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POTTER PS10 SERIES <br /> The Symbol of Protection PRESSURE SWITCH <br /> Dimensions Switch Clamping Plate Terminal <br /> Fig. I t Fig.2 <br /> F47 <br /> GROUND <br /> I 2 <br /> m .87 <br /> m- SCREWS <br /> ---f <br /> ADJUSTMENT 172.97]� <br /> KNOB PEN 4.22 <br /> —11 [107.19] DWG#923-3 <br /> 1/2"NPT 0 <br /> 2.48 1.60 TI NT I <br /> (62.87] [40.64] ON <br /> 3.78 3.20 An uninsulated section of a single conductor <br /> [95.891 (81.281 should not be looped around the terminal and <br /> serve as two separate connections. The wire <br /> NOTE:To prevent leakage,apply Teflon tape sealant to male threads only. must be severed,thereby providing supervision <br /> of the connection in the event that the wire <br /> DWG#930-1 becomes dislodged from under the terminal. <br /> Typical Sprinkler Applications <br /> Fig.3 <br /> WET SYSTEM WITH WET SYSTEM WITHOUT DRY SYSTEM <br /> EXCESS PRESSURE EXCESS PRESSURE <br /> PS10 <br /> WATER WATER PS10 PS10 WATER <br /> MOTOR MOTOR MOTOR <br /> WATER MOTOR MOTOR O� <br /> '0 GONG <br /> GONG GONG GONG <br /> REVS CHECK <br /> WET REVS DRY VALVE REVS <br /> RE WET REVS <br /> SYSTEM VALVE <br /> VS <br /> ALARM <br /> SYSTEM ALARM <br /> SYSTEM K ALARM CHECK <br /> C.'- <br /> VALVE CHECK RETARD VALVE <br /> VALVE <br /> WATER WATER WATER <br /> BY-PAS BY-PASS <br /> OS&Y BY-PASS <br /> VALVE S S <br /> VALVE VALVE OS&Y BY-PAS <br /> VALVE VALVE VALVE VALVE <br /> DWG.ff923-2AA <br /> A CAUTION <br /> Closing of any shutoff valves between the alarm check valve and the PS 10 will render the PS 10 <br /> inoperative.To comply with NFPA-72 any such valve shall be electrically supervised with a <br /> supervisory switch such as Porter Model RBVS. <br /> Low Pressure Signal Connection Waterflow Signal Connection Local Bell For Waterflow Connection <br /> Fig.4 Fig.5 Fig.6 <br /> TO FIRE ALARM PANEL TO FIRE ALARM PANEL NEGATIVE DC <br /> OR NEUTRAL AC <br /> BELL <br /> POSITIVE DC LINE LOAD <br /> ORHOTAC <br /> 0 0 0 0-L <br /> fc 0@ <br /> D.&91 1 DWG4 9 3 <br /> PRINTED IN USA NEG.#5400928-REV D-I PAGE 2 OF 3 <br /> 12/10 <br />