3625 BROADWAY SONIS KITCHEN 2025-01-03

R-702 Restaurant Fire Suppression Manual SECTION 4-SYSTEM DESIGN SECTION 4-SYSTEM DESIGN R-102 Restaurant Fire Suppression Manual UL EX3470 ULC EX3470 UL EX3470 ULC EX3470 2014-SEP-01 REV.11 PAGE 4-63 PAGE 4-64 REV.11 2014SEP-01 ACTUATION AND EXPELLENT GAS LINE REQUIREMENTS 3. If two tanks are connected to the regulated release DISTRIBUTION PIPING REQUIREMENTS(Continued) (Continued► assembly,in a multlple-tank system arrangement,the total Expellant Gas L'me combined length of the actuation and expellant gas lines Supply and Branch Llne identification SUPPLY LINE must not exceed 30 R(9.1 m)when using a'double-lank" The R-102 disidbullon piping network Is broken down into The Supply line is defined as the length of pipe which runs from i. The expelanl gas line is installed from the regulated release nitrogen cartridge,an LT-A-101-30 nitrogen cartridge,or a four specific pipe runs:the Supply Line.the Duct Branch Line, the agent lank outlet to the last branch line(whether a duct, mechanism In double, three, and multlple-lank systems, 101-30 carbon dioxide cartridge.See Figure 4-122. the Plenum Branch Ling,and the Appliance Branch line.See appliance,or plenum branch line).This Includes all supply line and from the regulated actuator assembly in multiple-lank 4. If three 3.0 gallon tanks are connected to the regulator In Figure 4-127. -- - � - fittings except for the leas or elbows leading to the branch lines. systems.The expellant gas kne is the piping andior hose either a re ulated release or regulated actuator assembly, See Figures 4.127 and 4-128. g g y' WCT BRANCH between the regulator and the lank-endosureAank-lxackel only factory suppked expellant gas hose assemblies will LINE assembly.The totsl length at the expellant gas line from be utilized.Refer to Distribution Piping Requirements-9.0 the regulated release mechanism or each regulated actu- I. Gallon System,page 4-70 for additional design requirements. star assembly must not exceed 30 it(9.1 m)when using a'double-tank'cartridge,an t-T-A-101-30 Cartridge,or a DISTRIBUTION PIPING REQUIREMENTS 101-30 Cartridge.See Figures 4-124 and 4-125. Once the nozzle placement and quantity of tanks has been SUPPLY determined,it Is then necessary to determine the piping mnrig- LINE - E%PELLANT GAS LINE MAXIMUM LENGrIl-30FF(al 11. uragons between the tank adaptor and each discharge nozzle, i 3 MAXIMwe No.of Fmmvs-s This section contains the guidelines and firnitations nor designing I Ilse distribution piping so that the liquid agent will discharge from - I the nozzles at a proper flow rate.These limitations should also be referred to when selecting the mounting location for the regu- PLeuuM errunNCE fated release mechanism and agent tank. PHANCH LINE BRANCH LINE General Piping Requirements 1.Alt R-102 system piping Is straight line.Therefore,the need NOTE:THIS Is A CONCEPTUAL DRAWING My. for critical lengths and balancing is minimized. THIS Is NOT AN ACTUAL INSTALLATION, FIGURE 4-127 END or 2.Two 45'elbows count as one 90'elbow. °°'"° SNFFIN LINE HtG'.L—D 3.Each branch line includes the tee or elbow leading to It,and NNTE�THESE ARE EXAMPLES ONLY OTHEn cCNJFIGURATIOMa CAN PE DESIGNED ItLtASt A��;; Y � all fillings w{lhtn the branch line Itself. 'p ¢ t 4.The minimum piping length of Schedule 40,3l3 in.pipe from p�'f the tank outlet to any nozzle protecting a range,fryer,or wok FIGURE 4-1124 must be 6 If(1.9 rn. rx^c I nrr rns I Inn 5. Pipe lengths are measured from center of fitting to center of anxrurn:N;n�_,in rT M I gyp; fitting.See Figure 4-126. !41XA\'tr'.i Y.D CK FI`rYJ65.-0 END OF SUPPLY LINE ENO OF \y Cf31Tpt TOCENfEa SUPPLY LINE � OF SUPPLY UPr4.V LINE ¢ I ¢ ? p p ¢ �.• I i' FIGURE4-126 ,1 SUPPLY iPNLENUESFOR — LINE TEE PROTECTION) 6.All distribution piping must be 3/8In,Schedule 40 black iron, chrome-plated,or stainless steel.Do not use hot dipped galvanized pipe on the distribution piping. 7. All threaded connections located in and above the protected -� area must be sealed with pipe tape.Tape should be applied to male threads only.Make certain tape does not extend over ESkiND OFYLiNE REarA.gTEB ACTwTaI the end of the thread.as this could cruse possible blockage P� ¢ ASSENSLY of the agent distribution. FIGURE 4.126 8. Before installing blow-off caps on nozzles,apply a small 1 f I amount of Dow Coming No.111 silicone grease across the / (NOZzUESFOR 2.A Combined total of nine fillings may be used fin these lines. opening in the nozzle tip and also a small amount mating the SUPPLY PLENUM eight 90°elbows and one tee.Two 45"elbows equal one exterior or the blow-off cap,This will help keep cooking grease LFEc PRmEcrIONI BRANCH LINE CANNOT BRANCH LINE CANNOT 90"elbow. from building up on the cap. STAST AHEAD CA SUPPLY LINE TEE STAm AHEAD OF 9.Tees used in the distribution piping can be used as thm lees., SUPPLYUNETEE side outlet lees,or bull lees. FIGURE 4A28 i t