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DUCT HORIZONTAL PROTECTION — OPTION 1 <br /> �- � <br /> PROTECTION 1 N NOZZLE — PART NO. 419335 — SINGLE BANK PROTEC- <br /> TION <br /> One 1 N nozzle will protect 10 linear feet (3.1 m) of single filter bank <br /> plenum. The nozzle(s) must be mounted in the plenum, 2 to 4 in. <br /> 2-8 IN. (5 to 10 cm) from the face of the filter, centered between the filter <br /> (51 —203 MM) height dimension, and aimed down the length. The nozzle must be <br /> t positioned 0-6 in. (0-15 cm) from the end of the hood to the tip of the <br /> FIGURE 4-1 nozzle. See Figure 9. <br /> .z <br /> 2. In installations where a UL listed damper assembly is w <br /> employed, the duct nozzle can be installed beyond the 8 Ii 2-4 IN. 10 FT. (3.1 m) <br /> in. (203 mm) maximum, to a point just beyond the damper MAXIMUM <br /> assembly that will not interfere with the damper. Exceeding f5- 10 cmj <br /> the maximum of 8 in. (203 mm) in this way will not void the <br /> UL listing of the system. ' <br /> 3. Previously listed three flow number and five flow number <br /> duct protection detailed in earlier published manual (Part No. <br /> 418087-06) can also still be utilized. ----- <br /> DUCT SIZES UP TO 50 IN. (1270 mm) <br /> PERIMETER/ 16 IN. (406 mm) DIAMETER <br /> One 1 W nozzle = one flow number <br /> 50 in. (1270 mm) perimeter maximum \\ <br /> 16 in. (406 mm) diameter maximum <br /> DUCT SIZES UP TO 100 IN. (2540 mm) <br /> PERIMETER/ 32 IN. (812 mm) DIAMETER <br /> One 2W nozzle = two flow numbers <br /> 100 in. (2540 mm) perimeter maximum <br /> 32 in. (812 mm) diameter maximum <br /> The chart below shows the maximum protection available from <br /> each duct nozzle. PYE <br /> 3.0 Gallon 1 .5 Gallon BARKER <br /> Description System System F+ae s sn Fern.esr leas <br /> 2W Nozzle Maximum Maximum LUNA MEXICAN RESTAURANT <br /> 100 in. (2540 mm) 100 in. (2540 mm) 6600 EVERGREEN WAY <br /> Perimeter Perimeter <br /> 1 W Nozzle Maximum Maximum EVERETT, WA 98203 <br /> 50 in. (1270 mm) 50 in. (1270 mm) 735 E. FAIRHAVEN AVE. SIZE owe NO owe REV <br /> Perimeter Perimeter BURLINGTON, WA 98233 KITCHEN FIRE SYSTEM I <br /> (360) 755-5444 SCALE N/A 11/17/2023 SHEET 5 OF 11 <br />