24,000 btu
A standard ton of refrigeration is 12,000 BTU/h (3517 W). There for a 2 ton unit is a 24,000 BTU/h unit and a 3 ton unit is a 36,000 BTU/h unit.
10 AC
The 030 in the Model number refers to the BTU Rating. So it is a 30,000 BTU unit. There are 12,000 BTU per ton so that is a 2 1/2 Ton Condenser.
24000 btu
That is a 2 1/2 ton unit. One ton of A/C = 12000 btu. The 30 in the model number refers to 30000 btu.
2 1/2 Ton (30,000 BTU)
Air Conditioning: 1 Ton = 12000 BTU
It is a 2 1/2 ton. There are 12,000 BTU per ton of cooling. The 30 in the model tells you the tonnage. which is 30,000 BTU.
That is a 3 1/2 ton unit. one ton of A/C = 12000 btu. The 42 in the model number refers to 42000 btu.
It is a 1-1/2 ton: 18000 BTU (unit size)/12,000 BTU (per ton)=1.5
24000 BTU = 2 Ton.