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TFP510 Page 7 of 10 meet the requirements of the Design Temperatures for Heated Areas Criteria section. Refer to the Design -- Criteria section for other Important Ambient Temperature (°F 50-F 60-F requirements regarding piping design Exposed to (4 C) (10'C) (16 C) and sealing of the clearance space Discharge End of Sprinkler Minimum Exposed Owel l ength2, mound the Sprinkler Casing. Inches Do not Install any bulb-type sprinkler (mm) if the bulb is cracked or there is a loss 40°F of liquid from the bulb.With the sprin- (4°C) 0 0 0 kler held horizontally,a small air bubble should be present,The diameter of the 30°F air bubble Is approximately 1116 Inch 00c) 0 0 0 118 inch(3,2 mm) (e rating to 20OF for the 286OF(14C) 20 4 0 0 rating, to°c) (too) 10°F 8 1 * A leak-tight 3/4 Inch NPT sprinkler (42°C) (200) (25} 0 joint should be obtained by applying a minimum-to-maximum torque of 0°F 12 3 10 to 20 ft:lbs.(13.4 to 26,8 Nm). (Are) (305) (75) 0 • A leak tight 1 Inch NPT sprinkler -1o°F 14 4 1 joint should be obtained by applying (-23°C) (355) (100) (26) a minimum-to-maximum torque of 20 to 30 ft,-Ibs.(26,8 to 40,2 Nm). -2q°F 14 3 Higher levels of torque can distort the (35Sy (150) (75f sprinkler Inlet with consequent leakage -30°F is a 4 or impairment of the sprinkler. (-34°C) (405) (200) (100) Do not attempt to compensate for -40°F t8 8 4 Insufficient adjustment In an Escutch- (-40°C) (455) (200) (100) eon Plate by under or over-tightening -50°F 20 10 g the sprinkler.Re-adjust the position of the sprinkler fitting to suit. (-48°C) (510) (255) (160) Step 1,Install pendent sprinklers only -60°F 20 10 6 in the pendent position, and install (b1°G) (510) (265) (150) up' ht sprinklers only in the upright position.The deflector of a pendent or otoo: upright sprinkler must be parallel to the t orprotected W"temporatumsthat occur between values4stod above,usatho next ceiling. cooler tomporatm. Tho$ofat�oaratnon,�aroafwtRdvatoosupto3t►nphtis,stm Install horizontal sidewali sprinklers In the horizontal position with their can- TABLE C terline of waterway perpendicular to XPOSED SPRINKLER BARRELS IN INET PIPE SYSTEMS the back wall and parallel to the ceiling. MINIMUM RECOMMENDED LENGTHS Ensure the word`TOP"on the Deflector faces the ceiling. Table C o determine a sprinkler's can occur that might damage the dry- Step 2. With a non-hardening pipe- appropria exposed barrel length to type sprinkler and/or prevent proper. thread sealant such as TEFLON tape prevent w ter from freezing in the con- operation in a fire situation. applied #o the inlet threads, hand- necting pi as due to conduction.The Use of the Model DS8-2 Dry Sprin- tighten the sprinkler into the sprinkler exposed arrel length measurement kler Soot,described In Technical Data fitting. must be ken from the face of the Sheet TFP591 and shown in Figures 14 Stop3. g sprinkler sprinkler tting to the surface of the and 15,can provide the recommended Wrench-tighten hten the s rtnkter structure r Insulation that is exposed seal. using either. to the hea ed area.Refer to Figure 11 • a pipe wrench on the Inlet Band or for an exar riple. Ins#a1la�M the Casing(Ref.Figures 1 and 2) Clearanc Space • the WType 7 Sprinkler Wrench on In accord nce with Section 8.4.9.2 of The TYCO Series DS-1 Dry Type Sprin- the Wrench Flat(Ref.Figure 16) the 2010 ition of NFPA 13,when con- klers,5.6K Pendent,Upright,and Hari- Apply the Wrench Recess of the noting an area subject to freezing and zontal Sidewall,Quick Response(3 mm an area cc alntng a wet pipe sprinkler bulb) and Standard Coverage must W Type 7 Sprinkler Wrench to the system, a clearance space around be installed In accordance with this Wrench Flat. the sprinki r barrel of Dry-Type Sprin- sec�h, klers must be sealed.Due to tempera- General Instructions furs diffe es between two areas,the The Series DS-1 D potential r the formation of conden- ry 1'ype Sprinklers sadon in sprinkler and subsequent must only be Installed in fittings that ice build-u is Increased. If this con- densation i not controlled,Ice build-up I