... 5*2.5,positioned in equilatral triangle.2.Extermal rotor fan for low temperature,with low noise,hith effciency,and reliablitity.3 ... defrosting effect.6.Double drainage receivers,avoiding water freezing.7.Fan motor and electric heater has been connected to the ... terminal box,convinent for wire connection.8.Optimized coil design,resulting evenly refrigerant over ...