Potter VSR-S Series Waterflow Alarm Switch for Small Pipe EU

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BAR UL ULC CE Marked EN 12259 5 and LPCB Approved Pressure Up to 17,2 BAR 250 PSI up to 300 PSI Sensitivity Range for Signal 15 38 LPM 4 10 GPM UL Loss 2 BAR 3 PSI Max at 5 m s Surge 5,5 m s 18 FPS Die cast red enamel finish Ratings Two sets of SPDT Form C Amps at 125 250 VAC Amps at 30 VDC Resistive Amps min at 24 VDC Entrances Two openings provided for conduit or cable Listed plastic copper and schedule 40 iron pipe held in place with tamper resistant screws 50mm 2 pipe sizes 25mm 1 32mm 1 38mm 1 and 12 paddles are furnished with each unit one for each pipe of threaded and sweat TEE one for 25mm 1 CPVC for 25mm 1 CPVC Central one for 1 threaded Nibco and one for 38mm 1 threaded Japan Specifications NEMA 4 IP54 Rated enclosure suitable for indoor or outdoor with factory installed gasket and die cast housing when used appropriate conduit or cable fitting Temperature range 4,5 C to 49 C 40 F to 120 F UL Use Automatic Sprinkler One or two family dwelling Residential occupancy up to four stories National Fire Alarm Code pipe they should be installed on the top side of the pipe they will be accessible The units should not be installed within 6 of a valve drain or fitting which changes the direction of the Select the proper paddle for the pipe size and type of TEE see Fig 1 for instructions on changing paddle The unit has a 1 bushing for threading into a non corrosive TEE See Fig 2 for TEE size type and installation Use no more than three wraps teflon tape the device into the TEE fitting as shown in Fig 2 Care must be to properly orient the device for the direction of waterflow The must not rub the inside of the TEE or bind in any way The stem move freely when operated by hand device can also be used in copper or plastic pipe installations with proper adapters so that the specified TEE fitting may be installed the pipe run The VSR S EU can only be installed in factory TEEs a 1 BSPT bull Reducing bushings mechanical TEEs or weld o are not allowed Do not leave cover off for an extended period of time No 1144444 must be perfomed by qualified personnel and in with all national and local codes and ordinances hazard Disconnect power source before servicing Serious or death could result of explosion Not for use in hazardous locations Serious or death could result Components Retard Switch Assembly stock no 1029020 Model VSR S EU is a vane type waterflow switch for use on wet systems that use 25mm 1 32mm 1 38mm 1 or 2 pipe size The unit may also be used as a sectional waterflow on large systems unit contains two single pole double throw snap action switches and adjustable instantly recycling pneumatic retard The switches are when a flow of 38 LPM 10 GPM or more occurs downstream the device The flow condition must exist for a period of time necessary overcome the selected retard period VSR S EU switches and retard device are enclosed in a general die cast housing The cover is held in place with two tamper screws which require a special key for removal A field cover tamper switch is available as an option which may be to indicate unauthorized removal of the cover See bulletin number for installation instructions of this switch devices may be mounted in horizontal or vertical pipe On not trim the paddle Failure to follow these instructions may prevent the device from operating and will void the warranty not obstruct or otherwise prevent the trip stem of the flow switch from moving when water flows as this could damage the flow switch and prevent an alarm an alarm is not desired a qualified technician should disable the alarm system Electric Signal Company LLC St Louis MO Cust Service 866 572 3005 Tech Support 866 956 0988 Canada 888 882 1833 www pottersignal com PAGE 1 OF 3 in usaMFG 5401208 reV e03 13Vsr s EU VanE typE watErflow alarm switch with rEtard Bspt thrEadfor small pipEfirealarmresources com 1 Adjustment delay can be adjusted by rotating the retard knob from 0 to the max setting 20 seconds The time delay should be set at the required to prevent false alarms NOT LEAVE COVER OFF FOR EXTENDED PERIOD OF TIME 4,3MM 11 16 2 MOUNTING HOLES FOR UNIVERSAL CARD Only use din 7981 x 9,5 mm tapping screws OF FLOW 737 31 are 12 paddles furnished with each unit for each size of threaded sweat or plastic as described in Fig 2 These paddles have lettering that shows the pipe size and of TEE that they are to be used with The paddle must be used The paddle must properly attached see drawing and the that holds the paddle must be securely SO ON POINTS DIRECTION OF BSPT ON SIZES OF THE TEE BE OR PIPE OF 1208 2 not use more than three of teflon tape 735 33 the device into the tee fitting as shown must be taken to properly orient the for the direction of waterflow On sweat no threaded bushings inserts or adapters permitted unless they comply with the listed in the chart below The depth to the inside bottom of tee should have the following dimensions Depth Requirement Size x 1 x 1 1 16 3 4 1 4 x 1 1 4 x 1 7 16 7 16 1 2 x 1 1 2 x 1 11 16 1 4 7 16 3 4 3 16 x 2 x 1 only factory TEEs with a 1 BSPT bull bushings mechanical TEEs or weld o are not allowed remove knockouts screwdriver at of knockouts not the center 3 Switch Terminal Connections Clamping Plate Terminal 4 I N N I N 923 3 uninsulated section of a single conductor should not be looped the terminal and serve as two separate connections The must be severed thereby providing supervision of the in the event that the wire become dislodged from under terminal Failure to sever the wire may render the device risking severe property damage and loss of life 5 Typical Electrical Connections CAP FROM BREAKER FROM BELL C FROM BREAKER 1146 4 The Model VSR EU has two switches one can be used to a central station proprietary or remote signaling unit the other contact is used to operate a local audible or visual For supervised circuits see Terminal Connections and warning note Fig 3 1 2 3 connecting to a UL Listed panel use the panel valve for circuit supervision 1159 2 PAGE 2 OF 3 in usaMFG 5401208 reV e03 13Vsr s EU VanE typE watErflow alarm switch with rEtard Bspt thrEadfor small pipEfirealarmresources com To prevent accidental water damage all control valves should be shut tight and the system completely drained before waterflow detectors are removed or replaced Turn off electrical power to the detector then disconnect wiring Use a wrench on the flats of the bushing Turn the switch counterclockwise to disengage the pipe threads Gently lift with your fingers roll the vane so it will fit through the hole while continuing to lift the waterflow detector Lift detector clear of pipe switches that are monitoring wet pipe sprinkler systems not be used as the sole initiating device to discharge AFFF or chemical suppression systems Waterflow switches used this application may result in unintended discharges caused by trapped air or short retard times frequency of inspection and testing for the Model VSR S EU and associated protective monitoring system should be in accordance applicable NFPA Codes and Standards and or the authority having manufacturer recommends quarterly or more frequently inspector test valve usually located at the end of the most remote branch should always be used for test purposes If there are no provisions for the operation of

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