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« Reply #12 on: January 18, 2013, 08:14:28 PM »

The unit we recommend is at the following web page:
http://www.rigmasterpower.com/downloads/RigMaster_MTS-T4-6_Generator-Model.pdf

It provides 20,000 BTU (almost 2 ton) of cooling and 13,500 BTU of heat.
The generator produces 40 AMP of power, completely separate from the heat/cool.

For more information, please talk with PCC@ServingProject.org.
Proceeds benefit Serving Project, Inc. - Serving those who have served.
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For some, patience is a virtue.
Dealing with me, it is required.
Thank God - He is always patient.
RJ
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« Reply #13 on: January 19, 2013, 01:24:19 AM »

Hey, whaddayaknow. . . RigMaster's HQ is in Buswarrior's neck of the woods - Etobicoke, ON!

A proper report should be forthcoming from the Frozen North!

Eh?

 Wink
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RJ Long
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« Reply #14 on: January 19, 2013, 02:45:17 AM »

Over the years, there have been many outfits that have built these units, I hope the RigMaster is here to stay.  Onan was an early mfgr, no longer making them. See quite a few on tractors with the Thermo King name plate these days.
AS long as the Perkins/Cat engine hold up, that should be a good unit.  My fear is the little diesel could be running at a very high RPM, meaning a much shorter life, be best if it runs at the 1800 rpm area, but would guess it is closer to 3,000 RPM or lil more.
FWIW
Dave M
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MCI7 20+ Yrs
Foretravel w/ISM500
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