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SECTION 3—SYSTEM COMPONENTS R-102 Restaurant Fire Suppression Manual UL EX3470 ULC EX3470 PAGE 3-8 REV. 11 2014-SEP-01 DETECTORS PULLEY ELBOWS The detector consists of three basic components: the bracket, There are two types of pulley elbows used to change the linkage,and fusible link.(Fusible links are not included and must direction of the wire rope by 90°.ANSUL recommends for tem- be ordered separately.) The bracket holds the entire assembly peratures not in excess of 700 °F (371 °C). Part No. 415670 to the mounting surface. The linkage is used to support the has socket ends with set screws for 1/2 in. conduit, and Part fusible link.The fusible link is designed to separate at a specific No.423250 has compression ring ends also for 1/2 in.conduit. temperature and release the wire rope, thereby actuating the Pulley elbows must be ordered in quantities of 50 as Shipping regulated release mechanism. Assembly Part No. 415671 (socket end type) and Part No. The scissor style detector allows the wire rope to be strung com- 423251 (compression end type). pletely through the detection system conduit and brackets first PART NO.415670 PART NO.423250 and the detector linkage assemblies are then clipped on later. rTT The detector consists of two types of assemblies: The Terminal Detector (Part No. 435546) includes a test link 00 and is placed last in a series of detectors.This detector is some- times referred to as the end-of-line detector and is thus named because it is at the point at which the wire rope"terminates,"or is anchored at the detector bracket. Only one terminal detector FIGURE 3-24 is required per detection system. 000160/000161 The Series Detector(Part No.435547)is any detector located PULLEY TEE in-line between the regulated release assembly and the terminal detector. The Pulley Tee (Part No.427929)is used to change the direc- When using Part No. 435546 and 435547 detectors, a total of tion of two wire ropes by 90°. It must be used in areas where 15 detectors can be in one detection system: 14 series detectors the temperatures are within the range of 32 °F to 130 °F (0 °C (Part No.435547)and 1 terminal detector(Part No.435546). to 54 °C). Pulley tees can be used in mechanical gas valve actuation lines and remote manual pull station lines.Pulley tees Note 1: Series Detector (Part No. 435547) is also available as Part No.435548,25/Pkg. cannot be used within a detection line. ► Note 2: Scissor-style linkage is also available in a 10-Pack (Part ►No.439515). BRACKET E) (D LINKAGE\ O FUSIBLE V I FIGURE 3-25 LINK OD0447 ►ANSUL STAINLESS STEEL CABLE FIGURE 3-23 The 1/16 in.stainless steel cable is run from the terminal detec- 000159 tor, through conduit, all series detectors and pulley elbows, and into the regulated release mechanism trip lever.When any fusible link separates, the tension on the cable is relaxed, and the trip lever actuates the regulated release mechanism. The cable can also be used for mechanical gas valves and remote ►manual pull stations. The cable is available in 50 ft (15.2 m) (Part No. 15821)and 500 ft(152.4 m)(Part No.79653)lengths. ►The ANSUL stainless steel cable contains a blue tracer cable.