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TFP1020 <br />Page 10 of 20 <br />1. SEE FIGURE 5 PART 3 FOR TRIM ARRANGEMENT WITH BILL OF MATERIALS LOW AIR <br />AND COMPONENT PART NUMBERS. PRESSURE <br />2. TRIM SHOWN FULLY ASSEMBLED; COMPONENTS SUCH AS GAUGES AND ALARM <br />SWITCHES MAY REQUIRE ASSEMBLY IN TRIM AT INSTALLATION. SWITCH SYSTEM <br />/ AIR SUPPLY <br />1/2 INCH NPT SYSTEM 4 INCH (DN100) CONTROL VALVE <br />CONNECTION AIR SUPPLY MODEL DPV-1 (NORMALLY <br />FOR SYSTEM PRESSURE DRY PIPE VALVE OPEN) <br />AIR SUPPLY GAUGE (FxG SHOWN) ®3/4 INCH NPT <br />11NCH NPT\ GAUGE <br />CONNECTION <br />CONNECTION OR GROOVED FOR WATER <br />FOR LOCAL COUPLING <br />MOTOR ALARM <br />SPRINKLER 9 r mil <br />MAIN WATERFLOW <br />3/4 INCH NPT DRAIN VALVE PRESSURE <br />CONNECTION (NORMALLY - S ALARM <br />TO DRAIN / `1� CLOSED) 1/21NCH NPT SWITCH <br />CONNECTION <br />ALARM / \ACCFOR LERAT R <br />TEST VALVE � 2 INCH NPT ACCELERATOR <br />LOW BODY SYSTEM <br />(NORMALLY CONNECTION <br />CLOSED) DRAIN VALVE SYSTEM SHUT-OFF TO DRAIN AUTOMATIC <br />WATER VALVE <br />(NORMALLY SUPPLY (NORMALLY DRAIN VALVE <br />CLOSED) PRESSURE OPEN) 1-1/4 INCH NPT <br />GAUGE CONNECTION DRIP <br />TO DRAIN FUNNEL <br />FIGURE 5 - PART 1 OF 3 <br />4 INCH (DN100) MODEL DPV-1 DRY PIPE VALVE <br />PRE -TRIMMED ASSEMBLY <br />