Victaulic FireLock NXT 776 Series User Manual

INSTALLER SAFETY INSTRUCTIONS
WARNING
Anexperienced,trainedinstallermustinstallthisproductinaccordancewithallinstructions.These•
instructionscontainimportantinformation.
Depressurizeanddrainthepipingsystembeforeattemptingtoinstall,remove,adjust,ormaintainany•
Victaulicpipingproducts.
Failuretofollowtheseinstructionscancauseproductfailure,resultinginseriouspersonalinjuryand/or
propertydamage.
GENERAL
Readandunderstandallinstructionsandrefertothetrim1.
diagramsbeforeproceedingwiththeinstallation,maintenance,
andtestingofthisVictaulicSeries769FireLockNXTDeluge
Valve.
Inspecttheshipment.2. Make sure all components are included in
the shipment and that all necessary tools are available for installa-
tion.
Useonlyrecommendedaccessories.3. Accessories and equipment
that are not approved for use with this valve may cause improper
system operation.
Wearsafetyglasses,hardhat,footprotection,andhearing4.
protection. Wear hearing protection if you are exposed to long
periods of noisy job-site operations.
Preventbackinjury.5. Larger and pre-trimmed valves are heavy and
require more than one person or mechanical lifting equipment to
position and install the assembly. Always practice proper lifting
techniques.
Avoidusingelectricallypoweredtoolsindangerousenviron-6.
ments. When using electrically powered tools for installation, make
sure the area is moisture-free. Keep the work area well lit, and
allow enough space to accommodate proper installation of the
valve, trim, and accessories.
Watchforpinchpoints.7. Do not place fingers under the valve
body where they could be pinched by the weight of the valve. Use
caution around spring-loaded components (i.e. clapper assembly).
Keepworkareasclean.8. Cluttered areas, benches, and slippery
floors can create hazardous working conditions.
PROTECTTHESYSTEMFROMFREEZINGCONDITIONS.THE9.
VALVEANDSUPPLYPIPINGMUSTBEPROTECTEDFROM
FREEZINGTEMPERATURESANDMECHANICALDAMAGE.
IFTHEINLETWATERSUPPLYISINTERRUPTEDFORANY10.
REASON,ANDSYSTEMSUPPLYPRESSURETOTHEVALVE
DECREASES,MAKESURETHEDIAPHRAGMCHARGELINEIS
FULLYPRESSURIZEDBEFOREPLACINGTHESYSTEMBACK
INSERVICE.
MAINTENANCEANDTESTING
Notifytheauthorityhavingjurisdiction.1. Always notify the author-
ity having jurisdiction before performing any maintenance that
eliminates the fire protection provided by the system.
FollowNFPArequirementsforsystemtestingandinspection2.
schedules. The building owner or their representative is responsi-
ble for inspecting the system in accordance with current NFPA-25
requirements or in accordance with the requirements of the local
authority having jurisdiction (whichever is more stringent).
Depressurizeanddrainthesystemcompletelybeforeperforming3.
anymaintenance. Water under pressure can cause the cover plate
to blow off during removal if the system is not depressurized and
drained completely.
Protectthevalvefromfreezingtemperatures,foreignmatter,4.
andcorrosiveatmospheres. Any condition that might degrade the
system or affect system performance must be avoided.
I-769D_2
FireLockNXT™DelugeValve
SERIES 769
I-769D
INSTALLATION,MAINTENANCE,ANDTESTINGMANUAL
www.victaulic.com
VICTAULIC IS A REGISTERED TRADEMARK OF VICTAULIC COMPANY. © 2007 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA.
REV_D

Victaulic FireLock NXT 776 Series Specifications

General

Brand	Victaulic
Model	FireLock NXT 776 Series
Category	Control Unit
Language	English