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TFP213 Page 3 of 4 Sprinkler Spacing al Building Code (IBC) and Internation- The maximum coverage area per sprin- al Fire Code (IFC) for CMSA sprinklers kler is 196 ft2 (18,2 m2). The minimum with an RTI of 50 or less and a design WRENCH coverage area per sprinkler is 100 ft2 of 12 or fewer sprinklers. RECESS (9,3 m2). The maximum distance be- Construction Type For NFPA 13, tween sprinklers is 14 ft. (4,3 m). The Chapter 21,—Alternative Systems minimum distance between sprinklers Designs �, is 10 ft. (3,05 m). In accordance with NFPA 13 for Ex- �'1 ".Z Note: When a wall or obstruction tended Coverage Sprinklers for High ` lfg11 makes a minimum spacing of 10 ft. Piled Storage. (3,05 m)impossible, consult FM Glob- Obstruction Criteria for NFPA 13 al Property Loss Prevention Data Chapter 21 —Alternative Systems "FITTING SIDE" O Sheet 2.0 for applicable guidelines. Design TOWARDS SPRINKLER Follow Sections 8.8.5.1, (Extended FITTING Sprinkler Location Coverage Obstruction Guidelines for Locate sprinklers with respect to the Sprinkler Discharge Pattern Devel- ceiling/roof ceiling/roof in accordance with FM opment); 8.12.5.2 and 8.12.5.3 (ESFR FIGURE 2 Global Property Loss Prevention Data Obstruction Criteria for obstruction W-TYPE 1 Sheet 2.0. that prevent the pattern from reaching SPRINKLER WRENCH Obstructions the hazard below). Follow the obstruction requirements . Exception: When using the Up- Step 2. With pipe-thread sealant sp- as detailed in FM Global Property Loss right EC-25 Sprinkler, any continu- plied, hand-tighten the sprinkler into Prevention Data Sheet 2.0. ous obstruction 4 inches (100 mm) the sprinkler fitting. Do not apply any han- or less shall be permitted to be ig force to the Link Assembly, and Other Details nored in accordance with NFPA 13, dle the Model EC-25 Sprinkler only by All other design details should be in the Frame arms. section 21.5.3.2.3. accordance with FM Global Proper- Step 3. Wrench-tighten the Model ty Loss Prevention Data Sheet 2.0 as Deflector Distance Below Ceiling EC-25 Sprinkler using only the W-Type well as any other applicable FM Glob- Follow NFPA 13, Section 8.8.4 for al- 1 Sprinkler Wrench (Figure 2) and by al Data Sheet. lowed deflector distances below fully engaging (seating)the wrench on NFPA 13,CHAPTER 21 ceiling. the sprinkler Wrench Flats. ALTERNATIVE SYSTEM DESIGN Clearance to Storage Step 4. After installation, inspect the (CMSA) Minimum 36 inches from deflector to Link Assembly of each Model EC- The TYCO Model EC-25 Extended top of storage required. 25 Sprinkler for damage. In particu- Coverage Upright Sprinklers (TY9128) lar, verify that the Link Assembly and Maximum Distance Between Hook are positioned as illustrated in have successfully undergone large- Sprinklers Figure 1, and that the Link Assembly scale fire tests at Factory Mutual to 14 ft. (4,3 m) has not been bent, creased, or forced comply with Chapter 21 of NFPA 13, out of its normal position in any way. 2013 Edition. As such, Tables 21.2.2 Minimum Distance Between and 21.3.2 of NFPA 13 may be utilized Sprinklers Damaged sprinklers must be replaced for design options with the Model EC- 10 ft. (3,0 m) immediately. 25 Upright Sprinklers for providing ceil- ing-only protection. Installation This allows for the protection of Pal- letized, Solid Piled, Bin Box, Shelf, or The TYCO Model EC-25 Upright Back-to-Back Shelf Storage as well as Sprinklers are to be installed in accor- Single, Double,and Multiple Row Open dance with this section. Rack protection of up to 30 ft.(9,1 m)of Damage to the fusible Link Assembly Cartoned Unexpanded Group A Plas- during installation can be avoided by tic Commodities in a maximum 35 ft. handling the sprinkler using only the (11 m) ceiling condition with extended frame arms and the appropriate sprin- spacing up to 196 sq. ft. while main- kler wrench. Do not grip or apply any taining very reasonable flow and pres- force to the Fusible Link Assembly. sure requirements. Pipe sizes as well Damaged sprinklers must be replaced as water supply requirements can now immediately. be kept to a minimum when compared to other design methods for high piled A leak-tight 1 inch NPT sprinkler joint storage challenges. Refer to Tables should be obtained by applying a min- A and B of this data sheet for specific imum-to-maximum torque of 20 to 30 flow, pressure, and number of sprin- ft.-lbs. (26,8 to 40,2 Nm). Higher levels klers to be calculated. of torque may distort the sprinkler in- When used in accordance with NFPA let with consequent leakage or impair- Chapter 21, smoke vents and draft ment of the sprinkler. curtains are not required as specified Step 1. Install the Model EC-25 Sprin- in the 2015 edition of the Internation- kler in the upright position.