There are actually 7 sizes. Each is seperated by their model number.
If my calculations are correct, each model number actually shows the BTU. For instance my model is a PH12NA048-8 Since they seperated them on the sheet by the last 2 digits, mine being a 48, if that corresponds to a BTU number, that would place mine at 48000 or 4 ton.
The last model is a 60, again if we follow that logic, that would be a 5 ton unit. (Models: 18 - 1.5ton, 24 - 2 ton, 30 - 2.5 ton, 36 - 3 ton).
And as I type this I am looking thru the sheet... for once in my life... I AM CORRECT !!! hurray !!! It is a 4 ton. TC=48,000
Thanks DonL your the best !!!
If my calculations are correct, each model number actually shows the BTU. For instance my model is a PH12NA048-8 Since they seperated them on the sheet by the last 2 digits, mine being a 48, if that corresponds to a BTU number, that would place mine at 48000 or 4 ton.
The last model is a 60, again if we follow that logic, that would be a 5 ton unit. (Models: 18 - 1.5ton, 24 - 2 ton, 30 - 2.5 ton, 36 - 3 ton).
And as I type this I am looking thru the sheet... for once in my life... I AM CORRECT !!! hurray !!! It is a 4 ton. TC=48,000
Thanks DonL your the best !!!