2015-00434 (fire system-sprinkler system)

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Application and Installation The RFC30, RFC43 and RFC49, for residential instal- When inserting or removing the wrench from the sprin- lations, use a 165°F (74°C) fusible solder link in a tun- kler/cup assembly, care should be taken to prevent dam- ing fork style sprinkler frame with a drop-down deflector. age to the sprinkler. DO NOT WRENCH ON ANY OTHER This assembly is recessed into the ceiling and conceafed PART OF THE SPRINKLER/CUP ASSEMBLY. MODEL by a flat cover plate. The cover plate is attached to the RFC30, RFC43 AND RFC49 CONCEALED SPRINKLERS skirt, using 135°F(57°C)ordinary temperature classifica- MUST BE INSTALLED ONLY WITH 135°F RATED COV- tion solder.When the ceiling temperature rises, the solder ERS. holding the cover plate releases the cover allowing the Note:A leak tight Y2" NPT(R1/2)sprinkler joint can be ob- deflector to drop into position and exposing the sprinkler tained with a torque of 8-18 ft-ibs (10,8- 24,4 N-m). Do not inside to ceiling temperature. The subsequent operation tighten sprinklers over maximum recommended torque. It of the solder link opens the waterway and causes the de- may cause leakage or impairment of the sprinklers. flector to drop into position to distribute the discharging Cover assemblies provide up to '/2" (13mm) of adjust- water in a hemispherical pattern below the sprinkler de- ment. Turn the cover clockwise until the flange is in con- flector. Any adjustment of thread engagement between tact with the ceiling. For the push-on/thread-off option, the cover plate and cup will assure that the drop-down the cover assembly is pushed onto the cup and final ad- deflector is properly located below the ceiling. The resi- justment is made by turning the cover clockwise until the dential distribution pattern contains a finer droplet size skirt flange makes full contact with the ceiling. Cover re- than a standard sprinkler, and the pattern produces sig- moval requires turning in the counter-clockwise direction. nificantly higher wall wetting. In ceilings that have a plenum space above the After a 25/a inch diameter hole is cut in the ceiling, the sprinkler,the plenum space may have neutral or neg- sprinkler is to be installed with the Model FC Wrench. ative pressurization but must not be positively pres- When installing a sprinkler, the wrench is first positioned surized. Inspect all sprinklers after installation to en- into the sprinkler/cup assembly and around the hexago- sure that the gap between the cover plate and ceiling nal body of the sprinkler frame. The Wrench must bottom and the 4 slots in the cup are all open and free from out against the cup in order to ensure proper, safe instal- any air flow impediment. lation. The sprinkler is then tightened into the pipe fitting. Thread Nominal Sprinkler CCP Assembly Max. Max. Model Size Orifice Temp Ratin Tem Ratin Ambient SIN g p' g Tem K Pressure � � Inch (mm} Inch(mm) oF °C °F °C ,F ; p o� Factor psi(bar) RFC 30 ! (RA0611) ��? ��5) 2VE<(g,2) 165 74 135 57 100 38 3.0(43.2) 175(12) RFC 43 (RA0612) '�Z��15) �/s(10) 165 74 135 57 100 38 4.3(62) 175(12) RFC 49 (RA0616) '��15) '/,s(11) 165 74 135 57 100 38 4.9(70.6) 175(12) Note: 1 bar= 100 Kpa RFC 30 -- - -.....--- ---- Ordinary Temp. Rating Max. Coverage 165°F/74°C Top of Deflector Minimum area Max. Spacing � � to Ceiling �nstallation Spacing Ft x Ft(m x m) Ft(m) Flow Pressure Inch(mm) Type � Ft(m) GPM(Umin) PSI (bar) 12 x 12(3,6 x 3,6) 12(3,6) 9(34,1) 9.0(0,62) Smooth Ceilings'h to 1(13 to 25.4) ---------- - ---- -- Beamed Ceilings per NFPA 13D, 13R or Concealed 8(2,4) 14 x 14(4,3 x 4,3) 14(4,3) 10(37,8) 11.0(0,76) 13 installed in beams Yz to 1(13 to 25.4) _.._ _..-— — —... - - — -- - For Ceiling types refer to NFPA 13, 13R or 13D 2.