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From inside (document excerpt):
24ACS3C Comfortt 13 Series Coastal Air Conditioner Sizes 18 to 60 1 1/2 to 5 Nominal tons Product Data INDUSTRY LEADING FEATURES / BENEFITS EFFICIENCY S 13–15 SEER / 11–13 EER S Microtube Technologyt refrigeration system S Indoor air quality accessories available SOUND S Sound level as low as 73 dBA S Compressor sound blanket COMFORT S System supports Thermidistatt or standard thermostat controls RELIABILITY S WeatherArmort coil fin corrosion protection S Front–seating service valves S Scroll compressor S Internal pressure relief valve S Internal thermal overload S High and Low pressure switch S Filter drier S Balanced refrigeration system for maximum reliability DURABILITY 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. WeatherArmort protection package: S Solid, durable sheet metal construction S Louvered coil guard 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 MODEL NUMBER NOMENCLATURE 1 N 2 2 N 4 3 A A Product Family A=RES AC 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 C Variations C=Coastal 10 A/N 0 Open 0=Not Defined 11 A/N 0 Open 0=Not Defined 12 N 3 Voltage 3=208/230 1 5=208/230 3 13 N 0 Minor Series 0, 1, 2. Product Series 24=AC Cooling Capacity ISO 9001:2000 REGISTERED 24ACS3C 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 MAXIMUM SEER (with select indoor equipment) Armor Platet Coil Corrosion Protection 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 Low Pressure Switch High Pressure Switch Compressor Sound Blanket PHYSICAL DATA UNIT SIZE SERIES Operating Weight lb (kg) Shipping Weight lb (kg) Compressor Type REFRIGERANT