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TFP181 Page 5 of 6 /nstallation � 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 in instructions. "Out of Service". When properly installed, there is a 9 nominal 3/32 inch(2,4 mm)air gap be- Step 6.After the ceilina has been com- tween the lip of the Cover Plate and the a pleted with the 2-7/2 inch(63,5 mm)di- ceiling,as shown in Figure 2. Do no:'rnstal!an�',�Ulb-t)ip�sprinl;le:� i' amete� clearance hole and ir, prepa- the bulb is cracked or there is a loss ration ior installing the Cover Plate/ This air gap is necessary for proper of Irquid from th,e bulb. lh!%th the srrin- �etair,er Assembly, remove and uis- operation of the sprinkler. If the ceil- kler held horizontally, a small air bub- card the Protective Cap.Verity that the ing requires repainting after sprinkier ble should be resent. The diameter Deflector moves up and down freely. installation, ensure that the new paint P does not seal off any of the air gap. of the air bubble is approximately 1/16 If the Sprinkler is damaged and the inch (1,6 mm) for the 155°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: damaged sprinkler. Obtain a 1/2 inch NPT sprinkler joint • are leaking or exhibiting visible signs by applying a minimum to maximum Step 7.When installing an Air and Dust of corrosion. torque of 7 to 14 ft.-Ibs. (9,5 to 19,0 Seal, refer to Figure 5; otherwise, pro- Nm). Higher leve/s of torque can dis- ceed to Step 8. To attach the Air and • were modified or over-heated. tort the sprinkler Inlet with consequent Dust Seal, verify the angle of the out- Never paint, plate, coat, or otherwise leakage or impairment of the sprinkler. side edge of the seal is oriented ac- alter automatic sprinklers after they cording to Figure 5. Start the edge of leave the factory. Never repaint facto- Do not attempt to compensate for in- 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-factory applied paint can kler/Support Cup Assembly. Re-adjust Seal is engaged. adversely delay or prevent sprinkler the position of the sprinkler fitting to Step 8. Screw on the Cover Plate/ operation in the event of a fire. suit. Retainer Assembly until the Retainer Step 1. Install the sprinkler only in the (shown in Figure 2)or the Air and Dust Exercise care to avoid damage to pendent position with the center-line Seal (shown in Figure 5) contacts the sprinklers before, during, and after in- of the sprinkler perpendicular to the ceiling. Do not continue to screw on stallation.Replace sprinklers damaged mounting surface. the Cover Plate/Retainer Assembly by dropping, striking, wrench twisting, so that it lifts a ceilin anel out of its Wrench slipping, or the like. Also, re- Step 2.Remove the Protective Cap. 9 p place any sprinkler that has a cracked Ste 3. With i e thread sealant a normal position. If you cannot engage bulb or that has lost liquid from its plied to the pipe hreads, hand-tight n the Cover Plate/Retainer Assembly bulb.(Refer to the Installation section.) the sprinkler into the sprinkler fitting. W�th 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 Maintenanee maintenance of their fire protection to Figure 4.)The Protective Cap helps The TYCO 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 N,�th the following instructions. applicable standards of the National finish. You can also use the Protective Fire Protection Association (for exam- Cap to locate the center of the clear- � ple; NFPA 25), in addition to the stan- ance hole by gently pushing the ceiling dards of any other authorities having material up against the center point of Before closing a fire proteciion sys- jurisdiction.Contact the installing con- the Protective Cap. tem main conirol valve for maintenance tractor or sprinkler manufacturer re- work on the fire protection system that garding any questions. it controls, obtain permission to shut down the affected fire protection sys- Automatic sprinkler systems should be tem from the properauthorities and no- inspected,tested,and maintained by a tify al/personne/who may be affected qualified Inspection Service in accor- by this action. dance with local requirements and/or national code.