The YSC, a light commercial rooftop unit, is available in 3-5-ton sizes and 36-60 Mbtuh cooling capacity. The single-stage unit offers an efficiency of 15 SEER. Features include ReliaTel microprocessor controls with colored wiring; a scroll compressor; single-speed, high-efficiency indoor fan motor; and easy-to-adjust ID fan idler mechanism for quick belt tensioning. According to the manufacturer, the rooftop unit has superior dehumidification capabilities with selections down to 200 cfm per nominal ton. The unit is available with voltages of 208-230/1-ph, 208-230/3-ph, 460/3-ph. It comes with a 5-year compressor, 5-year standard gas heat exchanger, and 10-year stainless steel heat exchanger warranty.

American Standard, Tyler, TX 75707; www.americanstandard.com

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