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• • • December 2008 Section 3 Design Page 3-5 • Amerex Restaurant Fire Suppression System (EX 4658) • PLENUM PROTECTION ��` NOTE:An Amerex KP &ZD Kitchen Fire Suppression System have the same listed • criteria for the protection of the Duct and Plenum. 1 • PLENUM PROTECTION LIMITATIONS - SINGLE FLOW POINT NOZZLE (P/N 11982) • The Amerex Appliance, Plenum Nozzle (P/N 11982) is capable of protecting plenums up to 10 feet(3.048m) • long with either a single inclined filter bank or a "V" bank filter arrangement The filter height cannot exceed • 24 inches (60.96 cm). Each plenum nozzle uses one flow point The nozzle must be positioned 4 inches • (10.16) maximum from the end wall of the hood, aimed horizontally and positioned down 1/3 the vertical filter height from the top of the filter. The width of a"V" bank filter arrangement is limited to a maximum of 48" (122 • cm). • SINGLE BANK PROTECTION 48 IN. • CENTERED BETWEEN TOP OF MAX. • FILTER AND SIDE WALL OF HOOD OF THE VERTICAL ' s/2- 2—^ r HEIGHT DOWN FROM • ! THIE TOP OF FILTER i • -?-41- i VERTICAL HEIGHT • VERTICAL HEIGHT • �j —1/3 VERTICAL HEIGHT Q } I DOWN FROM THE TOP • i OF THE FILTER& CENTERED IN THE"V'BANK • ,------, *I' A NO 0) • '4 Pl i 24,b• �' • • • Z \ \ i • \ \ \ za�� • ti Fl 01- \ NOZZLE TO BE LOCATED 0-4" • \b�p�" FROM THE END WALL CENTERED IN THE"V"BANK • \ .Y • PLENUM PROTECTION — MULTIPLE NOZZLES • 10 FT, • Plenums exceeding 10 feet (3.048 m) in length may be (3.05m) protected by using multiple plenum nozzles. Each nozzle must 10 FT. I'(3.05m) • be protecting an area of no more than 10 feet in length. • Nozzles may be positioned facing each other or facing the �r same direction as long as the entire plenum area is being I , • covered. Nozzles may not face in opposite directions from a • common tee. \ \/2 \ I • ' ., ‘ `