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(E) POTTER Permit#: FA2408-007 40 Series <br /> The Symbol of fttectio Site Address: 3003 W Casino Rd BLDG 40-87 Pressure Switch <br /> Applicant: Alexander GOW(ELEC) Equip Co ` <br /> Application Date: 08/28/2024 EVERETT <br /> Features Description: Monitor Sprinkler System in the Everett Fire Dept.Permit Review <br /> 40-87 BLDG. status:approved <br /> own <br /> • One or two switch models available Review Date: 09/03/2024 Reviewed By: 48 00 <br /> 09/03/2024 2:48:00 <br /> • Independent switch adjustment on two switch models,no tools P �O I-�ER PM <br /> needed L ® rbe symbol of Proteono' <br /> C E St.Louis,Missouri <br /> SIGNALING a',`„p'm Model Number �8 <br /> • Two 1/2"conduit/cable entrances 9� Psao-2 <o ago <br /> • Separate isolated wiring chambers SUPERVISORY <br /> • Non-corrosive pressure connection <br /> • Non-Conductive Enclosure <br /> • Vds version available <br /> This document contains important information on the installation <br /> and operation of PS40 pressure switches.Please read all instructions SIGNALING s (LPC)B <br /> carefull before be innin installation. A co of this document is OOC E Y g g pY C L US e� w FMrequired by NFPA 72 to be maintained on site. LISTED <br /> APPROVED <br /> Installation Technical Specifications <br /> The Potter PS40 Series Supervisory Pressure Actuated Switches are Two knockouts for 1/2"conduit provided.Individual switch <br /> designed primarily to detect an increase and/or decrease from normal Conduit Entrances compartments and ground screw suitable for dissimilar voltages <br /> system pressure in automatic fire sprinkler systems.Typical applications SPDT(Form C) <br /> are:air/nitrogen supervision in dry pipe and pre-action systems,pressure Contact Ratings 10.1 Amps at 125/250 VAC,2.0 Amps at 30 VDC <br /> tanks,air supplies,and water supplies.The PS40-1 has one switch and One SPDT in PS40-1,Two SPDT in PS40-2 <br /> is factory set to activate at approximately 30 psi(2,1 bar)on a decrease <br /> Cover Tamper Cover incorporates tamper resistant fastener that requires a special <br /> in pressure.The PS40-2 has two switches.The Low switch is factory set p key for removal. One key is supplied with each device. <br /> to activate at approximately 30 psi(2,1 bar)on a decrease in pressure. <br /> The High switch is factory set to activate at approximately 50 psi(3,5 Differential 4 lbs at 60 psi Typical 1 lb. 10 psi(,07 a) bar) <br /> (,28 at 4,1 bar) <br /> bar)on an increase in pressure.NFPA 72 requires a supervisory signal <br /> if the pressure increases or decreases by 10 psi from normal.The PS40 Dimensions 3.78"(9,6cm)wx3.20"(8,lcm)Dx4.22"(10,7cm)H <br /> is factory set for a normal air pressure of 40 psi. See section heading Cover:weather/UV/Flame Resistant High Impact composite <br /> Adjustments and Testingif other than facto set point is required. Enclosure sale:Die cast <br /> � n' p q All parts have corrosion resistant finishes <br /> 1. Connect the PS40 to the system side of any shutoff or check valve. -400 F to 140OF(400C to 60°C) <br /> Environmental <br /> 2. Apply Teflon tape to the threaded male connection on the device. Limitations NEMA 4/IP66 Rated Enclosure indoor or outdoor when used with <br /> (Do not use pipe dope) NEMA 4 conduit fittings <br /> PS40-1 operates on decrease at 30 psi(2,1 bar) <br /> 3. Device should be mounted in the upright position. (Threaded Factory Adjustment PS40-2 operates on increase at 50 psi(3,5 bar)and on decrease at <br /> connection down) 30 psi(2,1 bar) <br /> 4. Tighten the device using a wrench on the flats on the device. Maximum System 300 psi(20,68 bar) <br /> Pressure <br /> Pressure Connection Nylon 1/2"NPT male <br /> Pressure Range 10-60 psi(,7-4,1 bar) <br /> Service Use NFPA 13,13D,13R,72 <br /> *Specifications subject to change without notice. <br /> Potter Electric Signal Company, LLC St. Louis, MO Phone: 866-956-0988 / Canada 888-882-1833 www.pottersignal.com <br /> 5400930-REV H • 2/20 PAGE 1 OF 4 <br />