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@PoTrER the Symbol of Prolecdon VSR-F VANE TYPE WATERISLOW ALARM SWITCH WITH RETARD UL, ULC and CSFMListed, FM and LPCBApproved, NYIVIEA Accepted, CEMarked Service Pressure: Up to 450 PSI (31 BAR) Minimum Flow RateforAlarm: 10 GPM (38 LPM) MmSimum Surge: 18 FPS (5,5 m/a) Contact Ratings: Two sets ofSPDT(Fonn C) 15.0 Amps at 125/250VAC 2.OAmpsat30 EDC Resistive ConduitEntrances: Two knockouts providedfor 1/2"conduit Environmental Specifications: • Suitable for indoor or outdoor use with factory install edgasket and die-casthousing. • NEMA4/IP54 Rated Enclosure -use with appropriate conduit fitting. • TeraperaNrePange 4UHF/120°F, 4,5°C/49°C • Nov -corrosive sleeve factory installed in saddes Caution: This device is not intendedfor applications in explosive environments. Smessrvafiable: Steel Pipe schediil es 10 thru 40,sizes T"thm8" BS 138] pipe50mm thm 200mm Note: For copper or plastic pipeuse Model VSR-CF. ServiceUse: Automatic Sprinkler NFPA-13 U.S. Pat. No. 3921989 One or tune family dwelling NFPA-13D Canadi an Pat. No. 1009680 Res denfial occupancy up to four stories NFPA-13R Other Patents Pending Nab at Fire Al a. Code NFPAO2 Potter Electric, Rd., 1990 Optional: Cover Temper Switch Kit, Stock No. 0090018 CB 010 N-'Al 0@I X61 P19 MN 11610 The Model VSR-F is a vane type waterflow switch for use on wet sprinkler systems. It is UL Listed and FM Approved for use on steel pipe; schedules 10 through 40, sizes 2" thm 8" (50. thm 200mm). LPC approved sizes are 2" thou, 8" (50mm thm 200mm). The unit may also be used as a sectional waterflow detector on large systems. The unit contains two single pole, double throw, snap action switches and an adustable, instantly recycling pneumatic retard The switches are actuated when a flow of 10 gallons per minute (38 LPM) or more occurs downstream of the device. The flow condition at exist for a period of time necessary to overcome the selected retard period ENCLOSURE: The unit is enclosed in a general purpose, die-cast housing. The cover is held in place with two tamper resishort screws which require a special key for removal. A field inshallable cover tamper switch is available as an option which may be usedto indicate unauthorized removal of the cover. See bulletin no. 5400775 for installation instructions of this switch. INSTALLATION: SeeFig.2 These devices may be mounted on horizontal or vertical pipe. On horizontal pipe they should be installed on the top side of the pipe where they will be accessible. The units should not be installed within 6" (15 em) of a fitting which changes the direction of the waterflow or within 24" (60 em) of a valve or drain. Drain the system and drill a hole in the pipe using a circular saw in a slow speed drill. The 2" (50.) and 1/2" (65mm) devices require a hole with a diameter off 1/4"+1/8" - 1/16" (33mm+2mm). All other sizes require a hole with a diameter of 2" +1/8" (50mm +2mm). Clean the insidepipe of all growth or other material for a distance equal to the pipe diameter on either side of the hole. Roll the vane so that it may be inserted into the hole; do not bend or crease it. Insert the vane so that the arrow on the saddle points in the direction of the waterflow. Install the saddle situp and tighten vats alternately to an eventual 50 ft-lbs. (68 n-m) of torque (see Fig. 2). The vane must not tub the made of the pipe or bind in any way. Specifications subject to change without notice. POGzr Electric Signal Company • 2081 Craig Road, St Louis, MO, 631464161 • Phone: 800-325-393NCevede 8888821833 • www.pottersigvel. corn PRINTED IN USA MKT 9S00001-REV W PAGE I OF 2 MFG. C400161 -7/02