Doubtful your moving 400CFM per ton for you 4 ton unit.
So, you'll have low airflow for a 5 ton.
Probably end up freezing up the indoor unit. And wiping out the compressor of the 5 ton.
So, you'll have low airflow for a 5 ton.
Probably end up freezing up the indoor unit. And wiping out the compressor of the 5 ton.