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i � � � • � C. Provide A-frame cooling coil with copper tubes, and aluminum fins with a maximum of 12 fins/inch. Test coils at 320 psig air , pressure under warm water. Mount coil assembly in a condensate � drain pan coated with a UL-listed rust preventative polymer � coating, minimum 3/16" thick. � D. Provide heavy duty, low watt density electric reheat coils with , fintube construction. Provide UL-listed safety switches for the ; reheat coil. i i E. Condenser shall be remote-mounted, air-cooled type with direct- i driven propeller fans, and copper tube-aluminum fin coil mounted ; in a weatherproof, heavy metal enclosure with baked enamel finish. F. Include infra-red humidifier utilizing high intensity quartz lamps � mounted above stainless steel evaporator pan. Arrange pan to be serviceable without disconnecting water lines, drain lines or � electrical connections. Provide liquid level control and emergency overflow. Use distilled condensate from cooling coil as primary � water supply and use bypass air over humidifier. Provide � '� automatic flushing system for pan. � I � � G. Filters shall be integral part of system and shall have ASHRAE � efficiencies shown on drawings when tested in accordance with ASHR.AE standard 52-76. Pressure drops across filters are internal � losses. �' � H. Control System: j 1. Provide solid-state control system with start-stop button, manual reset circuit breakers, solid-state temperature and humidity conirol modules with adjustable set points. 2. Provide contacts for remote alarm of the following: i i a. Air flow loss. i b. Filter pressure drop too high. c. Return air temperature too high. I d. Return air humidity too high. I • PART 3I-EXECUTION � I � i ICT 991�84 i 15764 - 3