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' � ' - i . <br /> � <br /> � SECTION IV — SYSTEM bESIG� <br /> UL EX3470 ULC EX3470 Page 4•� <br /> - 7••1•09 RFV ! <br /> � • <br /> �� <br /> Plenum Protectlon • <br /> The R•102 system use the 1 W Nuzzle (Parfl No.419338) or• he i <br /> 1 N Nozzle (Part No,41 335) for plenum prot c11on,The 1 W r� z• � <br /> zlo tlp Is stampod wlth W and �he 1 N nozzle�tip Is slamped Ith 20 N,(51 cm) <br /> 1 N, Indlcating fhey are ne•flow nozzles and must be countecl as MAXIMUM <br /> ono flow numbor each, When protf3cting s pl�num chamber, he — <br /> entlre chamber must b protected regardless qt flller length. <br /> � , 1 IN,�2,6 om) <br /> VERTICAL PROTECTI N--GENEF�AL I INIMUM <br /> " iW NOZZLE — PART NO, 41933�3 — SIN(��E ANp"V" B�1 K � � <br /> 'PROTECTION ' <br /> One 1W nozzle wlll pr t�ct 4 linesr feet (1.2 m) of plenum,'i he 201N.(51 cm) <br /> MAXIMUM <br /> maxlmum distance fro the end of the hood jo the flrst and I st � � � <br /> nozzle must be no more than 2 ft(0,6 m),After the flrst nozzle, ny ' ¢ <br /> addltlonai nozzles must e posltloned at a maximum of 4 ft(1,2 m) I 1 IN.(2,5 cm) <br /> aparl down the entire le gth of the plenum,Th�plenum wldth rr��st MINIMUM <br /> not exceed 4 ft (1,2 m), The 1 W noxzle can t�e used on singl� or I <br /> V-bank fllter arrangemo ts,) See Flgure 8, ; i <br /> � FIGURE 7 <br /> 2 FT(0.9 m) ' wo�e� <br /> 4 FT��Z m�XII�AUM .. ; Optlon;2:The 1 W nozzle mus be placed perpendicular, 4•t 2 in <br /> MAXIMUM -� ; � ; (?_0•30 cm) from tl�e face of the (Ilter and ang�ed to �ho <br /> 4 FT(1.2 m �A FT(1,2 m) <br /> 2 Ff 0,0 mJMAXirnurn � , MAXIMUM i center uf the fllter, � e nozzle tlp musf be within 2 In <br /> MAXIMUM 4 (:i cm) from the per�endlcular cenler Ilne o1 ihe fillor <br /> � / See Flgure 8, <br /> . <br /> � <br /> 12 IN.(80 cm) <br /> MAXIMUM <br /> ' � 4IN, y/ � <br /> �� I (t0 cm) <br /> r � � 8 IN.{20 cm) <br /> ' ���� i �dINIMUM <br /> '� �/� ; • ' , <br /> \� N07ZlE'fIP ' .� <br /> C \ � � MUS7 BH WI7HIN <br /> FIGUREe 6 I THI9 ApEA <br /> aot�� � <br /> When prolecling planum wlth the 1 W nozzle, iwo optlons of c�v- � <br /> orage are av�llablo: i <br /> FIGURE 8 <br /> Optlon 1:Tl�e iW nozzl must be on the conter�iine of the singlo i �°°Za� <br /> or "V" bank f(Iter and posltloned !withln 1•20 In, HORIZpNTAL PRC�TECTfON— PTfON 1 <br /> (2,5•51 cm) bove the top edge of the fllter, Se�3 �N NOZ� LE—PART NO,41933 --SINQLE BANK PROTECTION <br /> 1=lgure 7, � � <br /> , One 1 N hozzle wlll protect 10 Ilnear feet(3,-1 m)of single filler bank <br /> plenum.The nozzle(s) must be r�ounted In the plenum, 2 Io a in <br /> (5 to 10 jcm) (rom the tace of ihq fllter, centered bo4ween the lillor <br /> helght dlh-ienslon, and almed do�Jn the lenglh,The nozzle musi be <br /> posltione;d 0-6 In.(0-15 cm)irom tt�e ond of lhe�hood to the tlp o(;no <br /> nozzle.Ses Flgure�), , <br /> � �' '; �.r <br /> 2—A IN, 10 FT.(3.1 m) <br /> (6—10 cm) MAXIMUM <br /> � <br /> 000201 /\ <br /> �� ' \ <br /> . \ <br /> i . W01�1 <br /> •.{•i <br /> 1 � <br /> , h1rU,��..:s <br />