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Old 05-06-2013, 02:14 PM   #1
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Generator for AC

Since summer is coming, I thought I would post this since it may help someone else.

We have a Surveyor Select 264 with one 13,500 BTU AC unit. We wanted a generator to power the AC and also charge our two batteries when we wilderness camp.
We need battery power to run the fridge.

Looking at all of the generators, we decided on a Yamaha 2400 because of the following reasons.
1. The Yamaha web site says this model will power most 13,500 BTU RV air conditioners.
2. The generator is fairly light weight, only 75 Lbs. dry.
3. The generator is quiet, only 53 to 60 dBA.

Well brand new camper, brand new generator and NO AC.
Ya the generator will not run the AC.

Installed a SUPCO SPP SUPER BOOST AC hard start kit. Cost about $10, took less than 30 minutes to install.
Now I have AC.

This may also work if you are trying to run your AC with a 2000 watt generator.
I know some people that do.

GeoFish
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Old 05-07-2013, 10:53 AM   #2
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Thanks GeoFish! I sent your suggeston to my husband. Hopefully it will work. We only have a 2000 W. For $10.00, it doesn't hurt to try.
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Old 05-07-2013, 11:06 AM   #3
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This helps tremendously as well.

air conditioner for generator mod
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Old 05-07-2013, 11:37 AM   #4
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Quote:
Originally Posted by Geofish View Post
Since summer is coming, I thought I would post this since it may help someone else.

We have a Surveyor Select 264 with one 13,500 BTU AC unit. We wanted a generator to power the AC and also charge our two batteries when we wilderness camp.
We need battery power to run the fridge.

Looking at all of the generators, we decided on a Yamaha 2400 because of the following reasons.
1. The Yamaha web site says this model will power most 13,500 BTU RV air conditioners.
2. The generator is fairly light weight, only 75 Lbs. dry.
3. The generator is quiet, only 53 to 60 dBA.

Well brand new camper, brand new generator and NO AC.
Ya the generator will not run the AC.

Installed a SUPCO SPP SUPER BOOST AC hard start kit. Cost about $10, took less than 30 minutes to install.
Now I have AC.

This may also work if you are trying to run your AC with a 2000 watt generator.
I know some people that do.

GeoFish
I have the same quiet generator but have not tried it on the AC yet. I suspect that I will have the same problem. What is the part # & where did you get it for $10? I found one from Granger for $16.72 SUPCO Hard Start Kit, AC Compressor - Cooling Equipment Relays - 4E239|SPP5 - Grainger Industrial Supply but it may not be the right one.
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Old 05-07-2013, 11:45 AM   #5
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Originally Posted by f1100turbo View Post
This helps tremendously as well.

air conditioner for generator mod
I'm still alittle confused. Should we disregard everything until post 14?

Also to restate what I was told by Suppco, the correct Hard Start Cap is the SPP6. No need for the (E) version.
If you have an existing Start Cap you replace it. If you only have a Run Cap you "piggyback" the new "start cap" to the "run cap".
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Old 05-07-2013, 12:09 PM   #6
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Originally Posted by bob213 View Post

I'm still alittle confused. Should we disregard everything until post 14?

Also to restate what I was told by Suppco, the correct Hard Start Cap is the SPP6. No need for the (E) version.
If you have an existing Start Cap you replace it. If you only have a Run Cap you "piggyback" the new "start cap" to the "run cap".
Yes bob start with post 14.
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Old 05-08-2013, 08:01 AM   #7
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I got mine from CC Dickson, I think I paid around $10.00, my company has an account with them and I pay wholesale.

This was last year, it may have been the SPP6 or SPP5, I phoned Suppco before I purchased and used the one they recommended.
I suggest that you call them to be sure.
If you have an existing start capacitor, you will need to replace it.
Most manufactures of AC units, including the one in your house, do not use start capacitors anymore because of first cost.
I doubt that you RV AC unit has one.

PS: A new AC unit may be a little hard to start until it is broken in. After a few hours (about 72 hours of total run time), the compressor parts loosen up and you may not need this kit.


GeoFish
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Old 05-08-2013, 09:44 AM   #8
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Thanks much.

Right now it is too cool to even try the AC. If it is OK with you, I might come back with some picture on what I need to do to add one.

The SPP6 ($26.75) has 500 increased torque while the SPP5 ($16.72) has 300 according to the Granger web site.
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Old 05-27-2013, 11:19 PM   #9
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Where does this get installed, at the battery or the ac unit? Btw these postings are incredibly helpful. Also will running the ac unit on 2000 or2400 watts decrease the effectivness of the unit?
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Old 05-27-2013, 11:43 PM   #10
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Originally Posted by rmm2435 View Post
Where does this get installed, at the battery or the ac unit? Btw these postings are incredibly helpful. Also will running the ac unit on 2000 or2400 watts decrease the effectivness of the unit?
it's intalled on the a/c. and a 2000w generator will probably not run a 13.5k a/c, even with the hard start cap kit.
you'll need a minimum of 2400w generator and that won't work for some.
if you've got a 15k a/c, you'll need 3000w minimum, generally.
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