Victaulic FireLock NXT 776 Series Installation, Maintenance, And Testing Manual

Victaulic FireLock NXT 776 Series Installation, Maintenance, And Testing Manual

Deluge valve, pneumatic dry pilot release with low-pressure actuator, hydraulic wet pilot release, electric release with solenoid valve
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INSTALLATION,MAINTENANCE,ANDTESTINGMANUAL
FireLockNXT™DelugeValve
SERIES 769
PNEUMATIC(DRYPILOT)RELEASEWITHSERIES776LOW-PRESSUREACTUATOR
HYDRAULIC(WETPILOT)RELEASE
ELECTRICRELEASEWITHSERIES753-ESOLENOIDVALVE
WARNING
www.victaulic.com
VICTAULIC IS A REGISTERED TRADEMARK OF VICTAULIC COMPANY. © 2007 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA.
REV_D
HANG THESE INSTRUCTIONS ON THE
INSTALLED VALVE FOR EASY FUTURE REFERENCE
WARNING
 •  Failuretofollowinstructionsandwarningscancauseproduct
failure,resultinginseriouspersonalinjuryandpropertydamage.
• Readandunderstandallinstructionsbeforeattemptingto
installanyVictaulicpipingproducts.
• Wearsafetyglasses,hardhat,andfootprotection.
• Savethisinstallation,maintenance,andtestingmanualfor
future r eference.
Ifyouneedadditionalcopiesofanyliterature,orifyouhaveany
 q uestionsconcerningthesafeinstallationandoperationofthis
product,contactVictaulic,P.O.Box31,Easton,PA18044-0031,
USA,Telephone:1-800PICKVIC,e-mail:pickvic@victaulic.com.
I-769D

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Summary of Contents for Victaulic FireLock NXT 776 Series

  • Page 1  •  Failuretofollowinstructionsandwarningscancauseproduct failure,resultinginseriouspersonalinjuryandpropertydamage. • Readandunderstandallinstructionsbeforeattemptingto installanyVictaulicpipingproducts. • Wearsafetyglasses,hardhat,andfootprotection. • Savethisinstallation,maintenance,andtestingmanualfor future r eference. Ifyouneedadditionalcopiesofanyliterature,orifyouhaveany  q uestionsconcerningthesafeinstallationandoperationofthis product,contactVictaulic,P.O.Box31,Easton,PA18044-0031, USA,Telephone:1-800PICKVIC,e-mail:pickvic@victaulic.com. www.victaulic.com VICTAULIC IS A REGISTERED TRADEMARK OF VICTAULIC COMPANY. © 2007 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. REV_D...
  • Page 3: Table Of Contents

    Troubleshooting – System ....... . . 44 www.victaulic.com VICTAULIC IS A REGISTERED TRADEMARK OF VICTAULIC COMPANY. © 2007 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. REV_D...
  • Page 4: Installer Safety Instructions

    Cluttered areas, benches, and slippery floors can create hazardous working conditions. PROTECTTHESYSTEMFROMFREEZINGCONDITIONS.THE VALVEANDSUPPLYPIPINGMUSTBEPROTECTEDFROM FREEZINGTEMPERATURESANDMECHANICALDAMAGE. IFTHEINLETWATERSUPPLYISINTERRUPTEDFORANY REASON,ANDSYSTEMSUPPLYPRESSURETOTHEVALVE DECREASES,MAKESURETHEDIAPHRAGMCHARGELINEIS FULLYPRESSURIZEDBEFOREPLACINGTHESYSTEMBACK INSERVICE. www.victaulic.com VICTAULIC IS A REGISTERED TRADEMARK OF VICTAULIC COMPANY. © 2007 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. I-769D_2 REV_D...
  • Page 5: Introduction

    INSTALLATION,MAINTENANCE,ANDTESTINGMANUAL FireLockNXT™DelugeValve SERIES 769 INTRODUCTION The following instructions are a guide for proper installation of Victaulic Series 769 FireLock NXT Deluge Valves. These instructions involve pipe that is properly prepared and grooved in accordance with current Victaulic specifications. NOTICE • Drawingsand/orpicturesinthismanualmaybeexaggeratedforclarity.
  • Page 6: Exploded View Drawing - Trim Components (Domestic Trim)

    For information regarding installation of the Series 7C7 Air Maintenance/Compressor Assembly (not shown), refer to the instructions supplied with the product. www.victaulic.com VICTAULIC IS A REGISTERED TRADEMARK OF VICTAULIC COMPANY. © 2007 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. I-769D_4 REV_D...
  • Page 7: Exploded View Drawing - Trim Components (Domestic Trim)

    19 Gauge Valve From Water Supply NOTE 1: Connection point for the Series 75D Water Column Device Kit www.victaulic.com VICTAULIC IS A REGISTERED TRADEMARK OF VICTAULIC COMPANY. © 2007 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. REV_D I-769D_5...
  • Page 8: Exploded View Drawing - Trim Components (Domestic Trim)

    20 Series 753-E Solenoid Valve From Water Supply NOTE 1: Connection point for the Series 75D Water Column Device Kit www.victaulic.com VICTAULIC IS A REGISTERED TRADEMARK OF VICTAULIC COMPANY. © 2007 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. I-769D_6 REV_D...
  • Page 9: Exploded View Drawing - Trim Components (European Trim)

    For information regarding installation of the Series 7C7 Air Maintenance/Compressor Assembly (not shown), refer to the instructions supplied with the product. www.victaulic.com VICTAULIC IS A REGISTERED TRADEMARK OF VICTAULIC COMPANY. © 2007 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. REV_D I-769D_7...
  • Page 10: Exploded View Drawing - Trim Components (European Trim)

    (i.e. during a trip test). NOTE 1: Connection point for the Series 75D Water Column Device Kit www.victaulic.com VICTAULIC IS A REGISTERED TRADEMARK OF VICTAULIC COMPANY. © 2007 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. I-769D_8 REV_D...
  • Page 11: Exploded View Drawing - Trim Components (European Trim)

    (i.e. during a trip test). NOTE 1: Connection point for the Series 75D Water Column Device Kit www.victaulic.com VICTAULIC IS A REGISTERED TRADEMARK OF VICTAULIC COMPANY. © 2007 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. REV_D I-769D_9...
  • Page 12: Exploded View Drawing - Internal Valve Components

    * NOTE: The 1½-inch/48.3-mm and 2-inch/60.3-mm valve sizes contain washers under the heads of the cover plate bolts. www.victaulic.com VICTAULIC IS A REGISTERED TRADEMARK OF VICTAULIC COMPANY. © 2007 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. I-769D_10 REV_D...
  • Page 13: Section View Drawing And Description

    Middle Chamber Outlet Eyelet Upper Diaphragm Assembly Lower Chamber VENT TO ATMOSPHERE AIR IN INLET OUTLET Exaggerated for Clarity www.victaulic.com VICTAULIC IS A REGISTERED TRADEMARK OF VICTAULIC COMPANY. © 2007 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. REV_D I-769D_11...
  • Page 14: Air Supply Requirements

    Strainer (100 Mesh) Spring-Loaded, Soft-Seated Ball Check Valve Fast Fill Ball Valve (Normally Closed) System Capacity (in gallons) www.victaulic.com VICTAULIC IS A REGISTERED TRADEMARK OF VICTAULIC COMPANY. © 2007 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. I-769D_12 REV_D...
  • Page 15: Victaulic Series 757P Air Maintenance Trim Assembly (Amta) With Pressure Switch Option

    1d. Set the alarm pressure switch to activate on a pressure rise of 4 – 8 psi/28 – 55 kPa/0.3 – 0.6 Bar. www.victaulic.com VICTAULIC IS A REGISTERED TRADEMARK OF VICTAULIC COMPANY. © 2007 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. REV_D I-769D_13...
  • Page 16: Valve/Trim Installation

    (2-hour limited time period) for acceptance by the authority having jurisdiction. * Teflon is a registered trademark of the DuPont Company www.victaulic.com VICTAULIC IS A REGISTERED TRADEMARK OF VICTAULIC COMPANY. © 2007 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. I-769D_14 REV_D...
  • Page 17: Wet Pilot Line Charts

    120 psi 40.0 100 psi 80 psi 60 psi 20.0 40 psi 20 psi 1000 LENGTH OF PIPE (ft.) www.victaulic.com VICTAULIC IS A REGISTERED TRADEMARK OF VICTAULIC COMPANY. © 2007 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. REV_D I-769D_15...
  • Page 18 50.0 120 psi 100 psi 80 psi 60 psi 40 psi 20 psi 1000 LENGTH OF PIPE (ft.) www.victaulic.com VICTAULIC IS A REGISTERED TRADEMARK OF VICTAULIC COMPANY. © 2007 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. I-769D_16 REV_D...
  • Page 19 120 psi 100 psi 80 psi 100.0 60 psi 40 psi 50.0 20 psi 1000 Length of Pipe (ft.) www.victaulic.com VICTAULIC IS A REGISTERED TRADEMARK OF VICTAULIC COMPANY. © 2007 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. REV_D I-769D_17...
  • Page 20: Placing The System In Service

    Auto Drain Sleeve. 3a. Confirm that the system has been depressurized. The gauges should indicate zero pressure. www.victaulic.com VICTAULIC IS A REGISTERED TRADEMARK OF VICTAULIC COMPANY. © 2007 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. I-769D_18 REV_D...
  • Page 21 Charge the dry pilot release system to 13 psi/90 kPa/0.9 Bar minimum. Refer to the “Air Supply Requirements” section. www.victaulic.com VICTAULIC IS A REGISTERED TRADEMARK OF VICTAULIC COMPANY. © 2007 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. REV_D I-769D_19...
  • Page 22 13. Open the manual pull station to bleed off any air that is present. www.victaulic.com VICTAULIC IS A REGISTERED TRADEMARK OF VICTAULIC COMPANY. © 2007 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. I-769D_20 REV_D...
  • Page 23 21. Confirm that there is no leakage from the intermediate valve chamber. The drip check in the alarm line should not be leaking water or air. www.victaulic.com VICTAULIC IS A REGISTERED TRADEMARK OF VICTAULIC COMPANY. © 2007 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. REV_D I-769D_21...
  • Page 24 Continue this procedure until all water is released. Water Supply Main Control Valve 23. Open the water supply main control valve fully. www.victaulic.com VICTAULIC IS A REGISTERED TRADEMARK OF VICTAULIC COMPANY. © 2007 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. I-769D_22 REV_D...
  • Page 25: External Inspection

    Fast-Fill Ball Valve of the Victaulic AMTA (if applicable) Closed Water Motor Alarm Shutoff Valve (VdS Trim Only) Open www.victaulic.com VICTAULIC IS A REGISTERED TRADEMARK OF VICTAULIC COMPANY. © 2007 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. REV_D I-769D_23...
  • Page 26: Required Tests

    While the water supply main drain valve is fully open, record the water supply pressure (from the water supply gauge) as the r esidual pressure. www.victaulic.com VICTAULIC IS A REGISTERED TRADEMARK OF VICTAULIC COMPANY. © 2007 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. I-769D_24 REV_D...
  • Page 27: Water Flow Alarm Test

    14. Provide test results to the authority having jurisdiction, if required. www.victaulic.com VICTAULIC IS A REGISTERED TRADEMARK OF VICTAULIC COMPANY. © 2007 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. REV_D I-769D_25...
  • Page 28 Push in the plunger of the drip check to verify that there is no pressure in the alarm line. www.victaulic.com VICTAULIC IS A REGISTERED TRADEMARK OF VICTAULIC COMPANY. © 2007 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. I-769D_26 REV_D...
  • Page 29: Water Level And Low Air Alarm Tests

    Open the water supply main drain valve fully to flush the water supply of any contaminants. Close the system main drain valve. www.victaulic.com VICTAULIC IS A REGISTERED TRADEMARK OF VICTAULIC COMPANY. © 2007 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. REV_D I-769D_27...
  • Page 30 10. FORPNEUMATIC(DRYPILOT)RELEASESYSTEMS: When the normal system air pressure is reached, close the fast-fill ball valve on the AMTA. www.victaulic.com VICTAULIC IS A REGISTERED TRADEMARK OF VICTAULIC COMPANY. © 2007 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. I-769D_28 REV_D...
  • Page 31 14. Close the water supply main drain valve when a steady flow of water occurs. Water Supply Main Control Valve 15. Open the water supply main control valve fully. www.victaulic.com VICTAULIC IS A REGISTERED TRADEMARK OF VICTAULIC COMPANY. © 2007 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. REV_D I-769D_29...
  • Page 32: Required Operational (Trip) Tests

    Close the water supply main drain valve. Open the water supply main drain valve fully to flush the water supply of any contaminants. www.victaulic.com VICTAULIC IS A REGISTERED TRADEMARK OF VICTAULIC COMPANY. © 2007 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. I-769D_30 REV_D...
  • Page 33 10. Close the remote system test valve (inspector’s test connection) or the system main drain valve. NOTE: The system main drain valve is shown above. 11. FORPNEUMATIC(DRYPILOT)RELEASESYSTEMS:SHUTOFF THEAIRSUPPLY. www.victaulic.com VICTAULIC IS A REGISTERED TRADEMARK OF VICTAULIC COMPANY. © 2007 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. REV_D I-769D_31...
  • Page 34: Full Operational (Trip) Test

    Open the water supply main drain valve fully to flush the water Close the water supply main control valve. supply of any contaminants. www.victaulic.com VICTAULIC IS A REGISTERED TRADEMARK OF VICTAULIC COMPANY. © 2007 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. I-769D_32 REV_D...
  • Page 35 12. Open the system main drain valve to drain the system. 13. After the system is properly drained, close the remote system test valve (inspector’s test connection). www.victaulic.com VICTAULIC IS A REGISTERED TRADEMARK OF VICTAULIC COMPANY. © 2007 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. REV_D I-769D_33...
  • Page 36: Required Internal Inspection

    Open the water supply main drain valve. Confirm that water is not flowing from the water supply main drain valve. www.victaulic.com VICTAULIC IS A REGISTERED TRADEMARK OF VICTAULIC COMPANY. © 2007 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. I-769D_34 REV_D...
  • Page 37 FORPNEUMATIC(DRYPILOT)RELEASESYSTEMS: Close the slow-fill ball valve on the AMTA. 12. Push the latch back (toward the diaphragm). www.victaulic.com VICTAULIC IS A REGISTERED TRADEMARK OF VICTAULIC COMPANY. © 2007 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. REV_D I-769D_35...
  • Page 38 Victaulic-supplied diaphragm. Refer to the “Removing and Replacing the Diaphragm Assembly” section. www.victaulic.com VICTAULIC IS A REGISTERED TRADEMARK OF VICTAULIC COMPANY. © 2007 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. I-769D_36 REV_D...
  • Page 39: Maintenance

    Remove the seal washer from the clapper seal. Dry up any moisture that is under the seal washer and on the clapper seal. CAUTION • UseonlyVictaulic-suppliedreplacementparts. Failuretofollowthisinstructioncouldcauseimpropervalve operation,resultinginpropertydamage. www.victaulic.com VICTAULIC IS A REGISTERED TRADEMARK OF VICTAULIC COMPANY. © 2007 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. REV_D I-769D_37...
  • Page 40 Insert the seal washer carefully underneath the sealing lip of the gasket. Remove any contaminants, dirt, and mineral deposits from the clapper. www.victaulic.com VICTAULIC IS A REGISTERED TRADEMARK OF VICTAULIC COMPANY. © 2007 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. I-769D_38 REV_D...
  • Page 41: Removing And Replacing The Clapper Assembly

    13. Place the system back in service by following the “Placing the System in Service” section. Remove the clapper from the valve body. www.victaulic.com VICTAULIC IS A REGISTERED TRADEMARK OF VICTAULIC COMPANY. © 2007 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. REV_D I-769D_39...
  • Page 42 13. Place the system back in service by following the “Placing the valve body. System in Service” section. www.victaulic.com VICTAULIC IS A REGISTERED TRADEMARK OF VICTAULIC COMPANY. © 2007 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. I-769D_40 REV_D...
  • Page 43: Installing The Cover Plate Gasket And Cover Plate

    2-inch/60.3-mm valve sizes, a washer must be re-installed under the head of each cover plate bolt. CAUTION • DONOTover-tightenthecoverplatebolts. Failuretofollowthisinstructioncouldcausedamagetothe coverplategasket,resultinginvalveleakage. www.victaulic.com VICTAULIC IS A REGISTERED TRADEMARK OF VICTAULIC COMPANY. © 2007 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. REV_D I-769D_41...
  • Page 44: Removing And Replacing The Diaphragm Assembly

    Align the holes in the diaphragm with the holes in the valve body. Be careful not to damage the diaphragm during installation. www.victaulic.com VICTAULIC IS A REGISTERED TRADEMARK OF VICTAULIC COMPANY. © 2007 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. I-769D_42 REV_D...
  • Page 45: Replacing The Strainer Screen For Series 776 Low-Pressure Actuators

    Refer to the applicable trim drawing for details. Place the system back in service by following the “Placing the System in Service” section. www.victaulic.com VICTAULIC IS A REGISTERED TRADEMARK OF VICTAULIC COMPANY. © 2007 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. REV_D I-769D_43...
  • Page 46: Troubleshooting - Series 776 Low-Pressure Actuator

    The diaphragm is damaged. Contact Victaulic. Air is leaking from the diaphragm assembly. The diaphragm is damaged. Contact Victaulic. www.victaulic.com VICTAULIC IS A REGISTERED TRADEMARK OF VICTAULIC COMPANY. © 2007 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. I-769D_44 REV_D...
  • Page 48 I-769D INSTALLATION,MAINTENANCE,ANDTESTINGMANUAL FireLockNXT™DelugeValve SERIES 769 PNEUMATIC(DRYPILOT)RELEASEWITHSERIES776LOW-PRESSUREACTUATOR HYDRAULIC(WETPILOT)RELEASE ELECTRICRELEASEWITHSERIES753-ESOLENOIDVALVE WCAS-7EFF6T For complete contact information, visit www.victaulic.com I-769D4264REVDUPDATED05/2008Z000769D00 VICTAULIC IS A REGISTERED TRADEMARK OF VICTAULIC COMPANY. © 2007 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. I-769D...

This manual is also suitable for:

Firelock nxt 769 seriesFirelock nxt 753-e series

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