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Specifications (Continued) 2.2.4 Regulated Release Mechanism:The regulated 2.2.10 Agent Distribution Hose:An optional agent release mechanism shall be a spring-loaded, distribution hose shall be available for kitchen mechanical/pneumatic type capable of provid- appliances manufactured with or resting on ing the expellant gas supply to one or two agent casters (wheels/rollers).This shall allow the tanks depending on the capacity of the gas appliance to be moved for cleaning purposes cartridge used or three 3.0 gallon (11.4 L) agent without disconnecting the appliance fire storage tanks in certain applications. It shall suppression protection. Hose assembly shall contain a factory installed regulator deadset at include a restraining cable kit to limit the appli- 110 psi (7.6 bar)with an external relief of approx- ance movement within the range(length) of the imately 180 psi(12.4 bar). flexible hose. It shall have the following actuation capabili- 2.2.11 Flexible Conduit:The manufacturer supplying ties: automatic actuation by a fusible link detec- the Restaurant Fire Suppression System shall tion system and remote manual actuation by a offer flexible conduit as an option to rigid EMT mechanical pull station. conduit for the installation of pull stations and/ The regulated release mechanism shall contain or mechanical gas valves.The flexible conduit a release assembly, regulator,expellant gas shall be UL Listed and include all approved hose,and agent storage tank housed in a stain- components for proper installation. less steel enclosure with cover.The enclosure 2.2.12 Pull Station Assembly:The Fire Suppression shall contain knock-outs for 1/2 in.conduit.The System shall include a remote pull station cover shall contain an opening for a visual status for manual system actuation.The pull station indicator. shall be designed to include a built-in guard to It shall be compatible with mechanical gas shut- protect the pull handle.The pull station shall off devices;or,when equipped with a field or also be designed with a pull handle to allow for factory-installed switch(es),it shall be compat- three finger operation and shall be red in color ible with electric gas line or appliance shut-off for quick visibility. devices, or connections to a building fire alarm 3.0 IMPLEMENTATION control panel. 3.1 Installation 2.2.5 Regulated Actuator Assembly:When more than 3.1.1 The R-102 fire suppression system shall be two agent tanks or three agent tanks in certain designed, installed, inspected, maintained, and applications are required,the regulated actua- recharged in accordance with the manufactur- tor shall be available to provide expellant gas er's listed instruction manual. for additional tanks. It shall be connected to the 3.2 Training cartridge receiver outlet of the regulated release 3.2.1 Training shall be conducted by representatives mechanism providing simultaneous agent of the manufacturer. discharge.The regulator shall be deadset at 110 psi (7.6 bar)with an external relief of approximately 180 psi Note:The converted values in this document are for dimensional reference only and do not reflect an actual measurement. (12.4 bar).The regulated actuator assembly shall contain an actuator, regulator, expellant ANSU R-102,and the product names listed in this material are marks and/ or registered marks.Unauthorized use is strictly prohibited. gas hose,and agent tank housed in a stainless steel enclosure with cover.The enclosure shall contain knockouts to permit installation of the expellant gas line. 2.2.6 Discharge Nozzles: Each discharge nozzle shall be tested and listed with the R-102 system for a specific application. Nozzles tips shall be stamped with the flow number designation (1/2, 1,2,or 3). Each nozzle shall have a metal or rubber blow-off cap to keep the nozzle tip orifice free of cooking grease build-up. 2.2.7 Distribution Piping: Distribution piping shall be Schedule 40 black iron, chrome-plated,or stain- less steel conforming to ASTM A120,A53,or A106. 2.2.8 Detectors:The detectors shall be the fusible link style designed to separate at a specific temperature, or shall be electric thermal detec- tors designed to operate at a factory preset temperature. 2.2.9 Cartridges:The cartridge shall be a sealed steel pressure vessel containing either carbon dioxide or nitrogen gas.The cartridge seal shall be designed to be punctured by the releasing device supplying the required pressure to expel wet chemical agent from the storage tank.