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SECTION 1V - SYSTEM DESIGN _ UL EX3470 ULC EX3470 Page 4-1 -'- - - _ T-1-09 FiEV.8 SYST�M DESI(�5i1 GENERAL INFORMATION The ANSUL R-102 Restaurant Fire Suppression System may be i.Nozzles must be locate8 2-8 in.(5-2o cm)tnto the cenier ot the used on a number ot difierent_types of rastaurant cooking appli• duct opening,dischargfng up.See Figure 1. ances and hood and duct conllgurations.The deslgn information listed in this section deals wfth the limftations and parameters ot th(s pre-engineered system.Those(ndivlduals responsible for the design of the R-1a2 system musS be tralned and hold a current .�• ANSUL certificate.in.an H-i02 tralning program. The R-i 02 and the PIRANHA systems use cpmpatlbla agents and components, thersfore, they may be used together for cooking �appliance, hood, and duct protection. The primary ANSUI. AUTOMAN Release can be either an R-102 or a PlF1ANNA ANSUL AUTOMAIV Release and can actuate up td two additional -' � R-102 or PIAANF{A Regulated Actuators. ln systems utllizing a 101 remote release,any combination of the ma�dmum number of regulated actuators can be used. 2-siN. • 8oth systems must actuate simultaneously. ls-�`m� t • Each system must be designed and inslalled per its appropri- FIt3URE.1 ate manuai. , �� • Adjacent appliances requiring protection must be protacted 2•1n installatfons where a UL listed damper assembly is with the same type of system, elther R•102 or PIF1AfVHA, employed,ths duct nozzle can be instalted beyond the 8 In. unless the center-to-center spacing betwesn ihe adjacent (20 cm)maximum,to a polnt just beyond the damper assem- ' R-102 and PIRAfVHA nozzles ls no less than 3B In,(81,4 cm). bfy that wilf not fnter(ere wilh the damper.Exceeding the maxi- • When appliances are protected with R-102 nozzles,the hood mum oi 8 fn.(20 cm)in this way wlit not wid the UL Iisting of and connecting duct above those appliances cannot be pra She system. tected with PIRA{VHA nozzles. ' 3.Prevlousiy Ilsted 3 itow number and 6 flow number duct pro- • Mfxing systems in a common plenum ts not ailowed, Sectlan detaAed in earlier published menuel,Part No.418087- One of the key.elements for restauraat tire protecdon Is a correct 06,can also still by utllized. system deslgn.This sectlon ts divided I�to ten sub-secUons:Noz- DUCT S1ZES UP 7Q 60 IN.(127�m) zte Placement Aequirements,Tank Quantity Requirements,Actu- PERIMETER/16 IN.(4i cm)DtAMEfER ation and Expellant Oas Llne Requ[rements, DtstdbuUan Piping Requtrements,Deteotion System Requirements,Manual Puil Ste- � One 1W noute(Part No.419336)�one flow number tion Requ{rements, Mechanical Gas Valve Requtrements,Eleclri- cal Gas Valve Requlrements,Eleotrical Swttch Requirements,and ' 50 in.(i2Z cm)perimeter maximum Preasure Switch Requlrements.Eaoh ot these seclions rnust be • 18 in.(41 cm)diameter maximum completed before attempting any Installation. System design sketches should be msde of aii aspects at design for reference DIJCT SIZES UP TO 100 IN.(254 cm) during installat[on. PERIMETERJ 32 IN.(81.3 cm)D{AMEfER NOZZ�E PLACEMENT FiEQU1REMEN7S • One 2W iVozzte(Part No.419337)-twa flow numbers This sectfon gives guideifnes for noule type, positloning, and • 100 in.(254 cm)perimeter r►Zaximum quaniity for duct,plenum,and indivfdual appllance protection.This section must ba compleied before determining tank quantlty and ' 32!n.(81.3 cm)diameter m�ximum piping requiremenis. The chart belaw shows the maximum protection availabie from each duct noule. Duoi Protectian-Single Nou1e Part 3.0 Qallon i.6 Gailon All duct pratection is Ul.Ifsied without fimitatlon o{maximum duct DescripUon No. S s_ y tem S sty em length {unllmited length}.'T'his tnctudes all varteiles of ductworks - —" both horizontsl and vertical Incfuding ducts that run at angles So 2W Nozzle 419337 Mautmum Maxlmum tha horizontai and ducts with direcUonal bends. ' 100 in.(254 cmj 1Q0 En.(254 cm) The R-102 system uses different duct nozzles depending on the pe�imeter Perlmeter size of duct being protected. 1 W Noule 419936 Ma�cimum Maximum 50 iri.{127 cm} fi01n.(127 Cm) Perimeter Perimeter