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� SECTl�N IV — �YSTEM DESIGN UL EX.3470 ULC CEx747 Page 4-'i ` 4-1-Q6 REV.6 � SYSTEM DE5IGIV GENERAL tNFORMATE4N The ANSU� R-102 Restaurant Fire Suppression System ay be 1.Nozzles must be located 2-8 in.(5-20 cm)into the center of the used on a number of diiferent types o# res#aurant cooking�appli- duct operting,discharging up.See Figure 1. ances and hood and duct configurations.The design infor ation - � listed in this section dea(s with the limitations and parame�ers ofi / ; this pre-eagineered system.-ihose individuals responsible#ar the �� ' design of the R-102 system must be trained and hold a current ,.-�� I ANSUL certificaie in an R-102 training pcogram. i The R-102 and#he PIF2ANFiA systems use compatibfe agen�s and components, therefore, they may be used together for cooking I apAliance, hood, and duct pro#ec#ian. The primary A�hlSllL � ' AUTC?MAN Retease can be either an R-102 ar a PIRj4NHA ANSUL AUTOMAN Release and can actuate up to two additional ��:� R-102 or FtRA�VHA Regu[a#ed Actuafors. tn systems utilizing a � 101 remote rel�ase, any cambination af the ma�cimum nu �ber of • regulated ac#uatb'r's can be used. 2-a iN. (s—2o cm} �- � Bofh systems must actuate simultaneausiy. • Each system must be designed and installed,per its=ap�ropri- FIGURE 1 ate manual. �,n • Adjacent appliances requiring protection must be protected 2•�n installations where a UL listed damper assembly is with the same type of system, either R-102 or PlRANHA, employed, the duct nozzle can be insfalled beyond the 8 in. unless the center-to-center spacing beiween the ac�jacent {20 cm} ma�cimum,to a paint just beyond the ciamper assem- R-102 and PIRANHA nozzles is no less than 36 inches� bly that will not interfere with the damper.Exceeding the maxi- � When appliances ate pro#ected wifh Fi-3f}2 t�ozzles,th hood ��m of 8 in.�20 cm} in this way will not void the UL listing of and connecting duct above those appfiances cannot be pro- the system. tected with PIRANHA nozzles. 3.Previously listed 3 flow number and 5 flow number duct pro- � Mixirrg systems in a eommon plenum is not allowed. tection detailed in earlier published manual, Part No.4'1808T- One ot the key elsments far restaurant fire protection is a¢orrect 06,can also stiff by utilized. i � system design.This section is divided into ten sub-section�:Noz- DUCT SI�ES lJP TQ 5Q!N.{127 cm� ' zle Placement Requirements,Tank Quantity Requirements Actu- PERIMEfER/16 IN.(41 cm) DIAMETER ation and Expellant Gas Line Rec�uirements, Distributic�n IPiping Requirements, [�etection System Ftequirements,Manua{Pull Sta- '* One 1 W nazzle(Part No.419336}-one#iow number tion Requirements, Mechanical Gas Valve Requiremen#s, Electri- . 50 in.(127 cm)perimeter maximum cal Gas Valve Requirements,Electrica!Switch Requiremen�s,and Pressure Switch Requirements. Each of these sections must be • 16 in.(4i cm}diarneter maximum completed before attempting any installation. System �tlesign sketches should be made of aq aspecks of dssign for rsf�rence DUC7 SIZES UP TQ 1fl(}!N.{254 cm) during instailation. PERIMETEW 32 IN.(81.3 cm}D(AMETER N4Z�LE FLACEMEN"C REQUiREMEM'S • Qne 2W Nozzie(Part No.439337)-two flaw numbers This section gives guidelines for nozzle rype, positionin , and • 100 in.(254 cm)perimeter maximum quantity for duct,plenum,and individua!app(iance prateciion.This • 32 in.{81.3 cm}diameter ma�cimum section must be campleted before determining tank quantity and , A 2WH nozzle (Part No. 78078) must be substituted for a 2W piping requireme�ts. nozzle for any installa#ion using Qption 2 of the 1.5 gallan sys- Duct Protec�ion-Singie No�te' tem coverage(duct and pienum protec#ion on{y}.A 2WH nozzfe AI!duct protecti4n is UL listed wi.#tsaut{imitaGon of maximu �uGt is Iimited to a maximum pf 75 in.{190 cm)perimeter or a maxi- � �tum diameier a#24 in_{61 cm}of coverage. length {ur►{imited lengtn}_This inc(udes ali varieties af drsctwarks both horizon#al and vertical including ducts that run at an� les to fifie chart below shows the maximum protectian available fram the horizonta!and ducts with directionai bends. each duct nozzle_ The R-102 system uses different duct nozzles depending on the Part 3.0 Gallon 1.5 Gallon size af duct being protected. bescription No. System System � ' 2W Nozzle 419337 Maximum Maximum i 100 in.(254 cm) 100 in.(254 cm) Perimefer Perimeter ► 1 W Nazzle 419336 Maximum Maximum � 54':n.(127'cm} 5Q in.{127 cm) Rerimeter Perimeter � � I