We received a plan review comment for a residential generator we recently designed. The comment is as follows:
"Generator load must meet 2008 NEC art. 702.5 (B)(2)b. In case of an ATS the generator the generator must be able to carry the connected load, not a depreciated calculation".
I use the residential optional load calculation. I am more than sure he thinks that this section of the NEC does not allow any diversity to be used when sizing a residential generator.
The load on the house according to the residential load calculation is about 85KW (its a big house). The generator has been sized as a 90KW. The load on the house BEFORE diversity is 177KW. So according to this guy, the only way to put this house on a generator is to have a 177KW generator.
Does he know something that I don't?
"Generator load must meet 2008 NEC art. 702.5 (B)(2)b. In case of an ATS the generator the generator must be able to carry the connected load, not a depreciated calculation".
I use the residential optional load calculation. I am more than sure he thinks that this section of the NEC does not allow any diversity to be used when sizing a residential generator.
The load on the house according to the residential load calculation is about 85KW (its a big house). The generator has been sized as a 90KW. The load on the house BEFORE diversity is 177KW. So according to this guy, the only way to put this house on a generator is to have a 177KW generator.
Does he know something that I don't?