Potter VSR-CF Waterflow Alarm Switch for Copper or Plastic Pipe

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VSR CF TYPE WATERFLOW SWITCH WITH FOR COPPER OR PLASTIC PIPE ULC CSFM and NYBSA Listed Pressure Up to 175 PSI 12,1 BAR Flow Rate for Alarm 10 GPM 38 LPM Surge 18 FPS 5,5 m s Ratings Two sets of SPDT Form C Amps at 125 250 VAC Amps at 30 VDC resistive Speci cations die cast housing Suitable for indoor or outdoor use with factory installed gasket NEMA 4 IP55 rated enclosure use with appropriate conduit tting Temperature range 40 F to 120 F 4,5 C to 49 C Non corrosive sleeve factory installed in saddle Entrances Two knockouts provided for 1 2 conduit This device is not intended for applications in explosive environments Available 50mm 2 1 2 65mm 3 75mm and 4 100mm for K L and M copper pipe 50mm 2 1 2 65mm and 3 75mm for listed CPVC SDR 13.5 Standard Dimensional Ratio Use Cover Tamper Switch Kit Stock No 0090018 Sprinkler or two family dwelling occupancy up to four stories Fire Alarm Code See Fig 2 devices may be mounted on horizontal or vertical pipe On pipe they should be installed on the top side of the pipe they will be accessible The units should not be installed within 15cm of a tting which changes the direction of the water ow within 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 33mm 2mm All other sizes a hole with a diameter of 2 1 16 1 8 50mm 2mm the inside of the pipe of all growth or other material for a equal 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 it Insert the vanes so that the arrow on the saddle points in the of the water ow Install the saddle strap and tighten nuts to an eventual 100 in lbs 11,3 n m of torque see Fig 2 vane must not rub the inside of the pipe or bind in any way Patent No 3921989 Patent No 1009680 Patents Pending Electric Rd 1990 INFORMATION Model VSR CF is a vane type water ow switch for use on wet systems It is UL Listed for use on type K L and M copper sizes 2 thru 4 50 100mm and listed CPVC pipe SDR 13.5 dimensional ratio sizes 2 thru 3 50 75mm unit may also be used as a sectional water ow detector on large unit contains two single pole double throw snap action switches an adjustable pneumatic retard The switches are actuated when a ow of 10 gallons per minute 38 LPM or more occurs downstream of device The ow condition must exist for a period of time necessary overcome the selected retard period The unit is enclosed in a general purpose die cast The cover is held in place with two tamper resistant screws require a special key for removal A eld installable cover switch is available as an option which may be used to indicate removal of the cover See bulletin no 5400775 for instructions of this switch Electric Signal Company 2081 Craig Road St Louis MO 63146 4161 Phone 800 325 3936 Canada 888 882 1833 www pottersignal com IN USA 8800002 REV W 5400771 8 02 1 OF 2 TYPE WATERFLOW SWITCH WITH FOR COPPER OR PLASTIC PIPE 1 2 TERMINAL PLATE TERMINAL I N N I N 923 3 uninsulated section of a single should not be looped around terminal and serve as two separate The wire must be severed providing supervision of the in the event that the wire dislodged from under the 3 ELECTRICAL CONNECTIONS SETS OF NORMALLY CONTACTS ON ALARM ZONE FIRE PANEL FROM PANEL N C AND N O MARKINGS ON SWITCH ARE FOR AN ALARM CONTACTS ARE REVERSED THE DEVICE IS IN THE CONDITION DC HOT AC DC OR AC 761 2 4 remove edge of not the center The Model VSR CF has two one can be used operate a central station or remote signaling while the other contact is to operate a local audible visual annunciator For supervised circuits see Terminal Connections and caution note 1 WARNING to the possibility of unintended discharges caused by pressure surges trapped air or short retard times water ow switches that are wet pipe sprinkler systems should not be used as the sole initiating device to discharge AFFF deluge or chemical suppression frequency of inspection and testing for the model VSR CF and its associated protective monitoring system should be in accordance with NFPA 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 there are no provisions for testing the operation of the ow detection device on the system application of the VSR CF is not recommended advisable minimum ow of 10 gpm 38 LPM is required to activate this device NOTICE Please advise the person responsible for testing of the re protection system that this system must be tested in with the testing instructions IN USA 8800002 REV W 5400771 8 02 2 OF 2

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