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SECTlON 1V - SYSTEM DHSIQN <br /> UL EX3470 ULC EX3470 Page 4-2 <br /> REV.4 4-1-06 <br /> Duct Proteciton-Multipte Nozzie <br /> bUC7 SIZES UP TO 135 iN.{343 cm)PERIMETER-3 <br /> FLOW Qf'TION <br /> ►• One 1W Noule (Part No. 419336) and one 2W Noule <br /> (Part No.419337)=three ilow numbers <br /> • 135 in.(343 cm)perimeter maximum <br /> • No round duct optfon available <br /> • FoViow design table in Figure 2 to determina maximum module <br /> size for each nozzis <br /> ' 1W Module 2W Mpdule <br /> Side A Side B Side B Slde B <br /> Maximum Maximum Maximum Maxtmurn <br /> in. cm) in. (cm) in. cm} in, cm <br /> 4 (SO) 60.0 {S52) 23.0 (58) 37.0 (94) <br /> 5 (l3) 60.0 (152) 23.0 (58) 37,0 (84) <br /> 6 {15) 59.5 (151) 22.5.(57) 37.0 (94} <br /> 7 (18) 59.0 (150) 22.0 (66) 37.0 (94)' <br /> 8 (20) 58.6 (148} 22.0 (56) 36.5 (83} <br /> 9 (23) 58.0 (147) 2�.5 (55) 38.5 (93) <br /> 10 (25) 57.0 (i 45) 21.0 (53) 36.0 (81} <br /> 11 (28) 56.0 (142) 20.5 (62) 35.5 (90} <br /> 12 (31} 55.5 {141) 20.0 (51) 35,5 (90) <br /> 13 (33) 54.5 (136) 19.5 (50) 35.0 (89) <br /> 14 (36} 53.5 (136) 18.5 (47} 35.0 (89) <br /> 15 (38) 52.0 (132) 18.0 (46) 34.0 (86) <br /> 16 (41) 51.0 (130) 17.0 (43) 3A.0 (86) <br /> 17 (43) 48.5 (i 26) 16.0 (41) 33.5 (85) <br /> i 8 (4fi) 47.5 (121) 14.5 (37) 33.0 (84) <br /> 19 (48) 46.0 (117) 13.5 (34) 32.5 (83} <br /> 20 (51} 43.5 (111) 12.0 (31) 31.7 (81) <br /> 21 (53) 41.0 {704j 10.0 (25) 31.0 (79) <br /> 22 {56) 38.0 (97) 7.5 (19) 30.5 (78) <br /> 23 (58) 33.5 (85) 4.0 (10) 28.5 (75} <br /> 4------ Sfde B ----► <br /> I <br /> � Slde A 1w W ; <br /> 1 <br /> , Fi�uRe 2 <br /> �,�ti <br /> Example:Protectlon ls required far a duct that has an"A"dlmen- <br /> sion of S.0 in.(20 cm}wide and a"B"dtmension of 55 in.(i40 cm) <br /> long. <br /> Aeferring to the table[n Flgure 2,if the"A"dimension is 8.0 in.(20 <br /> cm),ti�e"B"dimension must not exceed 58.5 in.(149 cm).In this <br /> exampie,the"B"dimension is 5&in.(140 cm),tharefore,this.duct <br /> can be prptected with a three fiow appl(cailon. <br /> ►Read over irom the 8.0 ln. (20 cm) line on the table to the 1 W <br /> Module c4lumn.At that potnt,the chart shows that the"B"module <br /> �length for the 1 W nozzle can be 22.0 in.(58 cm).Center the 1 W <br /> noule in that module.7he 2W moduie cen now be centered with- <br /> in tFie remaintng module, <br />