TotalPacÂ®2 Dry - FIREFLEX SYSTEMS

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Page 10 of 14TOTALPAC2TOTALPAC2 Integrated Fire Protection SystemMechanical Section - Dry Pipe System2 - Standard Dry Pipe System2.1 GeneralThe TOTALPAC2 Dry Pipe System with the Viking Dry PipeTrim utilizes a Viking Dry Valve (A1). The system piping fromthe Dry Pipe Valve to the fusible sprinklers is filled withpressurized air or nitrogen.Dry Pipe TOTALPAC2 Systems are commonly used to protectunheated structures or areas where the system is subject tofreezing conditions.Note: The TOTALPAC2 Trim is provided with a contractor'shydrostatic test water supply port handily located on the trim(see trim schematic for exact location). Simply remove theplug of the Tee connection and connect the test pumpbetween this port and the system side port located on the airtrim (refer to AIR SUPPLY SECTION for exact location).2.2 Normal condition.1 Valves:.a Water supply control valve (D1) OPEN..b Every water supply control valves situatedupstream shall be OPEN.c Priming level test valve (B1) CLOSED..d Main drain valve (D3) CLOSED..e Alarm test valve (B5) CLOSED..f Air supply valve (E10) OPEN. (See AIR OPTIONSECTION)..g Pressure gauges valves are OPEN..2 Pressure gauges:.a Water supply (B12) = pressure of water supply..b Air pressure (B13) = As per Table 1 below..3 Pressure switches:.a Low / high air supervisory switch (E2) : as perTable 1 below..b Alarm switch (C1) - should operate when pressureis equal or above 5 psi.TABLE 1MaximumAir Pressure SettingWater Pressure Minimum MaximumPSI kPa PSI kPa PSI kPa50 345 15 103 25 17275 517 20 138 30 207100 690 25 172 35 241150 1034 35 241 45 310175 1207 40 310 50 345REFER TO TRIM SCHEMATIC.FM-086G-0-26C
TOTALPAC2 Page 11 of 14Trim Schematic:TOTALPAC2 Integrated Fire Protection SystemStandard Dry Pipe SystemMechanical Section - Dry Pipe SystemTrim Components:A. Valve:A1 Dry valveB. Dry Valve Trim:B1 Priming / water level test valveB2 N/AB3 1/16" Restricted orificeB4 N/AB5 Alarm test valveB6 N/AB7 Drip check valveB8 Drain check valveB9 N/AB10 N/AB11 N/AB12 Water supply pressure gauge & valveB13 N/AB14 N/AB15 7/32" Restricted orificeC. Water Flow Alarm Equipment:C1 Alarm pressure switchC2 Connection to water motor gong (strainer suppliedby contractor)C3 Hydraulic alarm cut-off valveD. Valve:D1 Water supply control valveD2 N/AD3 Main drain valveE. Supervisory Air Supply:E3 Air supply pressure gaugeE4 Air supervisory pressure switch(See AIR SUPPLY SECTION for additional details)NOTE1. Plug cap to optional accelerator2. Location of main drain valve (D3) on 3" diam.system.FM-086G-0-26C
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Page 26 and 27: Page 4 of 144. To drain the Air Sup
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TotalPacÂ®2 Dry - FIREFLEX SYSTEMS

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