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SECTlON III—SYSTEM COMPONENTS � UL EX.5174 10-31-97 Page 3-5 DETECTORS FUSIBLE LINK The detector consists of three basic components•the bracket, link- Select correct UL Listed fusible link(s)for installation in detector(s) age, and fusible link. (Fusible links are not included and must be according to the temperature condition chart below• ordered separately)The bracket holds the entire assembly to the To Be Used Where mounting surface The linkage is used to support the fusible link. Fusible Link Temperature Temperature Does The fusible link is designed to separate at a specific temperature Part No. Rating Not Exceed and release the wire rope,thereby actuating the regulated release mechanism. 415739 165 °F (74°C) 100°F (38 °C) 415740 212° F (100° C) 150° F (66°C) There are two styles of detectors available�the hinged style, and 415741 280 °F (138° C) 225° F(107°C) the scissor style 415742 360°F (182 °C) 290°F(143 °C) The hinged style detector requires the wire rope to be strung to the 415743 450 °F (232°C) 360°F(182 °C) detector bracket, and then"threaded"through the linkage assem- 56816 500 °F (260°C) 400°F(204 °C) bly before continuing to the next detector bracket. The scissor style allows the wire rope to be strung completely � O O through the detection system conduit and brackets first and the detector linkage assemblies are installed later .Ng�. Each style of detector consists of two types of assemblies. � The Terminal Detector (Part No. 15375, or 417368) includes a ��`�<� TEMPERATURE test link and is placed last in a series of detectors.This detector is �_-� RATING STAMPED ON � FUSIBIE LINK BODY sometimes referred to as tne end-of-line detector and is thus • named because it is at the point at which the wire rope "termi- nates;'or is anchored at the detector bracket. Only one terminal detector is required per detection system. The Series Detector(Part No.15373,or 417369)is any detector K ooTMo E soo°F�(2 OTMC)ONLY located in-line between the regulated release assembly and the °��,�, terminai detector FIGURE 17 When using Part No. 15373 and 15375 style detectors, a total of 5 pULLEY ELBOWS detectors can be in one detection system:4 series detectors, Part No. 15373 and 1 terminal detector, Part No. 15375 There are two rypes of pulley elbows used to change the direction When using Part No. 417368 and 417369 style detectors, a total of the wire rope by 90° Ansul recommends for temperatures not in of 15 detectors can be in one detection system: 14 series detec- excess of 700 °F (371 °C). Part No.415670 has socket ends with tors, Part No.417369 and 1 terminal detector, Part No.417368 set screws for 1/2 in.conduit, and Part No.423250 has compres- sion ring ends aiso for 1/2 in. conduit. Pulley eibows must be HINGED STYLE-PART NO.15373 AND 15375 ordered in quantities of 50 as Shipping Assembly Part No.415671 (socket end type)and Part No.423251 (compression end type) O PART NO.415670 PART NO.423250 LINKAGE� FUSIBLE gRACKET O � LINK � � 000158 pp0160 000161 SCISSOF STYLE-PART NO 417368 AND 417369 FIGURE 18 BRACKET PULLEY TEE LINKAGE� Q The Pulley Tee(Part No. 15342) is used to change the direction of two wire ropes by 90°. It must be used in areas where the tem- l - peratures are within the range of 32 °F to 130°F (0 °C to 54 °C) FUSIBLE � (� Pulley tees can be used in mechanical gas valve actuation lines LINK and remote manual pull station lines. Pulley tees cannot be used within a detection line.Pulley tees can only be used to operate one 000159 gas valve from two ANSUL AUTOMAN Releases. FIGURE 16 1 0 0 / FIGURE 19 000,sz