AKSC:60 gi > Simple design, duct connection type! Optimized design for external environment If Approved technology with 30 years experience in the Market! Already Heat pump 5-Ton 480V~60Hz 3Ph Airfare heat pump operate in air temperatures from 85%o 13°F for cool mods ang 50%0 81°F for Heat model. These heat pump utilize Eco-friendy 410A refrigerant Anorexia heat pump may require a fresh air supply for proper operation. Includes removable, washable air filters Tor easy maintenance.