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From inside (document excerpt):
25HCS3 ComforttSeries 13 R 22 Heat Pump Sizes 18 to 60 1 1/2 to 5 Nominal tons Product Data INDUSTRY LEADING FEATURES / BENEFITS Efficiency S 13 SEER/ 10.8 — 11.0 EER / 8.0 — 8.4 HSPF (nominal) S Microtube Technologyt refrigeration system S Indoor air quality accessories available Sound S Sound level as low as 70 dBA S Compressor sound blanket Comfort S System supports Thermidistatt or standard thermostat controls 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. Reliability S Front–seating service valves S Scroll compressor S Internal pressure relief valve S Internal thermal overload S High pressure switch S Loss of charge pressure switch S Filter drier S Balanced refrigeration system for maximum reliability Durability WeatherArmort protection package: S Solid, Durable sheet metal construction S Steel louver coil guard S Color matched ceramic coated cabinet screws S Baked–on, complete coverage, powder paint 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 60 ft. (18.29 m) evaporator above condenser (See Longline Guide for more information.) S Low ambient (down to -20_F/-28.9_C)) with accessory kit Warranty S 10 year limited compressor warranty S 5 year limited parts warranty MODEL NUMBER NOMENCLATURE 1 N 2 2 N 5 3 A H Product Family H = RES HP 4 A C Tier C=Comfort 5 A/N S Major Series S = R 22 6 N 3 SEER 3=13 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. Product Series 25 = HP Cooling Capacity ISO 9001:2000 REGISTERED 25HCS3 This product has been designed and manufactured to meet Energy Star® 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. Failure to confirm proper charge and air flow may reduce energy efficiency and shorten equipment life. STANDARD FEATURES Feature 13 SEER Scroll Compressor Louvered Coil Guard Field Installed Filter Drier Front Seating Service Valves Internal Pressure Relief Valve Internal Thermal Overload Long Line capability Low Ambient capability with Kit High Pressure Switch Loss of Charge Pressure Switch