97-6551 - Laserfiche WebLink

Browse Search

<elroTTER FOR SMALL PIPE VSR-SF VANE TYPE W~.TERFLOW ALARM SWITCH WITH RETARD Potter Electric Signal Company 2081 Craig Rd.,/P.O. Box 28480 St. Louis, Mo. 63146"4161 (314)878"4321/(800)325-3936 Potter Electric Signal & Mfg. L TO 1967 Leslie Street Don Mills, Ontario, Canada M3B2M3 (416)441"1833 STK. NO. 1113000 U.S. PAT. NO. 3921989, CANADIAN PAT. NO. 1009680 OTHER PATENTS PENDING. UL, ULC. CSFM LISTED & NYMEA ACCEPTED Service Pressure: Up to 250 PSI Minimum Flow Rate for Alarm: 10 GPM Maximum Surge: 18 FPS Enclosure: Cast Aluminum, red enamel finish, Cover held in place with lam per resistant screws Contact Ralings: Two sets of S,P,D,T, (Form C) 10 Amp, @ 125/250 VAC 2 Amp, @ 0-30 VDC Conduit Entrances: Two Knockouts provided for 1/2" condUit Usage: Listed Plastic, Copper and Schedule 40 Iron Pipe. Fits pipe sizes - 1", 1 1/4", & 1 1/2" Note: 8 paddles are fumished with each unit, one for each pipe size of threaded or sweat TEE, one for 1" CPVC, and one for 1 1/2" polybutylene (CTS-Copper tubing size). Environmental Specifications: Suilable for indoor or outdoor use with factory installed gasket and die-C<lst aluminum housing, NEMA 4 Rated Enclosure - use with appropriate conduit fil1ing, Temperature Range - 40' F/120' F (4S C/49- C) Caution: ThiS device IS not intended for applications in explosive environ- ments, Service Use: Automatic Sprinkler One or Two Family Dwelling Residential Occupancy up to 4 Stories National Fire Alann Code NFPA-13 NFPA-13D NFPA-13R NFPA-72 Optional: Cover Tamper Switch, order Stk, No, 0090018 The Model VSR-SF IS a vane type waterflow switch for use on wet sprinkler systems thaI use "', 1 1/4', or 1 1/2" pipe size. 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 adjustable pneumatic retard. The switches are actuated when a flow of 10 gallons per minute or more occurs downstream of the device. The flow condition must exist for a period of time neeessary to overcome the selected retard period, INSTALLA nON: These devices may be mounted in a horizontal orvertiCilI pipe, On horizontal pipe they should be Installed on the top side of the pipe where they will be accessible The uni1s should not be installed wilhin 6. of a valve, drain or fitting which changes the direction of the waterflow, The uni1 has a " NPT bushing for threading into a non corrosive "TEE", See figure 2 for proper 'lEE' size. type and installation, Screw the device into the "TEE' fil1lng as shown In Fig 2 Care must be taken to properly orient the deVice for the drrect,on of waterllow The vane must nol rub the inside of the "TEE" or bind in any way, The stem should move freely when operated by hand, The device can also be used in copper or plastic pipe installations with the proper adapters so that the specified "TEE" fil1ing may be installed on lhe pipe run. INSPECTION AND TESTING: Check the operation of the unit by opening the "Inspection Test Valve" at the end of the sprinkler line or the drain and test connection, if an Inspectors Test Valve is not provided. If there are no provisions fortesting the operation of the flow detection deVice on the system, appliC<ltion ofthe VSR-SF is not recommended or advisable The frequency of the inspection and testing and its associated proteel/ve monitoring system should be in accordance with the applicuble NFPA Codes and Standards und/or authority having jurisdiction (munufucturer recommends quarterly or more frequently). CAUTION: There are 8 paddles furnished with each unit. These paddles have raised lettering that shows the pipe size and type of "TEE" that they are to be used with, The proper paddle must be used. The screw that holds the paddle must be securely tightened. PRINTED IN USA MKT. #8800003 - REV G MFG. #5400802 - 3,94 PAGE 1 OF2