PRINTED IN USAPAGE 1 OF 4VSRVANE TYPE WATERFLOWALARM SWITCH WITH RETARDMFG. #5401146 - REV L3/09General InformationThe Model VSR is a vane type waterflow switch for use on wet sprinklersystems. It is UL Listed and FM Approved for use on steel pipe;schedules 10 through 40, sizes 2" thru 8" (50 mm thru 200 mm). LPCapproved sizes are 2" thru 8" (50 mm thru 200 mm).See OrderingInformation chart.The VSR may also be used as a sectional waterflow detector on largesystems. The VSR contains two single pole, double throw, snap actionswitches and an adjustable, instantly recycling pneumatic retard.Theswitches are actuated when aflow of 10 GPM (38 LPM) or more occursdownstream of the device.Theflow condition must exist for a periodof time necessary to overcome the selected retard period.UL,CULandCSFMListed,FMApproved, LPCB Approved, ForCE Marked (EN12259-5) / VdS Approvedmodel use VSR-EUService Pressure:450 PSI (31 BAR) - ULFlow Sensitivity Range for Signal:4-10 GPM (15-38 LPM) - ULMaximum Surge:18 FPS (5.5 m/s)ContactRatings:Two sets of SPDT (Form C)10.0 Amps at 125/250VAC2.0 Amps at 30VDCResistive10 mAmps min. at 24VDCConduit Entrances:Two knockouts provided for 1/2" conduit.Individual switch compartments suitablefor dissimilar voltages.Environmental Specifications:•NEMA 4/IP54 Rated Enclosure suitable for indoor oroutdoor use with factory installed gasket and die-cast housingwhen used with appropriate conduitfitting.• Temperature Range:40°F - 120°F, (4.5°C - 49°C) - UL• Non-corrosive sleeve factory installedin saddle.Service Use:Automatic SprinklerNFPA-13One or two family dwellingNFPA-13DResidential occupancy up to four storiesNFPA-13RNational Fire Alarm CodeNFPA-72•Installation must be performed by qualified personnel and inaccordance with all national and local codes and ordinances.•Shock hazard. Disconnect power source before servicing. Seriousinjury or death could result.•Risk of explosion. Not for use in hazardous locations. Seriousinjury or death could result.Ordering InformationNominal Pipe SizeModelPart Number2"DN50VSR-211444022 1/2"DN65VSR-2 1/211444253"DN80VSR-311444033 1/2"-VSR-3 1/211444354"DN100VSR-411444045"-VSR-511444056"DN150VSR-611444068"DN200VSR-81144408Specifications subject to change without notice.Optional:Cover Tamper Switch Kit, stock no. 0090148Replaceable Components:Retard/Switch Assembly, stock no. 1029030EnclosureThe VSR switches and retard device are enclosed in a general purpose,die-casthousing.The cover is held in place with two tamper resistantscrews which require a special key for removal.Afield installablecover tamper switch is available as an option which may be used
