Laserfiche WebLink
(E) POTTER PS40 Series <br /> The Symbol of Protection Supervisory Pressure Switch <br /> Engineer/Architect Specifications <br /> Pressure Type Waterflow Switch EM" <br /> .Installation must be performed by qualified personnel and in <br /> Pressure type supervisory switches; shall be a Model PS40 as accordance with all national and local codes and ordinances. <br /> manufactured by Potter Electric Signal Company,St.Louis,MO.,and -Shock hazard.Disconnect power source before servicing.Serious <br /> injury or death could result. <br /> shall be installed on the fire sprinkler system as shown and or specified -Read all instructions carefully and understand them before starting <br /> herein. installation.Save instructions for future use. Failure to read and <br /> understand instructions could result in improper operation of <br /> Switches shall be provided with a 1/2"NPT male pressure connection device resulting in serious injury or death. <br /> to be connected into the air supply line on the system side of any shut- -Risk of explosion.Not for use is hazardous locations.Serious injury <br /> off valve. A Model BVL bleeder valve as supplied by Potter Electric or death could result. <br /> Signal Company of St. Louis,MO., or equivalent shall be connected <br /> in line with the PS40 to provide a means of testing the operation of the <br /> supervisory switch.(See Fig.3) CAUTION <br /> The switch unit shall contain SPDT(Form C) switch(es). One switch -Do not tighten by grasping the switch enclosure. Use wrenching <br /> shall be set to operate at 30 psi(2,1 bar)on a pressure decrease. If two flats on the bushing only. Failure to install properly could <br /> switches are provided,the second switch shall be set to operate at a 50 damage the switch and cause improper operation resulting in <br /> damage to equipment and property. <br /> psi(3,5 bar)on a pressure increase. -To seal threads,apply Teflon tape to male threads only. Using <br /> s at 125/250VAC and 2.0 joint compounds or cement can obstruct the pressure port <br /> Switch contacts shall be rated at 10.1 Amps inlet and result in improper device operation and damage to <br /> Amps at 30VDC. The units shall have a maximum pressure rating of equipment. <br /> 300 psi (20,68 bar) and shall be adjustable from 10 to 60 psi (0,7 to -Do not over tighten the device,standard piping practices apply- <br /> Do bar). •Do not apply any lubricant to any component of the pressure <br /> switch. <br /> Pressure switches shall have two conduit entrances, one for each <br /> individual switch compartment to facilitate the use of dissimilar <br /> voltages for each individual switch. Ordering Information <br /> The cover of the pressure switch shall be Weather/UV/Flame Resistant Model Description Stock No. <br /> High Impact Composite with rain lip and shall attach with one tamper <br /> resistant screw. The pressure switch shall be suitable for indoor or PS40-1 Pressure Switch with one set SPDT 1340403 <br /> outdoor service with a NEMA-4/IP66 rating. contacts <br /> The pressure switch shall be UL,ULC,and CSFM listed,FM and LPC PS40-2 Pressure Switch with two sets SPDT 1340404 <br /> approved and NYMEA accepted. contacts <br /> Hex Key 5250062 <br /> BVL Bleeder Valve 1000018 <br /> Optional Cover Tamper Switch Kit 0090200 <br /> Pressure switches have a normal service life of 10-15 years. <br /> However, the service life may be significantly reduced by local <br /> environmental conditions. <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 4 OF 4 <br />