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TFP181 • Page 2 of 4 Physical Characteristics 1/2" NPT * r SEALING Frame Bronze ASSEMBLY Support Cup Chrome Plated Steel Guide Pins Stainless Steel FRAME �\ Deflector Bronze �� ( / CAP Compression ression Screw Brass I Bulb Glass m Cap Bronze or Copper SUPPORT Sealing Assembly Beryllium CUP WITH I BULB Nickel w/TEFLON ROLL FORMED Cover Plate Brass THREADS Retainer Brass Ejection Spring Stainless Steel I COMPRESSION Design �( SCREW GUIDE r (1{� Criteria PINS(2) i '� ' The TYCO Series RFII 5.6 K-factor, t' „ DEFLECTOR "Royal Flush II" Concealed Pendent �� (DROPPED Sprinklers are intended for fire protec- DEFLECTOR i i i i i POSITION) tion systems designed in accordance with the standard installation rules rec- ognized by the applicable Listing or SPRINKLER/SUPPORT CUP Approval agency;for example, UL List- ASSEMBLY ing is based on NFPA 13 and VdS Ap- I I proval is based on the CEA 4001. THREAD INTO P j RETAINER SUPPORT ) ( WITH THREAD For more information on LPCB and CUP UNTIL lN D O DIMPLES VdS Approvals, contact Tyco Fire Pro- MOUNTING tection Products at the following office: SURFACE IS EJECTION Enschede, Netherlands FLUSH WITH SPRING Telephone: 31-53-428-4444 CEILING Fax:31-53-428-3377 The Series RFII Concealed Pendenti Sprinklers are only listed and approved !ter , with the Series RFII Concealed Cover / Plates having a factory applied finish. SOLDER J COVER TABS(3) COVER PLATE/RETAINER PLATE NOTICE ASSEMBLY Do not use the Series RFII in applica- FIGURE 1 tions where the air pressure above MODEL RFII CONCEALED SPRINKLER the ceiling is greater than that be- ASSEMBLY low. Down drafts through the Sprin- kler/Support Cup Assembly can delay Installation Do not attempt to compensate for in- sprinkler operation in a fire situation. sufficient adjustment in the Sprinkler The TYCO Series RFII 5.6 K-factor, by under- or over-tightening the Sprin- "Royal Flush II" Concealed Pendent kler/Support Cup Assembly. Re-adjust Operation Sprinklers must be installed in accor- the position of the sprinkler fitting to When exposed to heat from a fire, the dance with this section. suit. Cover Plate, normally soldered to the General Instructions Step 1. Install the sprinkler only in the Retainer at three points, falls away topendent position with the center-line expose the Sprinkler/Support Cup Do not install any bulb-type sprinkler if of the sprinkler perpendicular to the Assembly. the bulb is cracked or there is a loss mounting surface. of liquid from the bulb. With the sprin- Step 2. Remove the Protective Cap. The Deflector — supported by the kler held horizontally, a small air bub- Guide Pins — then drops down to its ble should be present. The diameter Step 3. With pipe thread sealant ap- operational position. of the air bubble is approximately 1/16 plied to the pipe threads, hand-tighten inch (1,6 mm)for the 155°F (68°C) and the sprinkler into the sprinkler fitting. The glass bulb contains a fluid that ex 3/32 inch (2,4 mm)for the 200°F(93°C) Step 4. Wrench-tighten the sprinkler pands when exposed to heat. When temperature ratings. using only the RFII Sprinkler Wrench. the rated temperature is reached, the (Refer to Figure 3.) Apply the RFII fluid expands sufficiently to shatter the A leak-tight 1/2 inch NPT sprinkler joint Sprinkler Wrench to the Sprinkler as glass bulb, activating the sprinkler and should be obtained by applying a min- shown in Figure 3. allowing water to flow. imum to maximum torque of 7 to 14 Step 5. Replace the Protective Cap ft.-lbs. (9,5 to 19,0 Nm). Higher levels by pushing it upwards until it bottoms of torque can distort the sprinkler In- out against the Support Cup. (Refer let with consequent leakage or impair- to Figure 4.)The Protective Cap helps ment of the sprinkler. prevent damage to the Deflector and