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INSTALLATION,MAINTENANCE,ANDTESTINGMANUAL
FireLockNXT™DryValve
SERIES768
REQUIREDOPERATIONAL(TRIP)TESTS
PARTIALOPERATIONAL(TRIP)TEST
•
T hebuildingownerortheirrepresentativeisresponsiblefor
maintainingthefireprotectionsysteminproperoperating
c ondition.
•
Toensurepropersystemoperation,valvesmustbeinspected
inaccordancewithcurrentNFPA-25requirementsorin
accordancewiththerequirementsofthelocalauthorityhaving
jurisdiction(whicheverismorestringent).Alwaysrefertothe
instructionsinthismanualforadditionalinspectionandtesting
requirements.
•
Thefrequencyofinspectionsmustbeincreasedinthe
presenceofcontaminatedwatersupplies,corrosive/scaling
watersupplies,andcorrosiveatmospheres.
•
Depressurizeanddrainthepipingsystembeforeattemptingto
install,remove,adjust,ormaintainanyVictaulicproducts.
Failuretofollowtheseinstructionscouldcausesystemfailure,
resultingindeath,seriouspersonalinjury,andpropertydamage.
Partial operational (trip) tests are required to confirm proper valve
operation; however, this test does not confirm full system operation.
Victaulic recommends performing the partial operational (trip) test
annually (at minimum). NOTE: The frequency of the partial operational
(trip) test must be increased in the presence of contaminated water
supplies, corrosive/scaling water supplies, and corrosive atmospheres.
In addition, the authority having jurisdiction in the area may require
partial operational (trip) tests on a more frequent basis. Verify these
requirements by contacting the authority having jurisdiction in the
affected area.
1.
Notify the authority having jurisdiction, remote station alarm
monitors, and those in the affected area that the partial operational
(trip) test will be performed.
2.
Record the water supply pressure and system air pressure.
3.
Open the water supply main drain valve fully to flush the water
supply of any contaminants.
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VICTAULIC IS A REGISTERED TRADEMARK OF VICTAULIC COMPANY. © 2007 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA.
REV_D
WARNING
4.
Close the water supply main control valve to the point where
additional closure will not provide flow through the water supply
main drain valve.
5.
Open the water supply main control valve slowly until a small
amount of water flows through the water supply main drain valve.
6.
Close the water supply main drain valve.
I-768
Water Supply Main
Control Valve
Water Supply Main
Control Valve
I-768_25
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Questions and answers
Installed a new Actuator on a Victaulic NXT S 768 Air Dry System Piping The system aired up but when pulling pin to set priming water the water would dump out Actuator
Water could dump out of the actuator when setting priming water on a Victaulic FireLock NXT 768 Series Air Dry System if the outlet of the auto drain, drip check, or actuator is not properly connected using the provided compression fittings and tubes. The manual specifically warns against inserting a plug into these outlets instead of using the correct fittings. Improper installation could lead to unintended water discharge.
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