The drawing should be on the inside of one of the cabinet covers or control box cover.
4 ton
3.5
3 1/2 ton
No
you have a (2) two ton system, tonnage is done in 12's ie......12 is 1 ton, 18 is 1 1/2 tons and so on.
3 1/2 ton
5 ton 10 seers
i am guessing 1 ton
30,000 BTU/hr or 2 1/2 tons
1 tone = 1540 Watts=1.540 KW. whereas 1 KW=1.25 KVA. I think you have got the answer.
Tonnage is usually a multiple of twelve, so 5 Ton, 12000 BTU = 1 ton of cooling