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TFP22O Page 5 of 8 Loss Prevention Data Sheets relate to, but are not limited to, hydraulic design, 2 - 7/8" DIA. ceiling slope and obstructions, mini- 112±1/8" (73,0 mm) 1/2" (12,7 mm) mum and maximum allowable spac- (12,7±3,2 mm) 2 - 1/4" DIA. 1/4" (6,4 mm) ing, and deflector -to ceiling distance. FACE OF (57,2 mm) These criteria may differ from UL SPRINKLER 1/8" and /or NFPA criteria, therefore the de- FITTING (3,2 mm) signer should review and become fa- miliar with Factory Mutual require- —_ ��1_, meets before proceeding with design. MOUNTING -- Installation SURFACE �I� MOUNTING The Series EC -11 and EC -14 Sprin- PLATE klers must be installed in accordance CLOSURE with the following instructions: 1 - 3/8" (34,9 mm) NOTES 1 - 1/8" (28,6 mm) Do not install any bulb type sprinkler if the bulb is cracked or there is a loss of liquid from the bulb. With the sprinkler FIGURE 2 held horizontally, a small air bubble SERIES EC -11 AND EC -14 RECESSED PENDENT SPRINKLER ASSEMBLY should be present. The diameter of the WITH TWO -PIECE 1/2 INCH TOTAL ADJUSTMENT (1,6 bubble is the 13 1/t 6 inch STYLE 30 RECESSED ESCUTCHEON 2 inch mm) for the for 28 /1 1 °C inch (2,4 mm) for the 286 °F /141 °C temperature ratings. A 3/4 inch NPT sprinkler joint should be obtained with a minimum to maxi- mum torque of 10 to 20 ft.lbs. (13,4 to 26,8 Nm). Higher levels of torque may - 7/8" DIA. distort the sprinkler inlet with conse- 2 5/8±1/4" -7 ,0 mm) 3/4" (19,1 mm) quent leakage or impairment of the sprinkler. (15,9±6,4 mm) 2 - 1/4" DIA. _ 1/4" (6,4 mm) FACE OF (57,2 mm) Do not attempt to compensate for in- SPRINKLER 1/8" sufficient adjustment in an Escutcheon FITTING (3,2 mm) Plate by under- or over - tightening the Sprinkler. Readjust the position of the sprinkler fitting to suit. ��' Step 1. The sprinkler must be installed =' I � with the deflector parallel to the mount - �� • • _ ing surface. Pendent sprinklers must f pun m il - be installed in the pendent position, MOUNTING 41 MOUNTING and upright sprinklers must be in- SURFACE PLATE I stalled in the upright position. CLOSURE — Step 2. After installing the Style 30, 40, 1 - /8" (34,9 mm) or 60 mounting plate (or other escutch- 7l8" (22,2 mm) eon, as applicable) over the sprinkler pipe threads and with pipe thread sealant applied to the pipe threads, hand tighten the sprinkler into the FIGURE 3 sprinkler fitting. SERIES EC -11 AND EC -14 RECESSED PENDENT SPRINKLER ASSEMBL Step 3. Wrench tighten upright or pen - WITH TWO -PIECE 3/4 INCH TOTAL ADJUSTMENT dent sprinklers using only the W -Type STYLE 40 RECESSED ESCUTCHEON 3 (End A) Sprinkler Wrench. When in- stalling the pendent sprinkler with Style 30, 40, or 60 Escutcheon, wrench tighten the sprinkler using only the W -Type 22 Sprinkler Wrench. The wrench recess of the applicable sprin- kler wrench (Ref. Figure 5 and 6) is to be applied to the sprinkler wrench flats (Ref. Figure 1).