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Page 4 of 5 <br />V I.a FREEDOM® RESIDENTIAL <br />TECHNICAL DATA CONCEALED PENDENT <br />SPRINKLER VK494 (K4.9) <br />The Viking Corporation, 210 N Industrial Park Drive, Hastings MI 49058 <br />Telephone: 269-945-9501 Technical Services: 877-384-5464 Fax: 269-818-1680 Email: techsvcs@vikingcorp.com <br />Visit the Viking website forthe latest edition of this technical data page wwwvikinggroupinc corn <br />UL Listing Requirements (C1)L-US-EUI: <br />Vvhen using Viking Res identia l Pence ale d Pendent Sprinkler VK494 for systems designed to NFPA 13D or NFPA 13P applythelistedareasofcover- <br />age and minimum water supply requirements shown in the Approval Chart. <br />For systems designed to NFPA 13 The number of design spnnMers is to be the four contiguous most hydraulically demanding sprinklers. The minimum <br />required discharge from each of the four sprinklers is to be the greater of the following. <br />-The flow rates given in the Approval Chan for NFPA 13D and NFPA 13R applications for each listed area of coverage, or <br />-Calculated based on a minimum discharge of 01 gpm/sqft. over the "design area in accordance with sections 8 52.1 or8.621 2 of NFPA 13. <br />- Minimum distance between residential sprinklers 8 ft. (24 m). <br />NOTE: Concealed sprinklers must be installed in neutral or negative pressure plenums only. <br />IMPORTANT. Always refer to Bulletin Form No. F 080415 - Best Practices for Residential Sprinkler Handling and Installation. <br />Also refer to Form No. F 080614 for general care, installation, and maintenance information. Viking sprinklers are to be in- <br />stalled in accordance with the latest edition of Viking technical data, the appropriate standards of NFPA and any other similar <br />Authorities Having Jurisdiction, and also with the provisions of govemmen l codes, ordinances, and standards, whenever <br />applicable. Final approval and acceptance of all residential sprinkler installations must be obtained from the Authorities <br />Having Jurisdiction. <br />Sprinkler and Adapter Assembly <br />2-1/4" (57 mil <br />• Protective cap removed <br />diameter opening <br />• Use wrench 14047W/B* <br />required in the <br />ceiling. <br />Sprinkler Wrench <br />Part No. 14047W/B* <br />Step 1: <br />Step 2: t t <br />Carefully slide the <br />Carefully press the wrench upward and <br />wrench sideways around <br />turn slightly to ensure engagement with <br />the deflector and pins <br />the sprinkler wrench flats. <br />Sprinkler <br />wrench flat <br />N EVER install the sprinkler by applying the installation Sprinkler <br />wrench across the frame arms. DO NOT overtighten. frame arms <br />ik <br />Use only the designated sprinkler wrenches, Viking <br />Part Numbers 14047W/B* or 14031* . A leak tight seal <br />should be achieved by turning the sprinkler clockwise <br />1 to 1-1/2 turns beyond finger tight. <br />Figure 1: Sprinkler Installation and Proper Wrench Usage <br />** Al2" ratchet is required (Not available from Viking) <br />Form No. F_012116 17.04.20 Rev 17.2 <br />