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R-102 Restaurant Fire Suppression Manua! SECTION 4—SYSTEM DESIGN UL EX3470 ULC EX3470 2014-SEP-01 REV. 11 PAGE 4-61 TANK AND CARTRIDGE REQUIREMENTS For higher total flow numbers (23 to 110), multiple cartridges Once the hazard analysis is completed and the total nozzle flow and regulated actuators are required as shown in the System numbers are established, the quantity and size of agent tanks Selection Guide in"Appendix"Section and cartridges needed to supply the nozzles with the prayer volumes of agent at the proper flow rates can be determined. ACTUATION AND EXPELLANT GAS LINE REQUIREMENTS For cartridges used in the regulated release mechanism, flow This section contains the guidelines for installing the actuation capacities, tank quantities and sizes, and regulated release and expellant gas lines between the regulated release mech- cartridge options are given in the table below. anism regulator, each regulated actuator regulator, and each Total Quantity and Regulated Release agent tank.These limitations should be considered when select- Flow Size of Cartridge Options ing the component mounting locations. Numbers* Tank(s) Nitrogen Carbon Dioxide The actuation gas line is the length of pipe and/or hose that is 1 — 5 (1) 1.5 Gallon LT 20-R 101-10 run from either the AUTOMAN Regulated Release Assembly or the Remote Release Assembly that directs high pressure from 6—11 (1)3.0 Gallon LT-30-R 101-20 the cartridge in the release to actuate one or more additional 11 —16 (1) 1.5 Gallon Double 101-30 Regulated Actuator Assemblies. The actuation gas line can (1)3.0 Gallon consist of 1/4 in. Schedule 40 black iron, chrome-plated, stain- 16—22 (2)3.0 Gallon Double 101-30** less steel, or galvanized steel pipe and fittings, and/or factory 16—22 (2)3.0 Gallon Double — supplied stainless steel braided actuation hose. (Manifold) The expellant gas line is the length of pipe that is run from the 22—33 (3)3.0 Gallon Double — regulator in either the AUTOMAN Regulated Release Assembly When one or more regulated actuators are used, the following or a Regulated Actuator Assembly that directs regulated pres- tank and cartridge combinations apply for each regulated actu- sure to the agent storage tanks to pressurize the tank and ator: discharge the agent. The expellant gas line shall consist of 1/4 Regulated Actuator Regulated Actuator in. Schedule 40 black iron, chrome-plated, stainless steel, or Tank(s) Cartridge galvanized steel pipe and fittings. (1) 1.5 Gallon LT-20-R or 101-10 Actuation Gas Line—6 to 8*Tanks Maximum (1)3.0 Gallon LT-30-R or 101-20 '8 Tank maximum reflects the utilization of 3 tank regulated actuators. (1) 1.5 Gallon and LT-A-101-30 or 101-30**or 1. Use only 1/4 in. Schedule 40 black iron, hot-dipped galva- ( )3.0Gallon double tank (2)3.0 Gallon LT-A-101-30 or 101-30**or nixed, chrome-plated, or stainless steel pipe and fittings. double tank 2. The actuation gas line piping is installed from the regulated (2)3.0 Gallon(Manifold) LT-A-101-30 or Double release mechanism to each regulated actuator connected (3)3.0 Gallon LT-A-101-30 or Double within the system. The total length of the actuation gas line For exceptions to maximum flow numbers,see Distribution Piping Requirements for 1.5 from the regulated release assembly to the regulated actua- gallon and 3.0 gallon Systems in this Section. for assembly(ies)must not exceed 20 ft(6.0 m)when using ••The 101-30 cartridge can not be used when two 3.0 gallon tanks are manifolded together. an LT 20-R, an LT 30-R nitrogen cartridge,or a 101-10 or a 101-20 carbon dioxide cartridge. See Figure 4-121. REGULATED ACTUATOR ASSEMBLY EXPELLANT GAS LINES NOT INCLUDED IN ACTUATION `y GAS LINE LENGTH TOTALS REGULATED ACTUATOR ASSEMBLY ACTUATION GAS LINE WITH AN LT-2o-R, LT 30-R,101-10 OR 101-20 CARTRIDGE MAXIMUM LENGTH OF 20 FT(6.0 m); MAXIMUM NO.OF FITTINGS 9 REGULATED ACTUATOR ASSEMBLY AUTOMAN REGULATED RELEASE ASSEMBLY FIGURE 4-121 coons