Zenner RTKD Installation Manual

Also see for RNK-L-RP-N: Installation instructions

Contents

declaration of conformity

Zenner RTKD Installation Manual Manual pdf 3 page image

4EnglishSubjecttomodificationsanderrorsexcepted.Anyliabilityformisprintsexcluded.■ Dismantleexistingmetersoradjustingpiece.■ Useonlynewandflawlesssealingmaterial.■ Checkthesealingsurfacefordamage.■ Pay attention to correct flow direction while in-stalling. Ensure that during the installation pro-cess the gaskets do not slip, do not fall out, orare damaged.■ Installationposition:– RNK-RP-N/RNK-L-RP-N:anyinstallationpositionpossible– RTKD:any installation position possible exceptoverhead– RTKDE:anyinstallationpositionpossibleexceptoverhead– RTKD - L:anyinstallationpositionpossibleexceptoverhead– RTKDE - L:any installation position possible exceptoverhead■ Screw the connection nuts and tighten them.■ Openvalescarefullytoavoidpressureshocks.■ Check installation point for leak tightness. Theroller dial and conformity /metrology indicationmarks have to be visible and readable at anytime.Additional instructions for installation of plas-tic meter:■ In order to guarantee a stress-free installation,we recommend the use of a water meter installa-tionbracket(WZAG).■ Recommended tightening torque for the connec-tors:min.20Nmuptomax.30Nm.Declaration of conformityZENNER International GmbH & Co. KG declaresthattheproductswithfollowingnumberoftheECtype-examinationcertificateDE-10-MI001-PTB001aswellasDE-11-MI001-PTB016complieswiththeessentialrequirementsoftheECdirective2014/32/EU (Measuring instruments directive).ZENNERInternationalGmbH&Co.KGherebyde-clares that the product for Remote Metering withtheapplicationWirelessCommunicationscomplieswiththeessentialrequirementsoftheECdirective1999/5/CE(R&TTE).The declaration of conformity and the latest in-formation about this product can be accessed ordownloaded from www.zenner.comGeneral notes■ Watermetersareprecisioninstruments.Protectagainst shock and vibration. Store frost-free.■ The sealing surfaces are equipped with threadprotectioncapsandthusprotectedfromdamage.■ Checkbeforebeginningtheinstallation:– sealingsurfaceshavetobeflatandfreefromdamage such as notches, grooves, etc..– all of indication marks on the roller dial have tobe readable.*– meterhastofitintype,size,temperatureandpres-sure rating to the installation and mete-ringpoint.■ Pleasepayattentiontotheinformationoninstal-lationpositiononthedial.■ By polluted or loaded water we recommend toinstallfiltersorstrainersintheinletupstreamofthe meter.■ The meter should always be installed at the lo-westpossiblepointofthepipingaswellasfrostprotectedtopreventtheaccumulationofairanddamages.■ Thewatermeterhastobeinstalledintothepipe-line being free of any of mechanical forces ortensions.■ Duringtheoperatingprocesswatermeterhastobecompletelyfilledwithwater.■ Themeterhastobeprotectedwithappropriatemeasures against pressure shocks in the pipe-line.■ By risk of frost, empty completely and shut offthe installation (including the meter), if necessa-ry,dismountthemeter.■ The meter has always to be easily accessibleand legible, including all indications on the mar-king ring or dial.■ Werecommend to ensureinstallation points onthepipelinewithasealagainstunauthorizeddis-mounting. The seal should not be removable orloosened without visible damage.■ Theinstallation has to be carry out by qualifiedpersonnel.Installation:■ Readthisinstructioncarefullyrightuptotheend!■ Closestopvalvesupstreamanddownstreamthemeter.■ Dischargepressureattheinstallationpoint.* Data regarding the flow rates are depending on the respective nominal size.ZENNER International GmbH & Co. KGRömerstadt 6D - 66121 SaarbrückenTelephone +49 681 99 676-30Telefax +49 681 99 676-3100E-Mail info@zenner.comInternet www.zenner.com