Potter VSR-FE-2 Waterflow Alarm Switch with Electronic Retard

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VSR FE 2 TYPE WATERFLOW WITH ELECTRONIC RETARD and ULC Listed FM Approved Pressure Up to 450 PSI 31 BAR Flow for Alarm 10 GPM 38 LPM Surge 18 FPS 5,5 m s Requirements Ratings Entrances Two knockouts provided for 1 2 conduit Speci cations 10 mA at 120VAC or 1.5 mA at 24VAC DC 40 mA at 120VAC or 35 mA at 24VAC DC Form C 2 Amps at 30VDC or 125VAC resistive Suitable for indoor or outdoor use with factory installed gasket die cast housing NEMA 4 Rated Enclosure use with appropriate conduit tting Temperature range 40 120 4,5 Non corrosive sleeve factory installed in saddle Available Schedules 10 thru 40 sizes 2 thru 8 50mm thru 200mm Use Cover Tamper Switch Kit Stock No 0090018 Sprinkler or two family dwelling occupancy up to four stories Fire Alarm Code 15cm of a tting which changes the direction of the water ow or 24 60cm of a valve or drain the system and drill a hole in the pipe using a circular saw in a speed drill The 2 and 2 1 2 50mm and 65mm devices require hole with a diameter of 1 1 4 1 8 1 16 33mm 2mm All other require a hole with a diameter of 2 1 8 50mm 2mm the inside of the pipe of all growth or other material for a distance to the pipe diameter on either side of the hole the vane so that it may be inserted into the hole do not bend or crease Insert the vane so that the arrow on the saddle points in the direction the water ow Install the saddle strap and tighten nuts alternately to eventual 20 ft lbs 27 n m of torque see Fig 1 The vane must rub the inside of the pipe or bind in any way Pat No 3921989 Canadian Pat No 1009680 Patents Pending Electric Rd 1990 device is not intended for applications in explosive environments Information Model VSR FE 2 is a vane type water ow switch for use on wet systems It is UL Listed and FM Approved for use on steel schedules 10 thru 40 sizes 2 thru 8 50mm 200mm unit may also be used as a sectional water ow detector on large systems unit contains an output relay and an adjustable electronic retard The is actuated when a ow of 10 gallons per minute 38 LPM or more downstream of the device The ow condition must exist for a of time necessary to overcome the selected retard period unit is enclosed in a general purpose die cast housing The cover is in place with two tamper resistant screws which require a special for removal A eld installable cover tamper switch is available as an which may be used to indicate unauthorized removal of the cover bulletin no 5400775 for installation instructions of this switch Fig 1 These devices may be mounted on horizontal or vertical pipe horizontal pipe they should be installed on the top side of the pipe they will be accessible The units should not be installed within Electric Signal Company LLC 2081 Craig Road St Louis MO 63146 4161 Phone 800 325 3936 Canada 888 882 1833 www pottersignal com IN USA 5400985 REV Q PAGE 1 OF 2 TYPE WATERFLOW WITH ELECTRONIC RETARD 1 Adjustment retard time is selected by turning the appropriate to the off position Example For 45 seconds switches 1 2 and 3 to the off position time is as follows Off thru 8 On 2 2 3 2 3 4 2 3 4 5 2 3 4 5 6 used used in Sec 2 Typical Electrical Connections 3 Switch Terminal Connections Clamping Plate Terminal I N N I N 923 3 to the possibility of unintended discharges by pressure surges trapped air or retard times water ow switches that are wet pipe sprinkler systems should not used as the sole initiating device to discharge deluge or chemical suppression systems supervised circuits are used the following must be observed An uninsulated section of a single conductor not be looped around the terminal and serve as two separate connections The wire must be severed thereby supervision of the connection in the event that the wire becomes dislodged from under the terminal operation of the water ow switch should be tested upon completion of installation and periodically thereafter in accordance with the applicable codes and standards and or the authority having jurisdiction manufacturer recommends quarterly or more frequently provided the inspector test valve that is usually located at the end of the most remote branch line should always be used for test purposes there are no provisions for testing the operation of the ow detection device on the system application of the VSR FE 2 is not recommended advisable ow of 10 GPM 38 LPM is required to activate this device Notice advise the person responsible for testing of the re protection system that this system must be tested in accordance with the preceding section IN USA 5400985 REV Q PAGE 2 OF 2

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