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SECTION 4-SYSTEM DESIGN R-102 Restaurarx Fire Suppression Maraca! R-102 Restaurant Fire Supfuessfon Manua! SECTION 4-SYSTEM DESIGN <br /> UL EX3470 ULC EX3470 <br /> UL EX3470 ULC EX3470 <br /> PAGE 4-4 REV.ti 2014-SEP-01 2014-SEP-01 REV.it PAGE 4-5 <br /> Plenum Protection 'Option 2:The d W nozzle must be placed perpendicular,8.12 in. <br /> Transition Protection <br /> m) The R-102 system uses the 1 W nozzle or the 1N nozzle far the center <br /> mm)from the face of the idler and angled to <br /> Transitions are protected at a point in the transition where the The IRN nozzle must be centered 1010 26 in.(254 to 660 m <br /> perimeter or the diameter is equal to or less than the maximum below the precipitator and aimed to discharge at the center of plenum protection.The 1 W nozzle is stamped with 1 W and the ter of the litter.The nozzle tip must be within <br /> fi is( <br /> size duct that can be protected.The nozzle(s)must be located each precipitator cell.However,it it is physically Impossible to .the IN nozzle Is stamped with 1N,Indicating they are one-Ilow Se Fi from the perpendicular center line of the <br /> in the center of the area at that point,or center of the module mount the nozzle at 10 to 26 in.(254 to 660 mm)due to precip- nozzles and must be counted as one Sow number each.When filter.See Fgure 4-8. <br /> protected when more than one dud nozzle is required.Note! itator placement,the nozzle may be mounted closer than 10 in. protecting a plenum chamber, the entire chamber must be t2Xw.tao5,nm1 <br /> Nozzles to protect duels with a transition that Is more than (254 mm),Bee Figure 4-5. protected regardless of filler length. Mf XIMUM <br /> 4 ft(1.2 m).In height,will be required to be positioned in <br /> the opening of the transition from the hood 2 to 8 in.(50 VERTICAL PROTECTION-GENERAL not mml <br /> to 203 mm)into the opening using standard duct nozzle I! MIN mf <br /> 1 W NOZZLE-SINGLE AND"V'BANK PROTECTION MINIMUM <br /> design parameters.See Figure 4-4. SEE aucr rca <br /> One 1 W nozzle will protect 4 linear feet(1,2 m)of plenum.The <br /> HTRANSITIUn <br /> HOME PROTEC'noN maximum distance from the end of the hood to the first and last NODUi TIP <br /> o� nozzle must be no more than 2 It(0.6 m).After the first nozzle, MUST RE wITHIN <br /> 1 THIS AREA <br /> any additional nozzles must be positioned at a maximum of 4 0 <br /> Rnnsmuv (1.2 m)apart down the entire length of the plenum.The plenum <br /> . width must not exceed 4 8(1.2 m).(The 1 W nozzle can be used <br /> PREaPnaroR on single or V-bank arrangements.)See Figure 4-6. FIGURE 4-8 <br /> emu, <br /> io-zc IN AiAXiMUM 1 HORIZONTAL PROTECTION-OPTION 1 <br /> A FT j 1259fi1+o n�nl a rT t1.2,n) <br /> n 2m1 tE MAxMUM IN NOZZLE SINGLE BANK PROTECTION <br /> MAX. 4 Fr(1.2 4 AXn z.nl <br /> 2 rr to.eml MAXrrua MAXIMUM •one 1 N nozzle will protect 10 linear Feet(3.0 m)of single filter bank <br /> i NOMEwH MAXIMUM plenum.The nozzles)must be mounted In the plenum,2to 4 In. <br /> PRECIPITATOR - (50 to 102 mm)from the face of the filter,centered between the <br /> PROTECTION filter height dimension,and aimed down the length.The nozzle <br /> must be positioned 0-6 in.(0-152 mm)from the end of the hood to <br /> IF PHYSICALLY IMPOSSIE4E AT IOTO M tN.I2S4TOSW an4,NOTATE MAYBE the tip aline nozzle.See Figure 4-9. <br /> FIGURE 4-4 MCUNTEO U=M THAN To IN.(�mm), <br /> cool>< FIGURE 4.6 pp <br /> Fr <br /> Electrostatic Precipitator Protection Y 2-MIN MAXIMU m1 <br /> Note:For protection of Pollution Control Units{PCUs)or air i� tso-u,Ilmf ntAxrtunt <br /> Soma restaurant ventilating ducts have an electrostatic precip. scrubbers with or without ESPs,contact Technical Services for <br /> Ruder Installed at or near the base. These precipitators are non-UL listed recommonded application. ✓ <br /> C <br /> generally small and are used to ald in the cleaning of exhaust air. FIGURE 4-8 <br /> -- <br /> Ducts with precipitators located at or near the base can be <br /> protected using dud nozzie(s)above the precipitator and 1/2N When protecting plenums with the iW nozzle,two options of <br /> nazzle(s)for the precipitator.One 1/2N nozzle must be used coverage are available: <br /> .for each 00 being protected.This nozzle is stamped with 1/2N, Option 1:The 1 W nozzle must be on the center line of the <br /> Indicating that It its a 112-flow nozzle and must be counted as 1/2 single or"V'bank filler and positioned within 1-20 in. <br /> flow number. (26-508 mm)above the top edge of the filter.See <br /> When protecting ducts equipped with precipitators, the duct Figure 4-7. <br /> nozzle(s)must be installed above the precipitator and aimed to <br /> discharge downstream.If the area above the precipitator is a Iq FIGURE 4.9 <br /> duct,the nozzle(s)must be positioned according to duct protec. _ T <br /> tan guidelines.3(the area above the precipitator is a transition, 20w.MAXIMUM mm <br /> Ilia transition guidelines must be lollowed. � <br /> i Ilrv.txc mmj . <br /> MlNiMUM <br /> IN <br /> M M,n,mf <br /> MAXIMUM <br /> If <br /> ' lJ,INIIrIt:IA <br /> FIGURE 4-7 <br />