DLS R454B 18K 230V HP CDUDuctless - Outdoor unit, 37MPRA , Single ZoneInfinity® Mini Split Heat Pump with Basepan HeaterOverviewWhen paired with the 45MPHAQ indoor unit, this system has SEER2 rating up to 35.1 with 30 HSPF2, making it ENERGY STAR® certified. The ultra-efficient 37MPRAQ outdoor unit with a built-in basepan heater offers year-round comfort. Its impressive cooling operating range maintains consistent capacity from -22° F to 122° F. On the other end of the spectrum, the systems high heating capability is exceptional, running 100% to -22° F to 86° F temperature range. No matter the temperature outside, this system can handle the extremes.DOCUMENTS Carrier Infinity Series Ductless Heat Pumps w/ Puron Advance Consumer Brochure 37MPRAQAppareil extérieur monozone sans conduitCapacités 6 000 à 18 000 Instructions d’installation Carrier Infinity Series Ductless Heat Pumps w/ Puron Advance Consumer Brochure (Spanish) SPECIFICATIONS NAME VALUE Refrigerant R454B Suction Line Size 1.8:122