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(E)POTTER <br />The Symbol of Protection <br />FIG. 1 <br />SWITCH TERMINAL <br />CONNECTIONS <br />CLAMPING PLATE <br />TERMINAL <br />��RlCo�4t <br />�0 <br />Apo owca rat <br />0 <br />CAUTION: <br />An urdnsulated section of a <br />single conductor should not <br />be looped around the terminal <br />and serve as two separate <br />connections. The wire must <br />be severed, thereby providing <br />supervision of the connection <br />in the event that the wire <br />becomes dislodged from under <br />the terminal. <br />FIG. 2 <br />OPTIONAL TAMPER SWITCH <br />RETARD ADJUSTMENT: <br />TO CHANGE TIME TURN KNOB (EITHER DIRECTION) <br />FOR DESIRED TIME DELAY. USE THE MINIMUM <br />AMOUNT OF RETARD NECESSARY TO PREVENT <br />FALSE ALARMS, A B" SETTING IS USUALLY <br />ADEQUATE FOR THIS FACTORY IS SET TO "B"_ , <br />TO UsTAI I ❑RII I HOI F AS INDICATED: <br />PIPE SIZE <br />HOLE SIZE <br />2" to 2 1/2" <br />1 1/4" +1/8" —1/16" <br />(50mm to 65mm) <br />(33mm }2mm) <br />3" to W <br />2.. 31 /8" <br />(80mm to 200mm) <br />50mm t2mm) <br />Cover Tamper <br />(with cover in place) <br />DIREof <br />WATERFLOW <br />N.O NC <br />(!NHT) (RED) SOLID <br />w .-2 <br />DWG. #761-30 <br />VSR-F <br />VANE TYPE WATERFLOW <br />ALARM SWITCH WITH RETARD <br />DO NOT LEAVE COVER OFF FOR <br />EXTENDED PERIOD OF TIME <br />O <br />TIGHTEN NUTS <br />ALTERNATELY TO AN <br />EVENTUAL 50FT.—L9S (68 n—m) <br />OF TORQUE <br />MOUNT ON PIPE SO <br />ARROW ON SADDLE <br />POINTS IN DIRECTION <br />OF WATERFLOW <br />ROLL PADDLE IN <br />OPPOSITE DIRECTION <br />OF WATERFLOW <br />APPROX. RETARD SETTINGS (IN SECS.) <br />I <br />G <br />A <br />10 25 <br />2C%0 <br />35%1 <br />o <br />so —To <br />fi0—sG <br />FIG. 3 TYPICAL ELECTRICAL CONNECTIONS <br />NOTES: <br />FIG. 4 <br />1. The Model VSR-F has two <br />To remove knockouts: Place <br />2 SETS OF NORMALLY <br />switches, one can be used <br />screwdriver at edge of knockouts, <br />OPEN CONTACTS <br />WAERTLOWZONE EOLRPROM <br />to o erate a central station, <br />CIA SE ON ALARM <br />ONEIREPANEL FIRE PANEL <br />P <br />not in the center. <br />F -------- i <br />proprietary or remote signaling <br />2oM <br />xo <br />x2 <br />xo <br />unit, while the other contact is <br />® <br />® <br />® <br />® <br />used to operate a local audible or <br />visual annunciator. <br />© <br />0 <br />© <br />© <br />0 <br />® <br />2. A condition of LPC Approval of <br />this product is that the electrical <br />THE N C. AND N. O. MARKINGS ON <br />POSITIVE DO <br />entry must be sealed to exclude <br />THE SWITCH ARE FOR AN ALARM <br />ORHOTAC <br />moisture. <br />CONDITION. <br />BELL <br />NEGATIVE DC OR <br />3. For supervised circuits see <br />P <br />� � <br />4MG. <br />THE WHENT EDEICE REVERSED <br />WHEN THEDEV ICE IS PI THE <br />NEUTRALAC <br />"Switch Terminal Connections" <br />9 <br />� <br />NORMAL CONDITION. <br />nwoxx 2 <br />drawing and caution note <br />9761-4 <br />(Fig. 1). <br />APPLICATION WARNING! <br />Due to the possibility of unintended discharges caused by pressure surges, trapped air, or short retard times, waterflow switches that are <br />monitoring wet pipe sprinkler systems should not be used as the sole initiating device to discharge AFFF, deluge, or chemical suppression <br />systems. <br />TESTING <br />The frequency of inspection and testing for the model VSR-F and its associated protective monitoring system should be in accordance with <br />applicable NFPA Codes and Standards and/or the authority having jurisdiction (manufacturer recommends quarterly or more frequently). <br />If provided, the inspector's test valve, that is usually located at the end of the most remote branch line, should always be used for test purposes. <br />If there are no provisions for testing the operation of the flow detection device on the system, application of the VSR-F is not recommended or <br />advisable. <br />A mirdmum flow of 10 gpm (38 Lpm) is required to activate this device. <br />IMPORTANT NOTICE: Please advise the person responsible for testing of the fire protection system that this system must be tested in <br />accordance with the testing instructions. <br />PRINTED IN USA MKT. #8800001 - REV W PAGE 2 OF 2 <br />MFG. #5400761 -'1/02 <br />