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4„� VSR-F
<br /> � PO�� VANE TYPE WATERFLOW
<br /> � The Symbo/of Protection ALARM SWITCH WITH RETARD '
<br /> � UL,ULCandCSFM Listed,FMand LPCBApproved,NYMEA
<br /> � Accepted,CE Marked ��
<br /> I .��"a�"�,�+•
<br /> ��-Y��- Service Pressure: Up to 450 PSI(31 BAR) ,
<br /> ' ���.
<br /> ' Minimum Flow RateforAlarm:10 GPM(38 LPM) ,
<br /> Maximum Surge: 18 FPS(5,5 mis)
<br /> Contact Ratings: Two sets of SPDT(Form C) �
<br /> 15.0 Amps at 125/250VAC '
<br /> 2.0 Amps at 30VDC Resistive
<br /> _��"� Conduit Entrances: Two knockouts provided for 1/2"conduit '
<br /> �'� - Environmental Specifications:
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<br /> � ' � • Suitable for indoor or outdoor use with factory installed
<br /> ,f�;,:
<br /> ' ,,�''- �---' .,��,' ' gasket and die-cast housing.
<br /> '��.�;-. �:.
<br /> ��'�� ``�'' '_= • NEMA 4/IP54 Rated Enclosure-use with appropriate
<br /> I �i.�a";rt:.3"�',�.e v
<br /> ! j�- `° �;�:., _ - -,�{ ' conduit fitting.
<br /> 3�_,`f,
<br /> ��^-��"�� • Temperature Range. 40°F/120°F, 4,5°C/49°C
<br /> .,,� ' � • Non-corrosive sleeve factory installed in saddle.
<br /> � � Caution:This device is not intended for applications in explosive
<br /> '� , � ,,��, environments.
<br /> i _ � �«�;�'� . Sizes Available: Steel Pipe schedules 10 thru 40,sizes 2"thru 8"
<br /> ` ,, ,. BS 1387 pipe 50mm thru 200mm
<br /> �:`, \ ` .�' Note: For copper or plastic pipe use Model VSR-CF.
<br /> �r,•
<br /> ---- - Service Use:
<br /> ; Automatic Sprinkler NFPA-13
<br /> �U.S. Pat. No.3921989 Oneortwofamilydwelling NFPA-13D
<br /> Canadian Pat. No. 1009680 Residential occupancy up to four stories NFPA-13R
<br /> ;Other Patents Pending National Fire Alarm Code NFPA-72
<br /> I Potter Electric, Rd., 1990 Optional: Cover Tamper Switch Kit,Stock No.0090018
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<br /> iI GENERAL INFORMATION INSTALLATION: See Fig.2
<br /> �The Model VSR-F is a vane type waterflow switch for use on These devices may be mounted on horizontal or vertical pipe.
<br /> Iwet sprinkler systems. It is UL Listed and FM Approved for On horizontal pipe they should be installed on the top side of the
<br /> use on steel pipe, schedules 10 through 40, sizes 2" thru 8" pipe where they will be accessible. The units shouid not be in-
<br /> (50mm thru 200mm). stalled within 6"(15cm)of a fitting which changes the direction of
<br /> �LPC approved sizes are 2" thru 8" (50mm thru 200mm). the waterflow or within 24" (60 cm) of a valve or drain.
<br /> The unit may also be used as a sectional waterflow detector Drain the system and drill a hole in the pipe using a circular saw
<br /> on large systems. in a slow speed drill. The 2"(50mm)and 2 1/2" (65mm)devices
<br /> The unit contains two single pole, double throw, snap action +equire a hole with a diameter of 1 1/4" + 1/8" - 1/16" (33mm
<br /> �, 2mm).All other sizes require a hole with a diameter of 2"±1/8"
<br /> �switches and an adjustable, instantly recycling pneumatic re- (50mm t2mm).
<br /> �tard. The switches are actuated when a flow of 10 gallons per
<br /> i minute (38 LPM) or more occurs downstream of the device. Clean the inside pipe of all growth or other material for a dis-
<br /> i The flow condition must exist for a period of time necessary to tance equal to the pipe diameter on either side of the hole. ;
<br /> �overcome the selected retard period Roll the vane so that it may be inserted into the hole;do not bend
<br /> � ENCLOSURE: The unit is enclosed in a general purpose, die- or crease it. Insert the vane so that the arrow on the saddle
<br /> ;cast housing. The cover is held in place with two tamper resis- P��nts in the direction of the waterflow Install the saddle strap
<br /> �tant screws which require a special key for removal. A field in- and tighten nuts alternately to an eventual 50 ft-Ibs. (68 n-m)of
<br /> 'stallable cover tamper switch is available as an option which torque (see Fig.2).The vane must not rub the inside of the pipe
<br /> may be used to indicate unauthorized removal of the cover. See or bmd in any way. �
<br /> �bulletin no. 5400775 for installation instructions of this switch. Specifications subject to change without notice.
<br /> Potter Electric Signal Company•2081 Craig Road,St.Louis,MO,631 4 6-41 61•Phone:800-325-3936/Ganada 888-882-1833•www.pottersignal.com i
<br /> PRINTED IN USA MKT #8800001-REV W PAGE 1 OF 2 II
<br /> � MFG.#5400761-7/02
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