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Old 08-21-2020, 09:49 AM   #1
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How many tons would you guess this Central AC Unit is? Outdoor portable generator


How many tons do you think this AC Unit is?

I ask because I need to know what minimum wattage would power this and my
entire house as far as what portable generator I would need.

I am eyeing this 17500w Generac outdoor generator.

https://www.generac.com/all-products...eries/gp17500e

Thoughts?

BTW the Central Air Unit is the following dimensions: 36 inches H x 36 inches D x 35 inches W
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Old 08-21-2020, 10:11 AM   #2
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Re: How many tons would you guess this Central AC Unit is? Outdoor portable generator


4 ton
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Old 08-21-2020, 10:22 AM   #3
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Re: How many tons would you guess this Central AC Unit is? Outdoor portable generator


Too bad you can't see the max circuit amps, but I'll bet you could find that in a manual online or something.

Using the minimum amps of 26A @ 240v you're at 6,240 watts. So that's minimum. Not sure how that relates to recommended loading of generators, but there's at least a ballpark idea of what kind of power you need.

Of course the best option is to measure the current when it's working hard and just see.
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Old 08-21-2020, 10:30 AM   #4
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Re: How many tons would you guess this Central AC Unit is? Outdoor portable generator


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Originally Posted by user_12345a View Post
4 ton
Based on the model number, I agree, 4 tons. The 48 in the model number means 48000 BTUs. 12000 BTUs per ton

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Old 08-21-2020, 11:03 AM   #5
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Re: How many tons would you guess this Central AC Unit is? Outdoor portable generator


Quote:
Using the minimum amps of 26A @ 240v you're at 6,240 watts. So that's minimum. Not sure how that relates to recommended loading of generators, but there's at least a ballpark idea of what kind of power you need.
Generator needs to be able to handle the max starting amps which can be 4 to 6 times running current.

doesn't necessarily mean it needs to be able to handle over 100 amps continuous, but it needs to be able to handle that kind of current momentarily.
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