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unit I ag: VAC-1 (8/0 #64074) <br />Unit Specifications <br />ORDER NUMBER: 55046 <br />GENERAL NOTES <br />- Unit is rated at 0 feet above sea level_ <br />- input Power: 460 Volts /60 Hertz / 3 Phase <br />- Unit to be constructed for outdoor use and curb mounting by others, <br />UNIT CASING <br />- Double wall construction consisting of 18 gauge galvannealed steer casing with 0.063" thick aluminium liner. <br />- Casing to be coated with corrosion resistant polyurethane primer plus polyester finish coat on exterior. <br />- Heavy 16 gauge all-welded aluminized steel interior floor with two coats of air-dried phenolic paint. - 20, 1.5 pound density NFPA approved fiberglass insulation in roof and wails. - 1" minimum sprayed urethane foam insulation under floor. <br />STRUCTURAL AND FRAME <br />- Frame consisting of an all-welded structural steel base and integral lifting lugs_ Frame to <br />be coated with an alkyd resin primer and two coats of a corrosion resistant acrylic latex, <br />ENERGY RECOVERY SECTION <br />- Seven row heat pipe heat exchanger constructed of galvannealed housing and aluminum tubes. <br />- Tubes shall consist of hermetically sealed 1 inch aluminum with integral internal circumferential wicking and external fins formed by an extrusion process. <br />- Tubes shall be charged with R-22 refrigerant. <br />- Heat pipe casing to be coated with air-dried phenolic paint, <br />FANS <br />- AMCA certified belt-driven airfoil plenum supply fan with air-dried phenolic coating. <br />- Belt-driven forward curved DWDI exhaust fan with epoxy coating_ <br />- Far assemblies to be mounted on 1" deflection, seismic-spring isolation base. <br />- Premium efficiency TEFC motors with 1.15 service factor_ <br />- 1.5 MHP fixed pitch sheaves on motors and fans. DAMPERS <br />- Two position motorized exhaust air damper. <br />- Modulating motorized recirculation and face and bypass air dampers. <br />- Manually adjustable gas heat bypass air damper with locking quadrant. <br />FILTERS <br />- Supply side consisting of nine (9) 20"x 20" x 2" 30% pleated filters. <br />- Exhaust side consisting of eight (8) 20" x 24" x 2" 30% pleated filters. <br />- Each filter bank to be provided with mini-helic filter gage [switch, COILS <br />- Casing constructed from double flanged galvanized steel. <br />- Aluminum fins die-formed and mounted to round seamless copper tubes. - Cooling coil to be coated for corrosion protection. <br />GAS HEAT <br />- 400 MBH input indirect type with stainless steel heat exchanger and modulating (20:1) control. <br />- Gas heater requires Natural Gas at a inlet pressure range of 7 to 14 in WC. <br />CONDENSING SECTION <br />- 50 ton air-cooled with scroll compressors and aluminum fin / copper tube condenser Coils. <br />MISCELLANEOUS <br />- Factory mounted DDC controls, programmed per included control sequence. <br />- Exhaust fan motor provided with VFD with bypass for space pressure control, <br />- Unit to be wired and labeled per ETL guidelines (UL 1995). <br />Y( DES CHAMPS <br />TECMNOtOG fES <br />Submittal 55046 Woodbridge Rev - Page 3ô1 21