From inside (document excerpt):
25HPA5 Performancet 15 Series Heat Pump with Puronr Refrigerant 1 1/2 to 5 Nominal Tons (Sizes 18 to 60) Product Data INDUSTRY LEADING FEATURES / BENEFITS ENERGY EFFICIENCY S 15 SEER/11.5 EER/8 HSPF (Nominal) NEW AESTHETIC DESIGN S WeatherArmor Ultrat S Baked–on powder paint S Steel louver coil guard S Color matched cabinet screws EXTRA QUIET OPERATION S Silencer System IIt for sound as low as 69 dBA Quiet mount split post compressor grommets External silencer muffler Exclusive Silencer top design 8 Pole PSC ball-bearing condenser fan motor Forward-swept condenser fan blade Compressor blanket Quiet shift defrost the environmentally sound refrigerant Carrier’s heat pumps with Puronr refrigerant provide a collection of features unmatched by any other family of equipment.
The 25HPA has been designed utilizing Carrier’s Puron refrigerant. The environmentally sound refrigerant allows consumers to make a responsible decision in the protection of the earth’s ozone layer. As an Energy Starr Partner, Carrier Corporation has determined that this product meets the Energy Starr guidelines for energy efficiency. Refer to the combination ratings in the Product Data for system combinations that meet Energy Starr guidelines. NOTE: Ratings contained in this document are subject to change at any time. Always refer to the AHRI directory (www.ahridirectory.org) for the most up- -date ratings -toinformation. LIMITED WARRANTY S Standard 10–year limited warranty on the compressor S Standard 5–year limited warranty on all parts RELIABILITY AND QUALITY S Scroll compressor S Field–installed 16 cu. in. filter drier S Back–seating service valves S High–pressure switch S Loss–of–charge switch S Internal pressure–relief valve S Internal thermal overload S Suction line accumulator S Vapor fog eliminator CONTROLS AND DIAGNOSTICS S Infinityt Control compatible S On–board Carrier diagnostics S Up to 14 point diagnostic capability S Long line accessory connections APPLICATIONS S Long–line — up to 250 feet (76.20 m) total equivalent length, up to 200 feet (60.96 m) condenser above evaporator, or up to 80 ft. (24.38 m) evaporator above condenser (See Longline Guide for more information.) S Low ambient (down to -20_F/-28.9_C) with accessory kit MODEL NUMBER NOMENCLATURE