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SECTION IV—SYSTEM DES{GN <br /> UL EX. 5174 10-31-97 Page 4-11 <br /> DETECTOR SYSTEM REQUIREMENTS (Continued) <br /> Detector Placement Requirements(Continued} Fusible Link Selection <br /> COOKING APPLIANCES Select correct UL Listed fusible link(s)for installation in detector(s) <br /> Per NFPA 17A, "A fusible link shail be provided above each cook- according to the temperature condition chart below• <br /> ing appliance or group of appiiances protected by a single nozzle. Temperature To Be Used Where <br /> Exception: Cooking appliances located directly below an exhaust Fusible Link Rating Temperature Does <br /> duct having a fusible link installed at or within 12 in. (305 mm) of Part No. (See Figure 79� Not Exceed <br /> the entrance to the duct." 415739 165 °F(74°C) 100°F(38 °C) <br /> 415740 212 °F(100 °C) 150 °F(66 °C) <br /> Detection Line Requirements 415741 280 °F(138°C) 225°F(107 °C) <br /> CONDUIT 415742 360°F(182 °C) 290°F(143 °C) <br /> Ri id conduit, 1/2 inch Schedule 40 alvanized 415743 450 °F(232°C) 360°F(182 °C) <br /> 9 g pipe, or 1/2 inch 56816 500 °F(260°C) 400°F(204 °C) <br /> EMT thin-wall conduit may be used.Standard steel conduit fittings <br /> (compression type are recommended)must be employed to prop- <br /> erly install the detection system.All conduit or pipe must be firmiy O O <br /> supported. When using pipe, make certain that all ends are care- <br /> fuily reamed, deburred and blown ciear of chips and scale before �g�� <br /> assembly <br /> � <br /> NOTICE ��°,`;�y TEMPERATURE RATING <br /> The conduit offset can be used at the top or bot- 4 srnMae�oN Fusie�e <br /> tom of the regulated release to change direction �-,� LINK BODY <br /> of the conduit. The conduit offset cannot be O <br /> used with pulley tees.All other changes in direc- <br /> tion must be made by using Ansul approved pul- o�,�o <br /> ley elbows, Part No 423254 or 415670 See K STYLE °0°"' <br /> Fi ure 20 ML STYLE <br /> 9 500°F(260°C)ONLY <br /> FIGURE 21 <br /> � <br /> � <br /> / <br /> o � <br /> I <br /> o � <br /> � �) <br /> �1 <br /> �) <br /> � <br /> FIGURE 20 <br /> 000z�o <br />