916 PACIFIC AVE BASE FILE 2025-07-15

At normal temperatures, the glass bulb contains the fluid Model F1 FR Series sprinklers must be installed with the in both the liquid and vapor phases. The vapor phase can Reliable sprinkler installation wrench identified in the Design be seen as a small bubble. As heat is applied, the liquid and Installation Information table in this Bulletin. Any other expands, forcing the bubble smaller and smaller as the liq- wrench may damage the sprinkler. A leak tight sprinkler joint uid pressure increases. Continued heating forces the liquid can be obtained with a torque of 8 to 18 lb-ft(11 to 24 N-m). to push out against the bulb, causing the glass to shatter, Do not tighten sprinklers over the maximum recommended opening the waterway and allowing the deflector to distrib- installation torque. Exceeding the maximum recommended ute the discharging water. installation torque may cause leakage or impairment of the Model F1 FIR Series sprinklers provide a wide range of op- sprinkler. tions where quick-response, glass bulb sprinklers are used: Recessed Sprinklers • Pendent, recessed pendent, upright, horizontal side- Model F1 FIR Series Recessed sprinklers are to be installed wall, and vertical sidewall deflectors as shown in Fig. 1, Fig.2,or Fig.3, as applicable to the spe- • K-factors of 2.8 (40 metric), 4.0 (57 metric), 4.2 (60 cific model being installed.The Recessed Escutcheon Data metric), and 5.6 (80 metric) table in the Bulletin identifies the only recessed escutcheons • Flush, recessed, and concealed installations that are permitted to be used with each Model F1 FIR Series See the Design and Installation Information table in this Recessed sprinkler.The use of any other recessed escutch- Bulletin for information on the approvals and availability of eon will void all approvals and negate all warranties. specific Model F1 FIR series sprinkler configurations. Concealed Sprinklers Model F1 FR Recessed Pendent and Recessed Horizon- Model F1 FR Series Concealed Pendent sprinklers are to tal Sidewall sprinklers are required to be used with Reliable be installed as shown in Fig.4 or Fig. 5, as applicable to the Model F1, F2, or FP recessed escutcheons. See the Re- selected cover plate. Model F1 FR56 Concealed Pendent cessed Escutcheon Data table in this Bulletin for listing and and Model F1 FR56LL Concealed Pendent sprinklers have approval information with each specific Model F1 FR series a factory-installed Model CCP cup. A protective cap is in- sprinkler. Model F1 and F2 recessed escutcheons,shown in stalled at the factory that should remain on the sprinkler until Fig. 1 and 3, are a friction fit assembly allowing for 3/4-inch the sprinkler is installed and should then be reinstalled on (19mm) and 1/2-inch (12.7mm)of adjustment, respectively. the sprinkler until the cover plate is installed.The concealed Model FP recessed escutcheons, shown in Fig. 2, provide a sprinkler assemblies are completed by the installation of a 1/2-inch(12.7mm)threaded adjustment. Model CCP push-on/thread-off cover plate assembly. The Model F1 FR56 Concealed Pendent and Model F1 FR56LL cover plate and sprinkler cup assemblies are joined using Concealed Pendent sprinklers are required to be used with a cover plate skirt with flexible tabs for threaded engage- Model CCP cover plates.A standard profile Model CCP cov- ment. A choice of two Model CCP cover plate assemblies er plate is available that provides up to 1/2-inch(12.7mm)of provides either 1/2-inch (13mm) or 5/8-inch (8mm)of cover cover plate adjustment. In addition, a low profile Model CCP adjustment. Do not install Model F1 FR Series Concealed cover plate is also available that provides up to 5/16-inch Pendent sprinklers in ceilings which have positive pressure (8.Omm) of cover plate adjustment. See the Design and In- in the space above. stallation Information and Listed and Approved Temperature Model F1FR Series Concealed Pendent sprinklers require a Ratings tables in this Bulletin for further information on ap- 2-5/8-inch (67mm) diameter hole to be cut in the ceiling. The proved cover plate options. Model RC1 wrench is used to engage the sprinkler wrenching Application surfaces and to install the sprinkler in the fitting. Remove the Model F1 FR Series sprinklers are intended for use in protective cap to install the sprinkler,then reinstall the protective accordance with NFPA 13, FM Property Loss Prevention cap until the cover plate is installed. When inserting or remov- Data Sheets, and the requirements of the Authority Hav- ing the wrench from the sprinkler/cup assembly,care should be ing Jurisdiction. Care must be exercised that the k-factor, taken to prevent damage to the sprinkler. Do not wrench any temperature rating, deflector style, and sprinkler type are other part of the sprinkler/cup assembly. Installation is com- in accordance with the requirements of the applicable pleted by removing the protective cap from the sprinkler and design and installation standards. In addition, Model pushing the cover plate onto the cup. Final adjustment is made F1 FIR Series sprinklers must be used in accordance with by hand turning the cover plate until the skirt flange makes full their listings and approvals, as well as the information contact with the ceiling.Cover plate removal requires turning the provided in this Bulletin. cover plate in the counter clockwise direction.After installation, Installation inspect all sprinklers to ensure that there is a gap between the Glass bulb sprinklers have orange bulb protectors or pro- cover plate and ceiling and that the four cup slots are open and tective caps to minimize bulb damage during shipping,han- free from any air flow impediment to the space above. dling and installation. Reliable sprinkler installation wrench- Concealed cover plate/cup assemblies are listed only for es are designed to install sprinklers with bulb protectors in use with specific sprinklers.The use of any concealed cover place. Remove the bulb protector at the time when the sprin- plate/cup assembly other than the Reliable Model CCP with kler system is placed in service for fire protection. Removal Model F1 FR56 Concealed Pendent and Model F1 FR56LL of the bulb protector before this time may leave the bulb vul- Concealed Pendent sprinklers or the use of the Model CCP nerable to damage. Remove bulb protectors by undoing the Concealed cover plate assembly on any sprinkler with which clasp by hand. Do not use tools to remove bulb protectors. it is not specifically listed my prevent good fire protection and will void all guarantees,warranties, listings and approvals. 2.