USED: Advantage model NC7.5A-41HF air co... USED: Advantage model NC7.5A-41HF air cooled chiller rated at 7.5 tonscooling capacity. Unit uses 15 pounds of R22 refrigerant. Temperaturerange 20-60 deg F. Rated at 100 psi. Manufactured 3/17/84. 460 volt,3 phase, 60 cycle. and the product is still available, |