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CP� POTTER PS10 SERIES <br /> The Symbol of Protection PRESSURE SWITCH <br /> One Conduit Wiring Switch Operation Removing Knockouts <br /> Fig.7 Fig.8 Fig.9 <br /> Break out thin section of divider to provide path for wires Terminal W/PRESSURE APPLIED <br /> C:Common NC <br /> when wiring both switches from one conduit entrance. 1: Closed when installed <br /> under normal system c <br /> pressure. <br /> R 0 0 2: Open when installed xo <br /> under normal system <br /> pressure.Closes on c <br /> ® ° ° <br /> pressure drop.Use for D <br /> low pressure <br /> supervision. <br /> -------------------------------- <br /> Terminal W/O PRESSURE APPLIED <br /> 1: Open with no pressure xc <br /> supplied.Closes upon c <br /> detection of pressure. <br /> Use for waterflow <br /> indication. <br /> 2: Closed with no DWG#928-5 <br /> DWG#928-4 c � z <br /> pressure applied. <br /> DWGN928-b <br /> WARNIN A CAUTION <br /> •Installation must be performed by qualified personnel and in -Do not tighten by grasping the switch enclosure.Use wrenching <br /> accordance with all national and local codes and ordinances. flats on the bushing only.Failure to install properly could damage <br /> -Shock hazard.Disconnect power source before servicing. the switch and cause improper operation resulting in damage to <br /> Serious injury or death could result. equipment and property. <br /> -Read all instructions carefully and understand them before -To seal threads,apply Teflon tape to male threads only. Using <br /> starting installation.Save instructions for future use.Failure to joint compounds or cement can obstruct the pressure port inlet <br /> read and understand instructions could result in improper and result in improper device operation and damage to equipment. <br /> operation of device resulting in serious injury or death. -Do not over tighten the device,standard piping practices apply. <br /> -Risk of explosion.Not for use is hazardous locations.Serious <br /> injury or death could result. <br /> Engineer/Architect Specifications Pressure Type <br /> Waterflow Switch <br /> Pressure type waterflow switches;shall be a Model PSI 0 as Pressure switch shall have one or two form C contacts,switch contact <br /> manufactured by Potter Electric Signal Company,St Louis MO., rating 10.1 Amps at 125/250 VAC,2.0 Amps at 30 VDC. <br /> and shall be installed on the fire sprinkler system as shown and or Pressure type waterflow switches shall have two conduit entrances <br /> specified herein. one for each individual switch compartment to facilitate the use of <br /> Switches shall be provided with a 1/2"NPT male pressure connection dissimilar voltages for each individual switch. <br /> and shall be connected to the alarm port outlet of,Wet Pipe Alarm The cover of the pressure type waterflow switch shall be Zinc die-cast <br /> Valves,Dry Pipe Valves,Pre-Action Valves,or Deluge Valves.The with rain lip and shall attach with one tamper resistant screw.The <br /> pressure switch shall be actuated when the alarm line pressure reaches Pressure type waterflow switch shall be suitable for indoor or outdoor <br /> 4-8 PSI(0,27-0,55 BAR). service with a NEMA 4/IP55 rating. <br /> Pressure type waterflow switches shall have a maximum service The pressure type waterflow switch shall be UL Ulc and CSFM listed, <br /> pressure rating of 300 PSI(20,68 BAR)and shall be factory adjusted FM and LPC approved and NYMEA accepted. <br /> to operate on a pressure increase of 4-8 PSI(0,27-0,55 BAR) <br /> PRINTED IN USA MFG.#5400928-REV D PAGE 3 OF 3 <br /> 1/08 <br />