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SECTI�N IV - SYSTEM DES{GN UL EX3470 ULC EX3470 Page 4-23 7-1-09 REV.B Overhead Chain Broiler Proteciton {Contlnued) Exemple No.i -Internal broiler size is 24 in.long x 20 in.wide 'Safamander Broiler Protecfion--1 F(1-Flow)Nozzle Overhead (61 x 51 cm), wlth an opening of 16 in, x 16 fn. A saEamander breiler with a maximum hazard area(internal broil- (49.8 x 40.8 cm). er chamber}of 15 In.(38 cm)deep x 31 in.(79 cm)wide can be To determine minimum opening size, multiply the protected using a 1 F nozzie, Part No.419333.The noule tip is internai length and the internal width by O.S: stamped wEth i F,indicating that this fs a one•ffow nozzle. Length of opening-24 in.x 0.6=14.4 in. "fhe single 1 F nozzle must be located direcity in line with the cen- (61 cm x 0.8 a 36.6 cm) ter of the broiler opening,8 in.(20 cm)to 12 in.(30 cm}in frant ot Width of opening-20 in.x 0.6=12.0 in. the broiler and 12 In.{30 cm)to 18 tn.(46 cm)above the top of the (51 cm x 0.6=30,5 cm) broiler.7he nozzte must be aimed at the center of the top broiler opening when the grate is located in the middle poslUon.The noz- The minlmum altowable apening Sor overhead proteo- zte must be orientaied so the nozzle tip flats are paralle!with the tion would be 14.4 in.x 12.01n.(38.6 x 30.5 cm). grate left to right centerline.See Figure 57b. This example would be acceptable for overhead pro- �K No�E� NO�IE tQCt10n. ��Np 8 IN. � LOCATION ZONE 418333) (75�) f IN.(20cm) Exampie No.2-lnterna!broiter size is 30 in.tong x 24 in.wida � (7fi x Bi cm) with an opening of 22 in. x 12 in. i '�� (56 x 30 cm). 4�y, �i2�N. (10 cm) (3o cm) To determine minimum apeni�g size,muitiply internal m length and Internal width by 0.6: Length of opening-3U in.x 0.6=18.0 in. (76 cm x 0.6=45.7 cm) Width of opening-24 in,x 0.6=i 4.4 Ifl. q1At AT CENTER OF THE A�M AT CENTEA OF THE TOP (61 cm x 0.6=36.6 cm) TOp BROILER OPENIHO BR0ILEH OPENINO WHEN 7HE WHEN TFSE aRATE IS aRATE IS LOCA7ED IN T}{E Minimum allowable opening for overhead protectlon LOCATED INTHE MIDDI.E POSRIONAIM AT CENTER would be i 8 in.x 14.4 in.(45.7 x 36.6 cm). �smb��posirioN OF BROILER OPENINO Because th[s broiler has an opening of 22(n.x 12 in., FIGURE 57b the 12 in,width is helow ihe minimum allowable cal- °°°"° culated dlmension of i4.4 in.(36.6 em)and iherefore Salamandar Broiler Protectlon-1 N(1•Flow)Noule Locat would not be acceptable for overhead proteclion. A salamander brofler with a maximum hazard area(internal broil- ►Satamander Broiler Protection er chamber)of 15 in.(38 cm)deep x 31 in.(79 cm)wide can be The R-102 system uses three ditterent nozzle locations tor sala- P�otected using a 1 N noule, Part Plo.419335.The noule tip is mandar broiler protection.All of the design options require a one- skamped with 1 N,indicating that this is a one-flow nozzle. flow nozzle. 7he single iN nozzle must be focated above the grate on eilher vertical ed8e of ihe broiler opening.The nozxie must be aimed at Salarttander Brol{er Protectlon-1 N(1•Flow}Noule Overhead the center of the grates.Sea Flgure 57c. A salamander broifer with a maximum hazard.area(internal broil- er charnber)of 16 in.{4i cm}deep x 29 in.(74 cm)wide can be protected using a 1 N nozzle, Part No.419335.The noule tip is .stamped with 1 N,indicating that ihis is a one-flow noute. The single 1 N nozzle must be located directly in line with either vertical edge of the broiler opening,6 in.{15 cm}to 12 in.(30 cm) in ffont of the broifer,and 0 in.to 12 fn.(30 cm)above the top ot the broiler.7he nozzle must be aimed at the center of the broiler ►opening.See Figure 57a. VEATICAL EDGE OF BROILER OPENINp I 1N NOZZLE 4�� i (PART N0.41B335) NOZZIH 1N N07ZLE AIMHD ` 4-LOCATION ZONE AT CENTER OF I 121N. ORATES I 4 (30 cm) �IN.(15 cm} � FSGURE 57c � t �.m B IN. --------°-.-_-°� " -. •-�-�--�-•-' -�----�---�- • -•- (15 cm) ..__...-------.J AIM A7 CENTER� AIM AT CENTER OF BROIIER OF BROILER OPENING OPENINQ � ' FlGURE 57a aos�x