Watts LF007 Series Installation, Maintenance & Repair

Watts LF007 Series Installation, Maintenance & Repair Manual pdf 1 page image

Installation, Maintenance, & RepairSeries 007 and LF007Double Check Valve AssembliesSizes: 1⁄2" – 3"NOTICEFor Australia and New Zealand, line strainers should be installedbetween the upstream shutoff valve and the inlet of the backflowpreventer.3 ⁄4 " 007M3QTRP/IS-007Watts product specifications in U.S. customary units and metricare approximate and are provided for reference only. For precisemeasurements, please contact Watts Technical Service. Wattsreserves the right to change or modify product design, construc-tion, specifications, or materials without prior notice and withoutincurring any obligation to make such changes and modificationson Watts products previously or subsequently sold.TestingFor field testing procedure, refer to Watts installation sheetsIS-TK-DP/DL, IS-TK-9A, IS-TK-99E and IS-TK-99D found onWatts.com.For other repair kits and service parts, refer to our BackflowPrevention Products Repair Kits & Service Parts price list PL-RP-BPD found on Watts.com.For technical assistance, contact your local Watts representative.WARNING!Read this Manual BEFORE using this equipment.Failure to read and follow all safety and use informationcan result in death, serious personal injury, propertydamage, or damage to the equipment.Keep this Manual for future reference. Installation InstructionsSeries 007 and LF0071⁄2" - 2"Indoors - Figure 1Check local codes for installation requirements. Pipe lines shouldbe thoroughly flushed to remove foreign material before installingthe unit. A strainer should be installed as shown, ahead of backflowpreventer to prevent disc from unnecessary fouling. Install valveinline with arrow on valve body pointing in the direction of flow.For indoor installations, it is important that the valve be easily acces-sible to facilitate testing and servicing. Do not install in a concealedlocation.CAUTION!Do not install with strainer when backflow preventer is used onseldom-used water lines which are called upon during emergen-cies, such as fire sprinkler lines, etc.It is important that Series 007 and LF007 be tested periodically incompliance with local codes, but at least once a year or more oftendepending upon system conditions. Regular inspection, testing andcleaning assures maximum life and proper product function.NOTICEFire Protection System InstallationsThe National Fire Protection Agency (NFPA) Guidelines require aconfirming flow test to be conducted whenever a “main line” valvesuch as the shutoff valves or a backflow assembly have been oper-ated. Certified testers of backflow assemblies must conduct thistest. The trim valves of the detector meter bypass line, on assem-blies so equipped, should be shutoff during the confirming flow test.When the test is completed, the trim valves must be returned to afully open position.Meter Box InstallationLocal building or plumbing codes may require modificationsto the information provided. You are required toconsult the local building and plumbing codes prior toinstallation. If the information provided here is not consis-tent with local building or plumbing codes, the local codesshould be followed. This product must be installed by alicensed contractor in accordance with local codes andordinances.WARNING!Need for Periodic Inspection/Maintenance: This productmust be tested periodically in compliance with local codes, butat least once per year or more as service conditions warrant.All products must be retested once maintenance has beenperformed. Corrosive water conditions and/or unauthorizedadjustments or repair could render the product ineffective for theservice intended. Regular checking and cleaning of the product’sinternal and external components helps assure maximum life andproper product function.WARNING!

/ 4

Related manuals for Watts 0062427