installation instruction - flexdropflexdrop.net/img/flexdrop.pdf · tel. 1-201-568-4900 fax....

2
TEL. 1-201-568-4900 FAX. 1-201-568-4933 E-mail : [email protected] Website : www.Flexdrop.net ® FAST & EASY INSTALLATION SAVINGS IN TIME & MONEY PROVEN SAFETY FM APPROVED, UL 2443 LISTED INSTALLATION INSTRUCTION 1. Determine the place where the sprinkler head will be located. The standard bar is 700 mm (28 inch) long and shall be mounted on the 600 mm (24 inch) ceiling grid. The sprinkler should be located as close as possible to the center of the distance between ceiling grids. 2. Slide reducer bracket onto the cross support bar. Loosely attach the reducer bracket and two clamps on the support bar and place clamps onto ceiling grid so that the support bar crosses the location where the sprinkler will be located. 3. Separate nipple (if necessary) from the flexible hose and attach the nipple onto the branch line. Make sure that the arrow is in the appropriate direction of flow to the sprinkler and to use pipe thread sealant at the connection to the branch line. Attach one end of the flexible hose on to the nipple and tighten the slip nut to maximum torque of 25 ft-lb. Do not twist the flexible hose. 4. Bend the flexible hose into a curve that locates the sprinkler reducer at the other end of the flexible hose in the area where the sprinkler will be located. The tube arc should not be twisted and arc should be as large and smooth as possible. The minimum bending radius is 3 inch (76 mm). 5. Insert the sprinkler reducer into bracket. Locate the reducer bracket and sprinkler reducer where the sprinkler will be, and loosely tighten the butterfly bolts on the bracket. 6. Attach the sprinkler to the sprinkler reducer. Put wrench on the sprinkler reducer to counteract the tightening torque and prevent the flexible hose from twisting. Reference the sprinkler manufacturer's sprinkler data sheet for appropriate sprinkler tightening torque, sprinkler wrench and other guidance. 7. Verify that the sprinkler reducer is seated in the reducer bracket, precisely locate the sprinkler in all three axis in accordance with the sprinkler manufacturer's data sheet. Tighten all butterfly bolts and hex bolt on clamps and bracket. The torque requirements for butterfly bolts are minimum 40 in-lb and maximum 50 in-lb. Torque for hex nut is 20 in-lb. 8. After tightening all the bolts, verify that the sprinkler is properly located in accordance with the manufacturer's instruction. If not, loosen the butterfly bolts and readjust as required.

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  • TE

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    1.D

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    stan

    dard

    bar

    is 7

    00 m

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    28 in

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