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GUIDE SPECIFICATIONS AIR—COOLED,SPLIT—SYSTEM AIR CONDITIONER <br /> 126B <br /> GENERAL 1-1/2 TO 5 NOMINAL TONS <br /> System Description Fans <br /> Outdoor—mounted, air—cooled,split—system air conditioner unit — Condenser fan will be direct—drive propeller type, <br /> suitable for ground or rooftop installation. Unit consists of a discharging air upward. <br /> hermetic compressor, an air—cooled coil, propeller—type — Condenser fan motors will be totally enclosed,1—phase <br /> condenser fan, and a control box. Unit will discharge supply air type with class B insulation and permanently lubricated <br /> upward as shown on contract drawings. Unit will be used in a bearings.Shafts will be corrosion resistant. <br /> refrigeration circuit to match up to a packaged fan coil or coil — Fan blades will be statically and dynamically balanced. <br /> unit. <br /> Quality Assurance — Condenser fan openings will be equipped with coated <br /> steel wire safety guards. <br /> — Unit will be rated in accordance with the latest edition Compressor <br /> of AHRI Standard 210. <br /> — Compressor will be hermetically sealed. <br /> — Unit will be certified for capacity and efficiency, and <br /> listed in the latest AHRI directory. — Compressor will be mounted on rubber vibration <br /> isolators. <br /> — Unit construction will comply with latest edition of <br /> ANSI/ASHRAE and with NEC. Condenser Coil <br /> — Unit will be constructed in accordance with UL — Condenser coil will be air cooled. <br /> standards and will carry the UL label of approval.Unit — Coil will be constructed of aluminum fins mechanically <br /> will have c—UL—us approval. bonded to copper tubes which are then cleaned, <br /> — Unit cabinet will be capable of withstanding Federal dehydrated,and sealed. <br /> Test Method Standard No. 141 (Method 6061)500—hr Refrigeration Components <br /> salt spray test. — Refrigeration circuit components will include <br /> — Air—cooled condenser coils will be leak tested at 150 liquid—line shutoff valve with sweat connections, <br /> psig and pressure tested at 450 psig. vapor—line shutoff valve with sweat connections, <br /> — Unit constructed in IS09001 approved facility. system charge of Puron (R-410A) refrigerant, and <br /> Delivery,Storage,and Handling compressor oil. <br /> Unit will be shipped as single package only and is <br /> Unit will be equipped with high—pressure switch,low <br /> — pressure switch and filter drier for Puron refrigerant. <br /> stored and handled per unit manufacturer's <br /> recommendations. Operating Characteristics <br /> Warranty(for inclusion by specifying engineer) — The capacity of the unit will meet or exceed <br /> Btuh at a suction temperature of °F/°C. The <br /> U.S.and Canada only. power consumption at full load will not exceed <br /> PRODUCTS kW <br /> Equipment — Combination of the unit and the evaporator or fan coil <br /> unit will have a total net cooling capacity of <br /> Factory assembled,single piece,air—cooled air conditioner unit. Btuh or greater at conditions of CFM entering <br /> Contained within the unit enclosure is all factory wiring,piping, <br /> controls,compressor,refrigerant charge Puron air temperature at the evaporator at 'F/'C wet <br /> (R-410A), and bulb and t the dry bulb, and air entering the <br /> special features required prior to field start—up. unit at °F/°C. <br /> Unit Cabinet — The system will have a SEER of Btuh/watt or <br /> Unit cabinet will be constructed of galvanized steel, greater at DOE conditions. <br /> bonderized,and coated with a powder coat paint. Electrical Requirements <br /> — Nominal unit electrical characteristics will be v, <br /> single phase, 60 hz. The unit will be capable of <br /> satisfactory operation within voltage limits of v <br /> to V. <br /> — Unit electrical power will be single point connection. <br /> — Control circuit will be 24v. <br /> Special Features <br /> Refer to section of this literature identifying accessories <br /> and descriptions for specific features and available <br /> enhancements. <br /> 19 <br />