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R , <br /> Chapter 3—System Design <br /> Pa <br /> REV.3 <br /> d. Piping Requirements: (Continued) %%i* <br /> ► ,-- . <br /> .Note:All listed piping diagrams represent maximum number �,% NO <br /> ZZLE <br /> ZZLE <br /> of nozzles allowed. In applications that do not require the F` 9. '. <br /> maximum number of nozzles, the quantity of nozzles can be ► R t Ji.:---;-..� <br /> reduced. <br /> In applications of this type, along with the already listed lira- Height <br /> .�,,r <br /> itations (notes included with each maximum layout), the fol- <br /> lowing limitations apply: �% <br /> • On the reduced nozzle side of the piping layout, the %' <br /> r'{� <br /> largest listed size pipe on the standard configuration lay- %� <br /> out must be utilized from T1 to nozzle. .••'>., <br /> • The maximum length of the reduced nozzle side must be %rr <br /> the original combination from Ti to T2, and T2 to nozzle. SI de i Side E <br /> Note: In systems utilizing a T3 split, the maximum length <br /> of the reduced nozzle side must be the original combina- <br /> tion from T1 to T2,T2 to T3, and T3 to nozzle. Figure 3-2. Sidewall Nozzle Location <br /> 0028861PC <br /> • The maximum number of elbows must be the original <br /> combination from T1 to T2, and T2 to nozzle. Note: In Note: See Design Chart for allowable offset of nozzles from <br /> systems utilizing a T3 split, the maximum number of center of each hazard area. <br /> elbows must be the original combination from T1 to T2,T2 <br /> 0- to T3, and T3 to nozzle. \ <br /> r <br /> 12 FT. <br /> e. Nozzle Placement: NV-SW <br /> MAX.(PER <br /> 6N� NOZZLE NOZZLE <br /> The nozzle is to be mounted in the center (See Note) of the 6IN. LEVEL) <br /> protected area, with the discharge holes in the nozzle no <br /> greater than six (6) inches from the ceiling. For ductPlacemen411110 t: NOZthe nozzle is to be mounted in the center.See Figure trip <br /> 3-1. 12 FT <br /> MAX. <br /> el r f ., <br /> 1 <br /> i 9. <br /> ` <br /> r <br /> i 1 � <br /> 1 `. 12 FT. <br /> rrrr f •' MAX. <br /> Fes. r1 <br /> ``.�` ..0. 008075 006075 <br /> .` <br /> .rrr Figure 3-2a. <br /> t <br /> Height I f. Duct Nozzle Placement: <br /> %r%4%`, 1.The maximum duct perimeter is 12 ft. (3.7 m).See Figure <br /> `•.,_ 3-2b. Note: Longest side of a square or rectangular duct <br /> cannot exceed 36 in. (91 cm). <br /> ‹. rrr ROU.,ND DUCT SQUARE/RECTANGULAR DUCT <br /> '9. <br /> r <br /> .` rr. <br /> .` rr <br /> Side 1 ``.� r%` Side 2 Q <br /> o`P <br /> f 1, <br /> Figure 3-1. Nozzle Location <br /> 002866aPC <br /> For sidewall application, the nozzle is to be mounted no 46 IN.(117 cm) PERIMETER=TOTAL OF <br /> MAXIMUM 4 SIDES <br /> greater than six (6) inches from both the ceiling and wall <br /> (see Note) with the arrow pointing towards the center of the0. Figure003133-2b. <br /> 0 <br /> protected area.See Figure 3-2. <br /> ULEX 3437 CEx732 cEl <br /> September 1, 2006 O <br />