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Old 05-28-2013, 04:51 AM   #11
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I bought a Champion 3500 watt generator for $299 brand new with electric remote start, removable wheels and handle, has a 30 amp RV outlet, 2 each 115 volt outlets, and 12 volt DC output, the 2 @ 115 outlets can be used at the same time as the 30 amp RV one's is being used. 5 gallon tank, runs like for 12 hours. at 65 decibels. Sure it's a little louder, but at a what 1/5 the cost, with more electrical output, electric remote start. over twice the fuel capacity. To answer the the OP's question, at 3500 watts it can easily power a single A/C and charge batteries.
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Old 05-28-2013, 06:58 AM   #12
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The Delay Relay is a wonder indeed.

Very easy mod and will allow air conditioner use in times of high demand at older campgrounds where the ability to serve up amps is limited without killing the supplied voltage.

My 15K air conditioner will draw 28 amps for about 5 seconds during start up and then drop to about 14.5 amps when running. (This is normal for a 15K AC - a 13.5K runs at 12.5 amps I am told.)

Last July, this was a problem at our favorite Gettysburg campground when the voltage at our site would drop too low to turn over the compressor at that amperage. With this mod, the peak start amps drop to 17 volts for 4 seconds for the compressor alone, then drops to 8 amps for the delay, then to about 19 amps when the blower starts, then down to its running amperage of 14.5 amps.

Low voltage and air conditioning
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Old 05-28-2013, 10:49 AM   #13
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Originally Posted by f1100turbo View Post
This helps tremendously as well.

air conditioner for generator mod
Turbs,
I think I've figured out that you are delaying the inside blower fan.

I had thought that this mod was delaying the condenser fan in the outside unit. You couldn't do it but for a few seconds, but wouldn't that bring down the amperage a lot more?
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Old 05-28-2013, 10:54 AM   #14
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Originally Posted by BarryD0706 View Post

Turbs,
I think I've figured out that you are delaying the inside blower fan.

I had thought that this mod was delaying the condenser fan in the outside unit. You couldn't do it but for a few seconds, but wouldn't that bring down the amperage a lot more?
Yes I am cutting out the interior blower fan.
Compresser starts and gets up and running "about 8 seconds" then the blower fan kicks on.

I'll check amperage tonight as I can now with my ems.

I'll update tonight.
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Old 05-28-2013, 10:55 AM   #15
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Turbs,


but wouldn't that bring down the amperage a lot more?
Yes it probably would.
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Old 05-28-2013, 01:10 PM   #16
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How about the Dometic Smart Start. I've seen it on marine forums. Looks like it only draws 18 amps on startup. That combined with a fan delay would make for a happy genny.
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Old 05-28-2013, 01:24 PM   #17
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How about the Dometic Smart Start. I've seen it on marine forums. Looks like it only draws 18 amps on startup. That combined with a fan delay would make for a happy genny.
SmartStart Reduces Startup Surge - Dometic



Smartstart Yacht Air Conditioning 32A 115V 60 Hz Dometic 5K 18K Btus | eBay

Seems a bit pricey to me. Much cheaper alternatives, IMO.
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Old 05-28-2013, 01:30 PM   #18
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Yeah not cheap.
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Old 05-28-2013, 01:32 PM   #19
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My spp6 fits nicely in the same box as the start cap.

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Old 05-28-2013, 02:06 PM   #20
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My spp6 fits nicely in the same box as the start cap.
I did this mod before the delay relay, it did not reduce the start up load near enough for my needs and the demand of the Coleman Mach 3 15K.
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