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Old 07-16-2012, 09:42 PM   #1
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Coleman to Carrier air conditioner

I have a few questions about changing out a rooftop air conditioner. I have a 83 Coleman TSR air conditioning unit that is starting to make a bearing noise in the motor. I would like to change it and have seen A/C units on ebay from FEMA. These are Carrier units and they are no longer made but I would be very happy with 4/5 years of service from a unit.
I have seen they make kits to change from Coleman to Carrier, has anyone every used one and are they easy to install? Should I stay away from the FEMA units?
Any thoughts are greatly appreciated.
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Old 07-16-2012, 10:08 PM   #2
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Motor is very easy to change on the Coleman.
If it is still putting out cold air. motor is a lot cheaper then a new AC.
Check coleman motor | eBay
around $150 for one.

You can find you fan part number here http://www.rvcomfort.com/rvp/tech_info/
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Old 07-17-2012, 07:08 AM   #3
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There are problems even getting parts for the Carrier units. Carrier abandoned the market.

ken
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Old 07-17-2012, 11:41 AM   #4
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I had to replace the blower motor on my Carrier.. Daewoo motors (OEM) are nearly as expensive as a new A/C. the alternative I put in about half the price installed, and less if you do all the work yourself.

If it is a blower I'd replace it, not the whole unit, as the other poster said very easy to do.

You need not use an OEM motor either.. Just like I put in an alternative on my Carrier V.
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Old 07-18-2012, 12:18 PM   #5
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Thanks everyone, being a novice with this I tried to find a replacement motor through a number of places and was told that nothing would be suitable. The unit is still cooling very well but it's quite noisy at times. What I don't want to do is order the wrong thing and be stuck with a motor I have no use for.
I have all the numbers from the unit so maybe someone here can clue me in to what I may need. I will also be making some calls.

The unit is manufactured by RMR corp. Model N416 CCW 73 115v 2.8/ 2.2 amps. Continuous for duty 6759/311
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Old 07-18-2012, 12:23 PM   #6
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Pull it of and take it to a motor shop or Grainger.
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Old 07-18-2012, 03:31 PM   #7
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I would but it's 4000 degrees and it's still working. Anyway I have taken pictures and shown the faceplate so maybe one of the companies I wrote to can match me up.
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Old 07-19-2012, 01:40 AM   #8
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I went up top today and removed the shroud oiled the motor, quieter, and took pictures and copied the face plate.
The plate says RMR corp, type N Model N416 CCW, 115v, 2.8/2.2 amps 60HZ capsize 7.5MFD 370vac, continuous fan duty, coleman 6759/311 KA, thermally protected LR 16209, thermally protected E28 G35 7am
I also measured the fan to motor and the shaft is 4 inches. The other shaft runs through a door on the other side and measures 3 1/4 inches.
Most of this is greek and I'm hoping someone here can decipher what I need.
RV Air Conditioner Motors
I have included a link to what I think might work, Thanks for all your help.
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Old 07-19-2012, 08:02 AM   #9
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Originally Posted by TXiceman View Post
There are problems even getting parts for the Carrier units. Carrier abandoned the market.

ken
I recall... Years ago.. My mother (who worked for a company that had abandoned one product line) explaining that they had to carry parts for a period of years after the last unit was sold. (As it turns out we had one of those last units).

I wonder how Coleman got around that law.. Supposed to have been a federal law.. but I guess it is ignored now days like so many other consumer protection things.
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Old 07-19-2012, 08:25 AM   #10
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Quote:
Originally Posted by easywind View Post
I have a few questions about changing out a rooftop air conditioner. I have a 83 Coleman TSR air conditioning unit that is starting to make a bearing noise in the motor. I would like to change it and have seen A/C units on ebay from FEMA. These are Carrier units and they are no longer made but I would be very happy with 4/5 years of service from a unit.
I have seen they make kits to change from Coleman to Carrier, has anyone every used one and are they easy to install? Should I stay away from the FEMA units?
Any thoughts are greatly appreciated.
Is this bearing noise a squeal or a knocking noise? Dirt daubers love to make nests in fans on AC's. This will throw the fan out of balance and cause a rattling noise.
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Old 07-24-2012, 03:31 PM   #11
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Yesterday I found a motor shop that basically deals with tradesmen and does not advertise on the net. I called explained the problem to a nice young lady and she knew exactly what I needed. Said to pull the motor and bring it in and they would either have one or rebuild mine.
Drove the 50 or so miles and sure enough they had a replica motor with the same color wires and they were nice enough to say I should also buy a new capacitor.
Installed it in 3 hours with lots of breaks, very hot and humid. A/C now runs like new and I still have the r12 in the unit, even on low with the thermostat dialed all the way down the trailer stays cold.
Everyone thanks for your help and suggestions.
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