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CalJ �Aw ' Job Name:Pep Boys#0528 <br /> e Prepared For:Refrigeration Unlimited <br /> HEATING • Aia coN oinoNiNc Unit Tag:YSJ240A4SOM00 <br /> Quantity:1 <br /> General <br /> - Packaged rooftop units cooling, heating capacities, and efficiencies are AHRI Certified within scope of <br /> AHRI Standard 210-240 for 6 to 25 Tons and ANSIZ21.47 and 10 CFR Part 431 pertaining to <br /> Commercial Warm Air Furnaces (all gas heating units). <br /> -Convertible airflow. <br /> -Symbio controls operating range is from 0-125.0 F from factory; if designing for cooling mode <br /> operation below 40.0 F ambient temp, add low ambient kit to assure continuous and reliable operation. <br /> -Factory assembled, internally wired, fully charged with R-410A, and 100 percent run tested to check <br /> cooling operation, fan and blower rotation, and control sequence before leaving the factory. <br /> -Colored and numbered wiring internal to the unit for simplified identification. <br /> -Units cULus listed and labeled, classified in accordance for Central Cooling Air Conditioners. <br /> Casing <br /> -Zinc coated, heavy gauge, galvanized steel. <br /> -Weather resistant pre-painted metal with galvanized substrate. <br /> -Meets ASTM B117, 672 hour salt spray test. <br /> -Removable single side maintenance access panels. <br /> -Lifting handles in maintenance access panels (can be removed and reinstalled by removing fasteners <br /> while providing a water and air tight seal). <br /> -Exposed vertical panels and top covers in the indoor air section insulated with a cleanable foil-faced, <br /> fire-retardant permanent, odorless glass fiber material. <br /> -Base pan shall have no penetrations within the perimeter of the curb other than the raised 1 inch high <br /> downflow supply/return openings to provide an added water integrity precaution, if the condensate <br /> drain backs up. <br /> -Base of the unit insulated with 1/8 inch, foil-faced, closed-cell insulation. <br /> -Unit base provisions for forklift and/or crane lifting on three sides of unit. <br /> Hail Guards <br /> -Provides condenser coil protection. <br /> Microchannel Coils <br /> -Optimal heat transfer performance due to flat, streamlined tubes with small ports, and metallurgical <br /> tube-to-fin bond. <br /> -Reduce system refrigerant charge by up to 50% leading to better compressor reliability. <br /> -Compact all-aluminum microchannel coils reduce the unit weight. <br /> -Recyclable all aluminum coils All aluminium construction minimizes galvanic corrosion. <br /> -Strong aluminum brazed structure provides better fin protection. <br /> -Flat streamlined tubes more dust resistant and easy to clean. <br /> -Coils leak tested at the factory to ensure the pressure integrity. <br /> Compressors <br /> -All units have direct-drive, hermetic, scroll type compressors with centrifugal type oil pumps. <br /> -Suction gas-cooled motor with voltage utilization range of plus or minus 10 percent of unit nameplate <br /> voltage. <br /> -Internal overloads standard with scroll compressors. <br /> -All units have dual compressors. <br /> -Three stages of cooling available on 6 to 17.5 tons units and four stages of cooling available on 20 <br /> and 25 tons units. <br /> Filters <br /> Two inch standard filters shall be factory supplied on all units. <br /> Frostat <br /> -Utilized as a safety device. <br /> -Opens to prevent freezing temperatures on evaporator coil. <br /> -Temperature will need to rise to 50°F before closing. <br /> -Utilized in low airflow or high outside air applications (cooling only). <br /> 2023/12/08 21:55:09 Page 9 of 10 <br />