Champion 200 Amp ATS

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McLintock

McLintock

Senior Member
Location
USA
Occupation
Electrician
Just had a ice storm up here in NW WI. Lady call and said her generator turned on and is running but the ATS do not transfer over. I just manually switch it over right now and show her husband how to switch it back.

Another EC installed generator 3 years ago and she said the ATS has never worked like it’s supposed to, she has had the installer out several times and does not want him back as he’s replaced the broad on it 2 times and now will not return her calls.

Have never worked on or even been around a champion generator, any help would be appreciated.

Model# arm20208r

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If that is utility coming in the bottom and connecting on the bottom and load connecting on the left side utility and load are connected backwards. According to the manual i found on the internet utility hooks on the bottom, generator on the right and load on the left. But I really cant see that being wrong. Things would go boom.
But i also only see 1 full size neutral.
Can you get several more pictures?
to see the manual just search the part number you posted.
 
hillbilly1 said:
That is one funky transferswitch! It appears the whole backplate moves up and down using a motor driven cam, in turn turning the individual breakers off and on?
Click to expand...
Its like a large scale interlock kit you would put on a home panel. When i first seen it I wondered if it really was an ATS.
 
hillbilly1 said:
That is one funky transferswitch! It appears the whole backplate moves up and down using a motor driven cam, in turn turning the individual breakers off and on?
Click to expand...

Yeah something like that, my first thought was the switch itself is bad.

It’s something I did not investigate that much because of knee high snow and rain/ice mix, the generator and ATS are on opposite sides of the house. So just trying to get some ideas of what to look for when I go back out there


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qcroanoke said:
If that is utility coming in the bottom and connecting on the bottom and load connecting on the left side utility and load are connected backwards. According to the manual i found on the internet utility hooks on the bottom, generator on the right and load on the left. But I really cant see that being wrong. Things would go boom.
But i also only see 1 full size neutral.
Can you get several more pictures?
to see the manual just search the part number you posted.
Click to expand...
On the one I found, it shows utility on the left, load on the bottom. Even if they screwed that up, it would only work on utility, and the op said he was able to manually switch to generator. If it was backwards, the generator would only feed back to the utility, no power would go to the house.
 
qcroanoke said:
And when utility came back on the generator would not like it.
Click to expand...
Troubleshot one that was a manual 2000 amp, every time they tested it, it would trip the 2000 amp breaker, they had it hooked to a one meg portable! Brand new gear, they had the load and utility swapped. They thought the breaker was bad. But it wasn’t……LOL!
 
hillbilly1 said:
That is one funky transferswitch! It appears the whole backplate moves up and down using a motor driven cam, in turn turning the individual breakers off and on?
Click to expand...
Notice how the generator switch has down being the on position and up being off position. May be listed? but certainly not too conventional especially if this were intended to also be manually operable?
 
kwired said:
Notice how the generator switch has down being the on position and up being off position. May be listed? but certainly not too conventional especially if this were intended to also be manually operable?
Click to expand...
They have a sticker on there not to be manually activated, the thing with it being automatic, is what if on of the handles break, and stays on. Surely they have it electrically interlocked too. Since it’s part of a manufactured assembly, the NEC handle requirement would probably not apply.
 
hillbilly1 said:
Troubleshot one that was a manual 2000 amp, every time they tested it, it would trip the 2000 amp breaker, they had it hooked to a one meg portable! Brand new gear, they had the load and utility swapped. They thought the breaker was bad. But it wasn’t……LOL!
Click to expand...
Wow, just wow......
They didnt even look at it hard enough to see that?
Or was it that hard to tell it?
 
qcroanoke said:
Wow, just wow......
They didnt even look at it hard enough to see that?
Or was it that hard to tell it?
Click to expand...
The foreman said it wasn’t marked, and I didn’t see any marking either, but I could tell from the bussing how it should have been hooked up. I have the feeling he stubbed up in the wrong locations, and figured out he screwed up, removed the labeling to cover his butt. I can’t believe the manufacturer wouldn’t label it. Picked the gear up, and moved it over 3’ to get the pipes correct, and re-piped the utility side. The manufacturer said the section the utility was turned up in was not service rated.
 
hillbilly1 said:
The foreman said it wasn’t marked, and I didn’t see any marking either, but I could tell from the bussing how it should have been hooked up. I have the feeling he stubbed up in the wrong locations, and figured out he screwed up, removed the labeling to cover his butt. I can’t believe the manufacturer wouldn’t label it. Picked the gear up, and moved it over 3’ to get the pipes correct, and re-piped the utility side. The manufacturer said the section the utility was turned up in was not service rated.
Click to expand...
2000 amp MTS should have marking and a manual with it.
Or at least I would think so......
 
qcroanoke said:
2000 amp MTS should have marking and a manual with it.
Or at least I would think so......
Click to expand...
You would think! He claimed it wasn’t on the cut sheet either when he installed the underground. It was a freestanding 3R. I think he just screwed up, because the load was to the right, transformer center, generator breaker to the left. The gear was actually generator left, load center and transformer to the right. He would needed to cross the load under the utility to get to the center section. Very expensive mistake. Had to run the store on generator for a month while moving everything to fix. Didn’t take that long to re-do, but the customer would not schedule the shutdown and reconnect quickly because they were getting free power for a month. PM was not happy at all!
 
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