Victaulic FireLock 756 Series Installation, Maintenance, And Testing Manual

European dry valve stations with series 776 low-pressure actuator
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installation, Maintenance, and testing Manual
firelock
®
european dry valve stations
series 756
WitH series 776 loW-Pressure actuator
Warning
www.victaulic.com
Victaulic is a registered trademark of Victaulic company. © 2006 Victaulic company. all rights reserVed. printed in the usa.
rev_B
i-756lPa.vds
Hang tHese instructions on tHe
installed valve for easy future reference
Warning
failure to follow instructions and warnings can cause product
failure, resulting in serious personal injury and property
damage.
read and understand all instructions before attempting to
install any victaulic piping products.
Wear safety glasses, hardhat, and foot protection.
save this installation, maintenance, and testing manual for
future reference.
if you need additional copies of any literature, or if you have
any questions concerning the safe installation and operation of
this product, contact victaulic, Prijkelstraat 36, 9810 nazareth,
Belgium, Phone: 32-9-381-1500.
VdS
0786

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Summary of Contents for Victaulic FireLock 756 Series

  • Page 1 Prijkelstraat 36, 9810 nazareth, Belgium, Phone: 32-9-381-1500. www.victaulic.com Victaulic is a registered trademark of Victaulic company. © 2006 Victaulic company. all rights reserVed. printed in the usa. rev_B...
  • Page 3: Table Of Contents

    ........B/c www.victaulic.com Victaulic is a registered trademark of Victaulic company. © 2006 Victaulic company. all rights reserVed. printed in the usa. rev_B...
  • Page 4: Installer Safety Instructions

    Pressure to tHe valve decreases, MaKe sure tHe Piston cHarge line is fully Pressurized Before Placing tHe systeM BacK in service. www.victaulic.com Victaulic is a registered trademark of Victaulic company. © 2006 Victaulic company. all rights reserVed. printed in the usa. rev_B i-756lPa.vds_2...
  • Page 5: Introduction

    756 WitH series 776 loW-Pressure actuator introduction the following instructions are a guide for proper installation of Victaulic series 756 firelock dry Valves. these instructions involve pipe that is properly prepared and grooved in accordance with Victaulic specifications. notice •...
  • Page 6: Exploded View Drawing - Trim Components

    To Drip Normally Closed To System Optional Optional Air Maintenance Device To Drain Locked in Open Postion Water Supply www.victaulic.com Victaulic is a registered trademark of Victaulic company. © 2006 Victaulic company. all rights reserVed. printed in the usa. rev_B i-756lPa.vds_...
  • Page 7: Exploded View Drawing - Internal Valve Components

    Cover Plate Gasket Bolt Seal Cover Plate Seal Assembly Bolt Cover Plate Bolt Clapper Spring Latch Clapper Shaft Latch Spring www.victaulic.com Victaulic is a registered trademark of Victaulic company. © 2006 Victaulic company. all rights reserVed. printed in the usa. rev_B i-756lPa.vds_5...
  • Page 8: Section View Drawing And Description - Series 776 Low-Pressure Actuator

    VENT TO ATMOSPHERE AIR IN OUTLET PORT INLET PORT (TO DRAIN) (FROM PISTON) Exaggerated for Clarity www.victaulic.com Victaulic is a registered trademark of Victaulic company. © 2006 Victaulic company. all rights reserVed. printed in the usa. rev_B i-756lPa.vds_6...
  • Page 9: Series 746-Lpa Dry Accelerator

    Washer closing chamber adjustable seat actuator shaft Built-in check Valve compression spring To Pressure Gauge Exaggerated for Clarity www.victaulic.com Victaulic is a registered trademark of Victaulic company. © 2006 Victaulic company. all rights reserVed. printed in the usa. rev_B i-756lPa.vds_7...
  • Page 10: Air Supply Requirements

    757p air maintenance trim assembly with pressure switch should be installed. www.victaulic.com Victaulic is a registered trademark of Victaulic company. © 2006 Victaulic company. all rights reserVed. printed in the usa. rev_B i-756lPa.vds_8...
  • Page 11: Compressor Requirements And Settings For

    (inspector’s test connection) is used to ensure that water reaches the most remote part of the system within 60 seconds. www.victaulic.com Victaulic is a registered trademark of Victaulic company. © 2006 Victaulic company. all rights reserVed. printed in the usa. rev_B i-756lPa.vds_9...
  • Page 12: Valve/Trim Installation

    * teflon is a registered trademark of the dupont company www.victaulic.com Victaulic is a registered trademark of Victaulic company. © 2006 Victaulic company. all rights reserVed. printed in the usa. rev_B i-756lPa.vds_10...
  • Page 13: Placing The System In Service

    (4). confirm that all system drains are shut and that the system is free of leaks. www.victaulic.com Victaulic is a registered trademark of Victaulic company. © 2006 Victaulic company. all rights reserVed. printed in the usa. rev_B i-756lPa.vds_11...
  • Page 14 10. if air is leaking out of the restricted orifice/alarm line drain (18), close the alarm line ball valve (16). www.victaulic.com Victaulic is a registered trademark of Victaulic company. © 2006 Victaulic company. all rights reserVed. printed in the usa. rev_B i-756lPa.vds_12...
  • Page 15 16. if a series 746-lpa dry accelerator (28) is installed, open the 1/4- turn vent ball valve. 13. open the slow-fill ball valve on the amta (27). www.victaulic.com Victaulic is a registered trademark of Victaulic company. © 2006 Victaulic company. all rights reserVed. printed in the usa. rev_B i-756lPa.vds_13...
  • Page 16 (2), and start over at step 1. refer to the "troubleshooting" section on page 26. www.victaulic.com Victaulic is a registered trademark of Victaulic company. © 2006 Victaulic company. all rights reserVed. printed in the usa. rev_B i-756lPa.vds_1...
  • Page 17 75d Water column kit can be installed to automate this step. www.victaulic.com Victaulic is a registered trademark of Victaulic company. © 2006 Victaulic company. all rights reserVed. printed in the usa. rev_B i-756lPa.vds_15...
  • Page 18: External Inspection

    "troubleshooting" section on page 39. www.victaulic.com Victaulic is a registered trademark of Victaulic company. © 2006 Victaulic company. all rights reserVed. printed in the usa. rev_B i-756lPa.vds_16...
  • Page 19: Required System Tests

    Verify that all alarms stopped sounding, that the alarm line drained properly, and that remote station alarms reset properly. close the alarm line ball valve (16). www.victaulic.com Victaulic is a registered trademark of Victaulic company. © 2006 Victaulic company. all rights reserVed. printed in the usa. rev_B i-756lPa.vds_17...
  • Page 20: Water Level And Low Air Alarm Tests

    11. provide test results to the authority having jurisdiction, if required. www.victaulic.com Victaulic is a registered trademark of Victaulic company. © 2006 Victaulic company. all rights reserVed. printed in the usa. rev_B i-756lPa.vds_18...
  • Page 21 10. open the slow-fill ball valve on the amta (27). close the slow-fill ball valve on the amta (27). www.victaulic.com Victaulic is a registered trademark of Victaulic company. © 2006 Victaulic company. all rights reserVed. printed in the usa. rev_B i-756lPa.vds_19...
  • Page 22 13. if a series 746-lpa dry accelerator (28) is installed, close the 1/4-turn vent ball valve. this will set the accelerator. www.victaulic.com Victaulic is a registered trademark of Victaulic company. © 2006 Victaulic company. all rights reserVed. printed in the usa. rev_B i-756lPa.vds_20...
  • Page 23: Required Operational (Trip) Tests

    (inspector's test connection) or the system main drain valve (4). note: the system main drain valve (4) is shown above. www.victaulic.com Victaulic is a registered trademark of Victaulic company. © 2006 Victaulic company. all rights reserVed. printed in the usa. rev_B i-756lPa.vds_21...
  • Page 24: Full Operational (Trip) Test

    4d. all information required by the authority having jurisdiction confirm that all alarms operate properly. continue to run water until it is clear. www.victaulic.com Victaulic is a registered trademark of Victaulic company. © 2006 Victaulic company. all rights reserVed. printed in the usa. rev_B i-756lPa.vds_22...
  • Page 25 10. open the system main drain valve (4) to drain the system. 11. 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. © 2006 Victaulic company. all rights reserVed. printed in the usa. rev_B i-756lPa.vds_23...
  • Page 26: Required Internal Inspection

    (2) to take the system out of service. close the slow-fill ball valve on the amta (27). www.victaulic.com Victaulic is a registered trademark of Victaulic company. © 2006 Victaulic company. all rights reserVed. printed in the usa. rev_B i-756lPa.vds_2...
  • Page 27 Victaulic is a registered trademark of Victaulic company. © 2006 Victaulic company. all rights reserVed. printed in the usa. rev_B i-756lPa.vds_25...
  • Page 28: Maintenance

    Victaulic is a registered trademark of Victaulic company. © 2006 Victaulic company. all rights reserVed. printed in the usa. rev_B i-756lPa.vds_26...
  • Page 29 11. clapper. www.victaulic.com Victaulic is a registered trademark of Victaulic company. © 2006 Victaulic company. all rights reserVed. printed in the usa. rev_B i-756lPa.vds_27...
  • Page 30: Removing And Replacing The Clapper Assembly

    Victaulic is a registered trademark of Victaulic company. © 2006 Victaulic company. all rights reserVed. printed in the usa. rev_B i-756lPa.vds_28...
  • Page 31: Installing The Cover Plate Gasket And Cover Plate

    Victaulic is a registered trademark of Victaulic company. © 2006 Victaulic company. all rights reserVed. printed in the usa. rev_B i-756lPa.vds_29...
  • Page 32: Removing And Replacing The Piston Assembly

    "placing the system in service" section, starting on page 11. www.victaulic.com Victaulic is a registered trademark of Victaulic company. © 2006 Victaulic company. all rights reserVed. printed in the usa. rev_B i-756lPa.vds_30...
  • Page 33: Troubleshooting - Series 776 Low-Pressure Actuator

    Air is leaking from the vent hole in the piston assembly. The piston rod seal is damaged. Contact Victaulic. www.victaulic.com Victaulic is a registered trademark of Victaulic company. © 2006 Victaulic company. all rights reserVed. printed in the usa. rev_B i-756lPa.vds_31...
  • Page 36 44 (0) 1438741100 971-4-883-88-70 44 (0) 1438313883 (fax) 971-4-883-88-60 (fax) WCAS-6M8PRY viceuro@victaulic.be uPdated /2006 i-756lPa.vds 3813 rev B z000756vPa Victaulic is a registered trademark of Victaulic company. © 2006 Victaulic company. all rights reserVed. printed in the usa. i-756lPa.vds...

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