Victaulic FireLock NXT 769 Series Installation, Maintenance, And Testing Manual
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Victaulic FireLock NXT 769 Series Installation, Maintenance, And Testing Manual

Autoconvert preaction valve preaction electric autoconvertdry trim
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INSTALLATION,MAINTENANCE,ANDTESTINGMANUAL
FireLockNXT™AutoConvertPreactionValve
SERIES 769
PreactionElectricAutoConvertDryTrim
WARNING
www.victaulic.com
VICTAULIC IS A REGISTERED TRADEMARK OF VICTAULIC COMPANY. © 2009 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA.
REV_B
I-769P.AC/ELEC
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.

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Summary of Contents for Victaulic FireLock NXT 769 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. © 2009 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. REV_B...

  • Page 3: Table Of Contents

    Required Internal Inspection ....... 38 www.victaulic.com VICTAULIC IS A REGISTERED TRADEMARK OF VICTAULIC COMPANY. © 2009 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. REV_B...

  • Page 4: Installer Safety Instructions

    Keepworkareasclean. Cluttered areas, benches, and slippery floors can create hazardous working conditions. PROTECTTHESYSTEMFROMFREEZINGCONDITIONS.THE VALVEANDSUPPLYPIPINGMUSTBEPROTECTEDFROM FREEZINGTEMPERATURESANDMECHANICALDAMAGE. 10. IFTHEINLETWATERSUPPLYISINTERRUPTEDFORANY REASON,ANDSYSTEMSUPPLYPRESSURETOTHEVALVE DECREASES,MAKESURETHEDIAPHRAGMCHARGELINEIS FULLYPRESSURIZEDBEFOREPLACINGTHESYSTEMBACK INSERVICE. www.victaulic.com VICTAULIC IS A REGISTERED TRADEMARK OF VICTAULIC COMPANY. © 2009 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. I-769P.AC/ELEC_2 REV_B...

  • Page 5: Trim Dimensions

    The 1 ½ – 2-inch/48.3 – 60.3-mm configurations contain ¾-inch/19-mm drain valves. The 2 ½ – 3-inch/73.0 – 88.9-mm configurations contain 1 ¼-inch/31-mm drain valves. The 4 – 8-inch/114.3 – 219.1-mm configurations contain 2-inch/50-mm drain valves. www.victaulic.com VICTAULIC IS A REGISTERED TRADEMARK OF VICTAULIC COMPANY. © 2009 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. REV_B I-769P.AC/ELEC_3...

  • Page 6: Exploded View Drawing - Trim Components

    For information regarding installation of the Series 75B Supplemental Alarm Device or 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. © 2009 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. I-769P.AC/ELEC_4 REV_B...
  • Page 7 Remove this plug when   installing an optional pressure switch. or Drain To Drain Connection Assembly or Drain www.victaulic.com VICTAULIC IS A REGISTERED TRADEMARK OF VICTAULIC COMPANY. © 2009 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. REV_B I-769P.AC/ELEC_5...

  • Page 8: 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. © 2009 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. I-769P.AC/ELEC_6 REV_B...

  • Page 9: Description - Autoconvert Trim Assembly

    LATCHINGSOLENOIDMODULECUTAWAY Enclosure Stando Washer Stando Panel Support Screw Self-Sealing Lock Washer O-Ring Lock Nut Latching Solenoid www.victaulic.com VICTAULIC IS A REGISTERED TRADEMARK OF VICTAULIC COMPANY. © 2009 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. REV_B I-769P.AC/ELEC_7...

  • Page 10: Section View Drawing And Description

    Strainer O-Ring Seal* Illustration is exaggerated for clarity * Denotes components that can be replaced in the field www.victaulic.com VICTAULIC IS A REGISTERED TRADEMARK OF VICTAULIC COMPANY. © 2009 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. I-769P.AC/ELEC_8 REV_B...

  • Page 11: Section View Drawing And Description

    45° AND BOLT REMOVED FOR CLARITY Illustration is exaggerated for clarity * Denotes components that can be replaced in the field www.victaulic.com VICTAULIC IS A REGISTERED TRADEMARK OF VICTAULIC COMPANY. © 2009 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. REV_B I-769P.AC/ELEC_9...

  • Page 12: Air Supply Requirements

    (Normally Closed) Pressure Switch Isolation Ball Valve (Normally Open - Lockable) FROM COMPRESSOR SYSTEM SYSTEM CAPACITY (in gallons) www.victaulic.com VICTAULIC IS A REGISTERED TRADEMARK OF VICTAULIC COMPANY. © 2009 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. I-769P.AC/ELEC_10 REV_B...

  • Page 13: Shop Air Or Tank-Mounted Air Compressors

    Air or nitrogen supply to the dry piping system must be clean, dry, and oil-free. Air supplies must be regulated, restricted, and continuous. www.victaulic.com VICTAULIC IS A REGISTERED TRADEMARK OF VICTAULIC COMPANY. © 2009 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. REV_B I-769P.AC/ELEC_11...

  • Page 14: Valve/Trim Installation

    * Teflon is a registered trademark of the DuPont Company www.victaulic.com VICTAULIC IS A REGISTERED TRADEMARK OF VICTAULIC COMPANY. © 2009 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. I-769P.AC/ELEC_12 REV_B...
  • Page 15 I-769P.AC/ELEC INSTALLATION,MAINTENANCE,ANDTESTINGMANUAL FireLockNXT™AutoConvertPreactionValve SERIES 769 PreactionElectricAutoConvertDryTrim THISPAGEINTENTIONALLYLEFTBLANK www.victaulic.com VICTAULIC IS A REGISTERED TRADEMARK OF VICTAULIC COMPANY. © 2009 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. REV_B I-769P.AC/ELEC_13...

  • Page 16: System Sensor Pdrp-2001 Field Wiring Diagram (Standard)

    I-769P.AC/ELEC INSTALLATION,MAINTENANCE,ANDTESTINGMANUAL FireLockNXT™AutoConvertPreactionValve SERIES 769 PreactionElectricAutoConvertDryTrim www.victaulic.com VICTAULIC IS A REGISTERED TRADEMARK OF VICTAULIC COMPANY. © 2009 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. I-769P.AC/ELEC_14 REV_B...

  • Page 17: System Sensor Pdrp-2001 Field Wiring Diagram (Standard, Low-Pressure Switch - Double-Interlocked, Electric-Pneumatic/Electric)

    I-769P.AC/ELEC INSTALLATION,MAINTENANCE,ANDTESTINGMANUAL FireLockNXT™AutoConvertPreactionValve SERIES 769 PreactionElectricAutoConvertDryTrim EOLR www.victaulic.com VICTAULIC IS A REGISTERED TRADEMARK OF VICTAULIC COMPANY. © 2009 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. REV_B I-769P.AC/ELEC_15...

  • Page 18: Potter Pfc-4410Rc Field Wiring Diagram (Standard)

    I-769P.AC/ELEC INSTALLATION,MAINTENANCE,ANDTESTINGMANUAL FireLockNXT™AutoConvertPreactionValve SERIES 769 PreactionElectricAutoConvertDryTrim EOLR EOLR EOLR www.victaulic.com VICTAULIC IS A REGISTERED TRADEMARK OF VICTAULIC COMPANY. © 2009 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. I-769P.AC/ELEC_16 REV_B...

  • Page 19: Potter Pfc-4410Rc Field Wiring Diagram (Standard, Low-Pressure Switch - Double-Interlocked, Electric-Pneumatic/Electric)

    I-769P.AC/ELEC INSTALLATION,MAINTENANCE,ANDTESTINGMANUAL FireLockNXT™AutoConvertPreactionValve SERIES 769 PreactionElectricAutoConvertDryTrim EOLR EOLR EOLR www.victaulic.com VICTAULIC IS A REGISTERED TRADEMARK OF VICTAULIC COMPANY. © 2009 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. REV_B I-769P.AC/ELEC_17...

  • Page 20: Sample Program For System Sensor Pdrp-2001 Panel

    25. Press “ESC” several times to end 2=TYPE 2-WIRE SMOKE 3=OUTPUT CIRCUIT MAP 1=ALARM NAC 2=RELEASE 1 Return to INPUT ZONES www.victaulic.com VICTAULIC IS A REGISTERED TRADEMARK OF VICTAULIC COMPANY. © 2009 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. I-769P.AC/ELEC_18 REV_B...

  • Page 21: Sample Program For Potter Signal Pfc-4410Rc Panel

    19. Push Program/Run Switch up to RUN if no other options are need- ed (refer to programming manual provided with panel) www.victaulic.com VICTAULIC IS A REGISTERED TRADEMARK OF VICTAULIC COMPANY. © 2009 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. REV_B I-769P.AC/ELEC_19...

  • Page 22: Placing The System In Service

    Confirm that all system drains are shut and that the system is free of leaks. 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. © 2009 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. I-769P.AC/ELEC_20 REV_B...
  • Page 23 776 Low-Pressure Actuator. If a Series 746-LPA Dry Accelerator is installed, make sure the accelerator is not flooded. Diaphragm-Charge- Line Ball Valve Close the diaphragm-charge-line ball valve. www.victaulic.com VICTAULIC IS A REGISTERED TRADEMARK OF VICTAULIC COMPANY. © 2009 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. REV_B I-769P.AC/ELEC_21...
  • Page 24 5) maintains the normal system air pressure and does not track the system air loss created in step 15. www.victaulic.com VICTAULIC IS A REGISTERED TRADEMARK OF VICTAULIC COMPANY. © 2009 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. I-769P.AC/ELEC_22 REV_B...
  • Page 25 (“UP”) position. Verify that there is pressure on the gauge to the diaphragm charge line. 23. FORSYSTEMSINSTALLEDWITHASERIES746-LPADRY ACCELERATOR: Close the 1/4-turn vent ball valve on the accelerator. www.victaulic.com VICTAULIC IS A REGISTERED TRADEMARK OF VICTAULIC COMPANY. © 2009 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. REV_B I-769P.AC/ELEC_23...
  • Page 26 27. Open the water supply main control valve slowly until water flows steadily from the open water supply main drain valve. www.victaulic.com VICTAULIC IS A REGISTERED TRADEMARK OF VICTAULIC COMPANY. © 2009 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. I-769P.AC/ELEC_24 REV_B...
  • Page 27 Series 75D Water Column Kit can be installed to automate this step. NOTICE • Ifthemaindrainvalveisopenforaprolongedperiodoftime, thesystemairpressuremaybeloweredtoapointwherethe preactionvalvewilloperate. www.victaulic.com VICTAULIC IS A REGISTERED TRADEMARK OF VICTAULIC COMPANY. © 2009 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. REV_B I-769P.AC/ELEC_25...

  • Page 28: External Inspection

    If the air chamber’s pres- sure is below the system air pressure, follow the “Troubleshooting” section. www.victaulic.com VICTAULIC IS A REGISTERED TRADEMARK OF VICTAULIC COMPANY. © 2009 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. I-769P.AC/ELEC_26 REV_B...

  • Page 29: 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. © 2009 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. REV_B I-769P.AC/ELEC_27...

  • Page 30: 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. © 2009 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. I-769P.AC/ELEC_28 REV_B...

  • Page 31: Autoconvert System Test

    10. Provide test results to the authority having jurisdiction, if required. www.victaulic.com VICTAULIC IS A REGISTERED TRADEMARK OF VICTAULIC COMPANY. © 2009 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. REV_B I-769P.AC/ELEC_29...
  • Page 32 10. When the normal system air pressure is reached, close the fast-fill ball valve on the AMTA. Close the system main drain valve. www.victaulic.com VICTAULIC IS A REGISTERED TRADEMARK OF VICTAULIC COMPANY. © 2009 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. I-769P.AC/ELEC_30 REV_B...
  • Page 33 17. Confirm that all valves are in their normal operating positions (refer to the table on the following page). Failuretofollowthisinstructioncouldresultinpropertydamage. www.victaulic.com VICTAULIC IS A REGISTERED TRADEMARK OF VICTAULIC COMPANY. © 2009 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. REV_B I-769P.AC/ELEC_31...

  • Page 34: Water Level And Low Air Alarm Tests

    If a Series 746-LPA Dry Accelerator is installed, close the isolation ball valve. Water Supply Main Control Valve Close the water supply main control valve. www.victaulic.com VICTAULIC IS A REGISTERED TRADEMARK OF VICTAULIC COMPANY. © 2009 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. I-769P.AC/ELEC_32 REV_B...
  • Page 35 Ball Valve 12. Open the slow-fill ball valve on the AMTA. Close the slow-fill ball valve on the AMTA. www.victaulic.com VICTAULIC IS A REGISTERED TRADEMARK OF VICTAULIC COMPANY. © 2009 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. REV_B I-769P.AC/ELEC_33...
  • Page 36 15. Open the water supply main control valve slowly until water flows steadily from the open water supply main drain valve. www.victaulic.com VICTAULIC IS A REGISTERED TRADEMARK OF VICTAULIC COMPANY. © 2009 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. I-769P.AC/ELEC_34 REV_B...

  • Page 37: Required Operational (Trip) Tests

    Open the water supply main drain valve fully to flush the water supply of any contaminants. Close the water supply main drain valve. www.victaulic.com VICTAULIC IS A REGISTERED TRADEMARK OF VICTAULIC COMPANY. © 2009 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. REV_B I-769P.AC/ELEC_35...

  • Page 38: Full Operational (Trip) Test

    12. 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. 13. SHUTOFFTHEAIRSUPPLY. www.victaulic.com VICTAULIC IS A REGISTERED TRADEMARK OF VICTAULIC COMPANY. © 2009 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. I-769P.AC/ELEC_36 REV_B...
  • Page 39 13. Open the system main drain valve to drain the system. 14. 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. © 2009 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. REV_B I-769P.AC/ELEC_37...

  • Page 40: Required Internal Inspection

    Control Valve Close the water supply main control valve to take the system out of service. www.victaulic.com VICTAULIC IS A REGISTERED TRADEMARK OF VICTAULIC COMPANY. © 2009 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. I-769P.AC/ELEC_38 REV_B...
  • Page 41 NOTE: The 1 1/2-inch/48.3-mm and 2-inch/60.3-mm valve sizes contain washers under the heads of the cover plate bolts. Keep these washers for re-installation. www.victaulic.com VICTAULIC IS A REGISTERED TRADEMARK OF VICTAULIC COMPANY. © 2009 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. REV_B I-769P.AC/ELEC_39...
  • Page 42 Victaulic-supplied diaphragm. Refer to the “Removing and Replacing the Diaphragm Assembly” section. www.victaulic.com VICTAULIC IS A REGISTERED TRADEMARK OF VICTAULIC COMPANY. © 2009 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. I-769P.AC/ELEC_40 REV_B...

  • Page 43: 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. © 2009 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. REV_B I-769P.AC/ELEC_41...
  • Page 44 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. © 2009 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. I-769P.AC/ELEC_42 REV_B...

  • Page 45: 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. © 2009 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. REV_B I-769P.AC/ELEC_43...
  • Page 46 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. © 2009 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. I-769P.AC/ELEC_44 REV_B...

  • Page 47: Installing The Cover Plate Gasket And Cover Plate

    2-inch/60.3-mm valve sizes, a washer must be 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. © 2009 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. REV_B I-769P.AC/ELEC_45...

  • Page 48: Removing And Replacing The Diaphragm Assembly

    Clean the back of the valve body to remove any debris that may interfere with proper diaphragm seating. www.victaulic.com VICTAULIC IS A REGISTERED TRADEMARK OF VICTAULIC COMPANY. © 2009 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. I-769P.AC/ELEC_46 REV_B...

  • Page 49: 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. © 2009 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. REV_B I-769P.AC/ELEC_47...

  • Page 50: Troubleshooting - Series 776 Low-Pressure Actuator

    Disassemble the trim at the Latching Solenoid Module, clean out any decay test. debris, and re-test the system. www.victaulic.com VICTAULIC IS A REGISTERED TRADEMARK OF VICTAULIC COMPANY. © 2009 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. I-769P.AC/ELEC_48 REV_B...

  • Page 51: Troubleshooting - System

    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. © 2009 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. REV_B I-769P.AC/ELEC_49...
  • Page 52 I-769P.AC/ELEC INSTALLATION,MAINTENANCE,ANDTESTINGMANUAL FireLockNXT™AutoConvertPreactionValve SERIES 769 PreactionElectricAutoConvertDryTrim For complete contact information, visit www.victaulic.com I-769P.AC/ELEC5666REVBUPDATED09/2009Z0AC769PEL VICTAULIC IS A REGISTERED TRADEMARK OF VICTAULIC COMPANY. © 2009 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA. I-769P.AC/ELEC...

This manual is also suitable for:

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