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<br />DISTRIBUTION PIPING REQUIREMENTS (Continued) <br /> <br />Supply and Branch Line identification <br /> <br />The R-102 distribution piping network is broken down into four <br />specific pipe runs: the Supply Line, the Duct Branch Line, <br />the Plenum Branch Line, and the Appliance Branch Line. See <br />~ Figure 77. <br /> <br />DUCT <br />BRANCH LINE ~ <br /> <br />SUPPLY <br />LINE <br /> <br /> <br />~ <br /> <br />j:J <br /> <br />o <br /> <br />PLENUM <br />BRANCH LINE <br /> <br />APPLIANCE <br />BRANCH LINE <br /> <br />NOTE: THIS IS A CONCEPTUAL DRAWING ONLY. <br />THIS IS NOT AN ACTUAL INSTAUAIlON. <br /> <br />~ <br /> <br />AGURE n <br />00077ll <br /> <br />NOTE: THESE ARE EXAMPLES ONLY. OTHER CONFIGURATIONS CAN BE DESIGNED. <br /> <br />END OF <br />SUPPLY LINE <br /> <br />END OF <br />SUPPLY LINE <br /> <br /> <br />SECTION IV - SYSTEM DESIGN <br />UL EX. 3470 ULC CEx747 Page 4-43 <br />10-1-02 REV. 3 <br /> <br />~ SUPPLY LINE <br /> <br />The Supply Line is defined as the length of pipe which runs from <br />the agent tank outlet to the last branch line (whether a duct, appli- <br />ance, or plenum branch line). This includes all supply line fittings <br />except for the tees or elbows leading to the branch lines. See <br />~ Figures nand 78. <br /> <br />\ 0" <br />..- : <br />. ! <br />,._ot <br />,.' i <br />t <br /> <br /> <br />END OF <br />SUPPLY LINE <br /> <br />i <br /> <br />~... .... <br />--. i <br /> <br />i <br /> <br />I l..", <br />j..t + <br />,. . <br />i <br /> <br />-~ <br /> <br />END OF <br />SUPPLY LINE <br /> <br /> <br />SUPPLY <br />LINE TEE <br /> <br />(NOZZLES FOR <br />PLENUM <br />PROTECTION) <br /> <br /> <br />BRANCH LINE CANNOT <br />START AHEAD OF A <br />SUPPLY LINE TEE <br /> <br />~ <br /> <br /> <br />(NOZZLES FOR <br />PLENUM <br />PROTECTION) <br />BRANCH LINE CANNOT <br />START AHEAD OF A <br />SUPPLY LINE TEE <br /> <br />FIGURE 78 <br />00Cl780 <br />