From inside (document excerpt):
25HNA6 InfinityTM 16 Series Heat Pump with Puronr Refrigerant 2 To 5 Nominal Tons (Sizes 24 60) Product Data INDUSTRY LEADING FEATURES / BENEFITS Energy Efficiency S 15-16.6 SEER/11.1-12.6 EER/8.4-9.1 HSPF (Nom) New Aesthetic Design S WeatherArmor Ultrat Baked- powder paint -on Steel louver coil guard Color matched cabinet screws Extra-Quiet Operation S Silencert System II for sound as low as 70 dBA Quiet mount split post compressor grommets Quiet external Silencer muffler Exclusive Silencer Top design 8 Pole PSC ball-bearing outdoor condenser fan motor Forward-swept condenser fan blade Compressor sound hood Laminated steel compressor mounting plate S Quiet Shift Defrost Reliability, Quality and Toughness the environmentally sound refrigerant Carrier heat pumps with Puronr refrigerant provide a collection of features unmatched by any other family of equipment.
The 25HNA has been designed utilizing Carrier’s Puron r 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. S S Two-stage reciprocating compressor Field-installed 16 cu. in. filter drier Back-seating service valves High-pressure switch Loss- -charge switch -ofInternal pressure-relief valve Internal thermal overload Long-line accessory connections Suction-line accumulator Vapor fog eliminator Ideal Defrost Controls and Diagnostics S Infinityt Control or Thermostat S Utility Interface Connection S Up to 83 point diagnostic capability with Infinityt Control 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 0_F/-17.8_C) with complete Infinityt system. MODEL NUMBER NOMENCLATURE 1 N 2 Product Series 25 = HP 2 N 5 3 A H Product Family H = RES HP 4 A N Tier n= infinity Series 5 A/N A Major Series A = Puron 6 N 6 SEER 6=16 SEER 7 N 3 8 N 6 9 A/N A Variations A = Standard 10 A/N 0 Open 0=Not Defined 11 A/N 0 Open 0=Not Defined 12 N 3 Voltage 3=208/230 1 13 N 0 Minor Series 0, 1, 2. Cooling Capacity ISO 9001:2000 the environmentally sound refrigerant REGISTERED 25HNA6 This product has been designed and manufactured to meet Energy StarĀ® criteria for energy efficiency when matched with appropriate coil components. However, proper refrigerant charge and proper air flow are critical to achieve rated capacity and efficiency. Installation of this product should follow all manufacturing refrigerant charging and air flow instructions.