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SYSTEM DESIGN The AmlUl R-102 Restaurant Fire Suppression System may be used on a number of different types of restaurant cooking appli- ances and hood and duct configurations. The design information listed in this section deals with the limitations and parameters of this pre-engineered system. Those individuals responsible for the design of the R-102 system must be trained and hold a current Ansul certificate in an R-102 training program. The R-102 and the PIRANHA systems use compatible agents and components, therefore, they may be used together for cooking appliance, hood, and duct protection. The primary ANSUL AUTOMAN Release can be either an R-102 or a PIRANHA ANSUL AUTOMAN Release and can actuate up to two additional R-102 or PIRANHA Regulated Actuators. In systems utilizing a 101 remote release, any combination of the maximum number of regulated actuators can be used. . Both systems must actuate simultaneously. . Each system must be designed and installed per its appropri- ate manual. . Adjacent appliances requiring protection must be protected with the same type of system, either R-102 or PIRANHA, unless the center-to-center spacing between the adjacent R-102 and PIRANHA nozzles is no less than 36 inches. . When appliances are protected with R-102 nozzles, the hood and connecting duct above those appliances cannot be pro- tected with PIRANHA nozzles. . Mixing systems in a common plenum is not allowed. One of the key elements for restaurant fire protection is a correct system design. This section is divided into ten sub-sections: Noz- zle Placement Requirements, Tank Quantity Requirements, Actu- ation and Expellant Gas Line Requirements, Distribution Piping Requirements, Detection System Requirements, Manual Pull Sta- tion Requirements, Mechanical Gas Valve Requirements, Electri- cal Gas Valve Requirements, Electrical Switch Requirements, and Pressure Switch Requirements. Each of these sections must be completed before attempting any installation. System design sketches should be made of all aspects of design for reference during installation. .. NOZZLE PLACEMENT REQUIREMENTS This section gives guidelines for nozzle type, positioning, and quantity for duct. plenum, and individual appliance protection. This section must be completed before determining tank quantity and piping requirements. Duct Protection - Single Nozzle All duct protection is UL listed without limitation of maximum duct length (unlimited length). This includes all varieties of ductworks both horizontal and vertical including ducts that run at angles to the horizontal and ducts with directional bends. The R-102 system uses different duct nozzles depending on the .. size of duct being protected. SECTION IV - SYSTEM DESIGN UL EX. 3470 ULC CEx747 Page 4-1 10-1-02 REV. 5 .. GENERAL INFORMATION 1. Nozzles must be located 2-8 in. (5-20 cm) into the center of the duct opening, discharging up. See Figure 1. 2-8IN. (5-20 em) FIGURE 1 000113 2. In installations where a UL listed damper assembly is employed, the duct nozzle can be installed beyond the 8 in. (20 em) maximum, to a point just beyond the damper assem- bly that will not interfere with the damper. Exceeding the max- imum of 8 in. (20 cm) in this way will not void the UL listing of the system. 3. Previously listed 3 flow number and 5 flow number duct pro- tection detailed in earlier published manual, Part No. 418087- 06, can also still by utilized. DUCT SIZES UP TO 50 IN. (127 cm) PERIMETER! 16 IN. (41 em) DIAMETER . One 1100 nozzle (Part No. 430912) = one flow number . 50 in. (127 em) perimeter maximum . 16 in. (41 cm) diameter maximum DUCT SIZES UP TO 100 IN. (254 cm) PERIMETER! 32 IN. (81.3 cm) DIAMETER . One 2W Nozzle (Part No. 419337) = two flow numbers . 100 in. (254 em) perimeter maximum . 32 in. (81.3 cm) diameter maximum . A 2WH nozzle (Part No. 78078) must be substituted for a 2W nozzle for any installation using Option 2 of the 1.5 gallon sys- tem coverage (duct and plenum protection only). A 2WH nozzle is limited to a maximum of 75 in. (190 cm) perimeter or a maxi- mum diameter of 24 in. (61 cm) of coverage. The chart below shows the maximum protection available from each duct nozzle. Part No. Description 3.0 Gallon System 1.5 Gallon System 2W Nozzle 419337 Maximum Maximum 100 in. (254 cm) 100 in. (254 cm) Perimeter Perimeter 1100 Nozzle 430912 Maximum Maximum 50 in. (127 em) 50 in. (127 em) .. Perimeter Perimeter