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V S R <br /> POTTER VANE TYPE WATERTLOW <br /> x. The Symbol of Protection ALARM SWITCH WITH RETARD <br /> UL,CULand CSFIVI Listed,F114 Approve(I,LPCBApprovccl,For <br /> CE Marked(EN 12259-5)/VdS Approved model use VSIt-EU <br /> Service Pressure: 450 PSI(31 BAR)-UL <br /> II I 'll' Flow Sensitivity Range for Signal: <br /> V 4-10 GPM(15-39 LPM)-UL <br /> Maximum Surge: 18 FPS(5.5 m/s) <br /> Contact Ratings: Two sets of SPDT(Form C) <br /> 10.0Ampsat 125/250VAC <br /> 2.0Antps at 30VDC Resistive <br /> 10 mAmps min.at 24VDC <br /> Conduit Entrances: Two knockouts provided for 1/2"conduit. <br /> Individual switch compartments suitable <br /> for dissimilar voltages. <br /> Environmental Specifications: <br /> • NEMA 4/IP54 Rated Enclosure suitable for indoor or <br /> outdoor use with factory installed gasket and die-cast housing <br /> when used with appropriate conduit fitting. <br /> • Temperature Range: 40T-120T,(4.5°C-49°C)-UL <br /> • Non-corrosive sleeve factory installed in saddle. <br /> Service Use: <br /> Automatic Sprinkler NFPA-13 <br /> Specifications subject to change without notice. One or two family dwelling NFPA-1313 <br /> Ordering lnfornation Residential occupancy up to four stories NFPA-13R <br /> Nominal Pipe Size Model Part Number National Fire Alann Code NFPA-72 <br /> 2" DN50 VSR-2 1144402 <br /> 2 1/2" DN65 VSR-2 1/2 1144425 <br /> ,,, ,, , <br /> 3" DN80 VSR-3 1144403 hislallation must be performed by qualified personnel and in <br /> 3 1/2" VSR-3 1/2 1144435 accordance with all national and local codes and ordinances. <br /> • Shock hazard.Disconnect power source before servicing.Serious <br /> V. DN 100 VSR4 1144404 injury or death could result. <br /> VSR-5 1144405 Risk of explosion.Not for use in hazardous locations.Serious <br /> V DN150 VSR-G 1144406 injury or death could result. <br /> 8" DN200 VSR-8 1144408 <br /> Optional: Cover Tamper Switch Kit,stock no.0090148 AUTIN <br /> Replaceable Components:Retard/Switch Assembly,stock no. 1029030 Waterfiowswitchesthataremonitoringivelpipesprinklersystemsshall <br /> not be used as the sole initiating device to discharge AFFF,deluge, <br /> or chemical suppression systems. 1Vatcrf9ow switches used for this <br /> application may result in unintended discharges caused by singes, <br /> trapped air,or short retard times. <br /> General Information Enclosure <br /> The Model VSR is a vane type waterflow switch for use on wet sprinkler The VSR switches and retard device are enclosed in a general pur)ose, <br /> systems. It is UL Listed and FM Approved for use on steel pipe; die-cast housing. The cover is held in place with two tamper resistant <br /> schedules 10 through 40,sizes 2"thru 8"(50 nun thrt 200 inn).LPC screws which require a special key for removal. A field installable <br /> approved sizes are 2" thru 8" (50 Inn Ihru 200 nit). See Ordering cover tamper switch is available as an option which may be used <br /> Information chart. to indicate unauthorized removal of the cover. Sec bulletin number <br /> The VSR may also be used as a sectional waterflow detector oil large 5401103 for installation instructions Of this switch. <br /> systems.The VSR contains two single pole,double throw,snap action <br /> switches and an adjustable,instantly recycling pneumatic retard. 'llie <br /> switches arc actuated when a flow of 10 GPM(38 LPM)or more occurs <br /> downstream of the device. The flow condition must exist for a period <br /> of time necessary to overcome the selected retard period. <br /> Potter Electric Signal Company, LLC St. Louis, K40 Phone: 866-956-12I1/Canada 888-882-1833 www.pottersignal.com <br /> PRINTED iN USA MFG.45401146-REV L PAGE I OF 4 <br /> 3109 <br />