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Table A. NFPA 13D & 13P Wet Pipe Hydraulic Design Criteria for Model SS8464 For systems with ceiling types smooth flat horizontal, or beamed, or sloped, in accordance with NFPA 13D, 13R or 13 as applicable. Maximum Maximum Ordinary Temperature Intermediate Temperature Coverage Spacing Rating 162°F(72°C) Rating 205°F(96°C) Deflector to Installation Minimum Area(,) Spacing Ft.xFt. Ft' Flow(b)GPM PressureN Flow(b)GPM Pressure"� Ceiling Type Ft.�m) (m x m) (m) (LPM) PSI(bar) (LPM) PSI(bar) 12 x 12 12 13 7.0 13 7.0 Smooth (3.7 x 3.7) (3.7) (49.2) (0.48) (49.2) (0.48) Ceilings 3/8 to 7/8 Inches. 14 x 14 14 13 7.0 13 7.0 (4.3 x 4.3) (4.3) (49.2) (0.48) (49.2) (0.48) Beamed Ceilings per 16 x 16 16 13 7.0 13 7.0 NFPA 13D, Concealed 8 (4.9 x 4.9) (4.9) (49.2) (0.48) (49.2) (0.48) 13R or 13. (2.4) 18 x 18 18 17 12.0 17 12.0 Installed in (5.5 x 5.5) (5.5) (64.4) (0.83) (64.4) (0.83) beam 3/8 to 7/8 inches 20 x 20 20 21 18.4 21 18.4 below bottom (6.1 x 6.1) (6.1) (79.5) (1.27) (79.5) (1.27) of beam. a. For coverage area dimensions less than the above mentioned, it needs to use the minimum required flow for the Next Higher Coverage Area listed. b. Requirement is based on minimum flow in GPM (LPM) from each sprinkler. The associated residual pressures are calculated using the nominal K-Factor. Refer to Hydraulic Design Criteria Section for details. Sprinkler Spacing Criteria The minimum spacing between sprinklers is 8 feet (2.4m). The maximum spacing between sprinklers cannot go beyond the coverage area calculated by using the specific hydraulic factors. (Ref. Table A) INSTALLATION The Model RC-RES must be installed in accordance with the following instructions: NOTES Do not use any sprinklers which have been subjected to potential mechanical damage. Do not use any sprinklers which show deformation or cracking in either the Sprinkler or the Protective Cap. Prior to installation,sprinklers should be maintained in the original cartons and packaging until used to minimize the potential for damage to the sprinklers that could cause improper operation or non-operation. The Protective Cap must remain on the sprinkler during installation.After the installation is completed,the Protective Cap must be removed to place the sprinkler in service. Use a torque of 7 to 14 ft•lbs(9.5 to 19.0 N•m)to achieve a 1/2 inch NPT sprinkler joint. If you exceed the recommended maximum torque,this could result in damage to the sprinkler inlet,which may lead to leakage from the sprinkler. Use only NR-H model wrench socket for installation of RC-RES sprinklers. Use of any other wrench or socket is prohibited and may cause damage to the sprinkler. In case of insufficient adjustment in Cover Plate installation, do not try to overly tighten, screw the sprinkler too loosely or make any modification to the cover plate assembly. Readjust the sprinkler fitting for a better fit. Do not rotate the Cap Removal Tool for RC to the left with force when placing the two hook arms into place.The installed sprinkler may become loosened,which may cause water leakage. 40 www.senjusprinkler.com Page 5 of 8 Document No.U085168• 02-08-2021