HOW AHU'S CAN SAVE YOU TIME, STRESS, AND MONEY.

This is generally an electrical heater. When the skin air receives to all around 6*c (42.8F) the heater will come on and heat the air up to protect the parts within from frost. Otherwise This may freeze the heating and cooling coils within and burst them.When in recirculation method, the primary inlet and outlet dampers will not fully shut In this