Condensor units

[Les Fischer]

I am designing an independent living facility.

1. 7 units @ 13a = 91a
2. 18 units @ 21a =378a
3. 8 units @ 25a = 200a
Total 669a

Is there a derating factor for this ?????

Les

 

[brantmacga]

use the heat, not the ac.