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TFP181 Page5of6 Installation � Absence of the Cover Plate/Retainer Assembly can delay sprinkler opera- The TYCO Series RFII must be in- As long as the Protective Cap remains tion in a fire situation. stalled in accordance with the follow- in place, the system is considered ing instructions. Out of Service". When properly installed, there is a Step 6.After the ceiling has been com- nominal 3/32 inch(2,4 mm)air gap be- � pleted with the 2-1/2 inch(63,5 mm)di- tween the lip of the Cover Plate and the � ceiling,as shown in Figure 2. Do not instal!any bu/b-type sprink/er if ameter ciearance hole and in prepa- the bu/b is cracked or there is a loss ration for installing the Cover Plate/ This air gap is necessary for proper of liquid from the bulb. With the sprin- Retainer Assembly, remove and dis- operation of the sprinkler. If the ceil- k/er he/d horizontally, a small air bub- card the Protective Cap.Verify that the ing requires repainting after sprinkler b/e shou/d be present. The diameter Deflector moves up and down freely. installation, ensure that the new paint of the air bubb/e is approximately 1/16 If the Sprinkler is damaged and the does not seal off any of the air gap. inch (1,6 mm) for the 755°F/68°C and Deflector does not move up and down Do not pull the Cover Plate relative to 3/32 inch (2,4 mm) for the 200°F/93°C freely, replace the entire Sprinkler. the Enclosure.Separation may result. temperature ratings. Do not attempt to modify or repair a Replace sprinklers that: Obtain a 1/2 inch NPT sprink/er joint damaged sprinkler. Ste 7.When installin • are leaking or exhibiting visible signs by applying a minimum to maximum P g an Air and Dust of corrosion. torque of 7 fo 14 ft.-lbs. (9,5 to 19,0 Seal, refer to Figure 5; otherwise, pro- Nm). Higher levels of torque can dis- ceed to Step 8. To attach the Air and • were modified or over-heated. tort the sprink/er Inlet with consequent Dust Seal, verify the angle of the out- Never paint, plate, coat, or otherwise leakage or impairmenf of the sprink/er. side edge of the seal is oriented ac- alter automatic sprinklers after they Do not attem t to com ensate for in- cording to Figure 5. Start the edge of leave the factory. Never repaint facto- P P the Retainer in the grooved slot of the ry-painted Cover Plates. If necessary, sufficient adjustment in the Sprinkler Air and Dust Seal and continue around replace them with factory-painted by under-or over-tightening the Sprin- the retainer until the entire Air and Dust units. Non-factor a lied kler/Support Cup Assembly Re-adjust Seal is engaged. Y pp paint can the position of the sprinkler fitting to adversely delay or prevent sprinkler suit. Step 8. Screw on the Cover Plate/ operation in the event of a fire. Retainer Assembly until the Retainer Exercise care to avoid dama e to Step 1. Install the sprinkler only in the (shown in Figure 2) or the Air and Dust sprinklers before, during, and after in- pendent position with the center-line Seal (shown in Figure 5) contacts the stallation. Replace sprinklers damaged of the sprinkler perpendicular to the ceiling. Do not continue to screw on by dropping, striking, wrench twisting, mounting surface. the Cover Plate/Retainer Assembly ,Nrench slipping, or the like. Also, re- Step 2. Remove the Protective Cap. so that it lifts a ceiling panel out of its place any sprinkler that has a cracked Step 3. With pipe thread sealant a normal position. If you cannot engage bulb or that has lost liquid from its plied to the pipe threads, hand-tighte the Cover Plate/Retainer Assembly bulb.(Refer to the Installation section.) the sprinkler into the sprinkler fitting. With the Support Cup or you cannot engage the Cover Plate/Retainer As- If you must remove a sprinkler, do not Step 4. Wrench-tighten the sprinkler sembly sufficiently to contact the ceil- reinstall it or a replacement without re- using only the RFII Sprinkler Wrench. ing, you must reposition the Sprinkler installing the Cover Plate/Retainer As- (Refer to Figure 3.) Apply the RFII Fitting. sembly. If a Cover Plate/Retainer As- Sprinkler Wrench to the Sprinkler as sembly becomes dislodged during shown in Figure 3. service, replace it immediately. Step 5. Replace the Protective Cap Care and Responsibility lies with sprinkler own- by pushing it upwards until it bottoms � ers for the inspection, testing, and out against the Support Cup. (Refer Ma�ntenance maintenance of their fire protection to Figure 4.) The Protective Cap helps The T`fC0 Series RFII must be system and devices in compliance prevent damage to the Deflector and maintained and serviced in accordance with this document, as well as with the Arms during ceiling installation and/or finish. You can also use the Protective `Nith the following instructions. applicable standards of the National Cap to locate the center of the clear- Fire Protection Association (for exam- ance hole by gently pushing the ceiling � ple, NFPA 25), in addition to the stan- material up against the center point of Before closing a fire protection sys- dards of any other authorities having the Protective Ca jurisdiction. Contact the installing con- P• tem main control valve formaintenance tractor or sprinkler manufacturer re- work on the fire protection sysfem that garding any questions. it controls, obtain permission to shut down the affected fire protection sys- Automatic sprinkler systems should be tem from ihe proper authorities and no- inspected,tested,and maintained by a tify all personnel who may be affected qualified Inspection Service in accor- by this action. dance with local requirements and/or national code.