2010 - 00213 - sprinkler system - Laserfiche WebLink

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• General Installation Instructions the bulb supporting cup and the wrenching boss. Do not In steel pipe, the Model F3QR Dry Sprinklers must be replace this wax with a substitute substance.An Alternate installed only in standard (ANSI B 16.3 class 150 and - substance may interfere with proper operation of the ANSI B 16.4 class 125) pipe tees even at branch line sprinkler. Do not clean sprinklers with soap and water, ends. For these and CPVC* Tees, the dry sprinkler ammonia or any other cleaning fluids. Remove dust by should be installed and confirmed to have appropriate using a soft brush or gently vacuuming. Remove any protrusion into the tee in accordance with the figures on sprinkler which has been painted (other than factory pages 2 & 3. Dry sprinklers must not be installed into applied) or damaged in any way. A stock of spare elbows and into pipe couplings located on drop nipples sprinklers should be maintained to allow quick to the sprinklers. The "A' dimension of a dry sprinkler, replacement of damaged or operated sprinklers. Prior to which extends into a freezer from a wet pipe system, installation, sprinklers should be maintained in the original should be selected to provide at least 14" (356mm) cartons and packaging until used to minimize the potential between the freezer's outside wall or ceiling and the wet for damage to sprinklers that would cause improper pipe line. When the temperature inside the freezer will be operation or non-operation. below-30°F(-35°C), increase the 14" to 20" (509mm). 1. Cut the specified size hole (see illustrations) for the sprinkler in the ceiling directly in line with the tee. *Spears CPVC sprinkler adapter tees(with steel thread 2. Apply pipe joint compound to the 1" (25mm) pipe insert) can only be used with horizontal sidewall threads and install sprinkler using the Model G3 or sprinklers which do not require protrusion into tees to G3 R/C Sprinkler Wrench as specified. prevent ice or debris blockage of sprinkler inlets. These 3.Install the push-on escutcheon or coverplate. CPVC tees do not permit sufficient sprinkler inlet P protrusion as required for pendent installation. Note: Installation of the Model F3QR Sprinklers in copper pipe systems is not recommended, as this may reduce the life expectancy of the sprinklers. Model F3QR Concealed and Recessed Installation Instructions • The Model G3 R/C wrench(Fig. 1)is designed to locate on the wrenching pads of the recessed sprinkler while centering in the cup. A standard 1/2" drive ratchet may be used to drive this wrench. Figures 1 and 2 show sequentially the insertion of the wrench.First the wrench, with its jaws above the sprinkler deflector, is moved laterally until centered with the cup. Then raise the wrench inside of the cup until its jaws engage the sprinkler's square wrenching pads (Fig. 3). To remove the wrench,follow this procedure in reverse order. Care should be taken to avoid striking the deflector, with the wrench. • Model G3 Wrench (Fig. 4) is used for installation of Pendent and Horizontal Sidewall sprinklers. • Glass bulb sprinklers have orange bulb protectors to minimize bulb damage during shipping, handling and installation.REMOVE THIS PROTECTION AT THE TIME THE SPRINKLER SYSTEM IS PLACED IN SERVICE FOR FIRE PROTECTION. Removal of the protectors before this time may leave the bulb vulnerable to damage. RASCO wrenches are designed to install sprinklers when covers are in place. REMOVE PROTECTORS BY UNDOING THE CLASP BY HAND. DO NOT USE TOOLS TO REMOVE THE PROTECTORS. Maintenance The Model F3QR Quick Response Dry Sprinklers should be inspected quarterly and the sprinkler system maintained in accordance with NFPA 25. Do not remove the factory applied thermally sensitive wax fillet between 5.