Zenner RNK-RP-N Manual De Montaje página 2

EnergyMetering
EN
English
Installation manual volumetric rotary piston
RNK-RP-N/RTKD/RTKDE/RTKD - L/RTKDE - L
General notes
■
 W ater meters are precision instruments. Protect against  shock
and vibration. Store frost-free.
■
 T he sealing surfaces are equipped with thread protection caps
andthusprotectedfromdamage.
■
Checkbeforebeginningtheinstallation:
–  s ealingsurfaceshavetobeflatandfreefromdamagesuchas
notches, grooves, etc..
– all of indication marks on the roller dial have to be readable.*
–  m eterhastofitintype,size,temperatureandpres-surerating
totheinstallationandmeteringpoint.
■
 P leasepayattentiontotheinformationoninstallationpositionon
the dial.
■
 B y polluted or loaded water we recommend to install filters or
strainersintheinletupstreamofthemeter.
■
 T hemetershouldalwaysbeinstalledatthelowestpossiblepoint
ofthepipingaswellasfrostprotectedtopreventtheaccumulation
of air and damages.
■
 T hewatermeterhastobeinstalledintothepipelinebeingfreeof
anyofmechanicalforcesortensions.
■
 D uring the operating process water meter has to becompletely
filledwithwater.
■
 T hemeterhastobeprotectedwithappropriatemeasuresagainst
pressureshocksinthepipeline.
■
 B yriskoffrost,emptycompletelyandshutofftheinstallation(in-
cludingthemeter),ifnecessary,dismountthemeter.
■
 T hemeterhasalwaystobeeasilyaccessibleandlegible,inclu-
ding all indications on the marking ring or dial.
■
 W erecommendtoensureinstallationpointsonthepipelinewith
a seal against unauthorized dismounting. The seal should not be
removable or loosened without visible damage.
■
Theinstallationhastobecarryoutbyqualifiedpersonnel.
Installation:
■
Readthisinstructioncarefullyrightuptotheend!
■
 C losestopvalvesupstreamanddownstreamthemeter.
■
Dischargepressureattheinstallationpoint.
■
Dismantleexistingmetersoradjustingpiece.
■
Useonlynewandflawlesssealingmaterial.
*Data regarding the flow rates are depending on the respective nominal size.
ZENNER International GmbH & Co. KG
Römerstadt 6 Telephone +49 681 99 676-30
D-66121 Saarbrücken Telefax
E-Mail
+49 681 99 676-3100 Internet www.zenner.com
■
Checkthesealingsurfacefordamage.
■
 P ayattentiontocorrectflowdirectionwhileinstalling.Ensurethat
duringtheinstallationprocessthegasketsdonotslip,donotfall
out, or are damaged.
■
Installationposition:
– RNK-RP-N:anyinstallationpositionpossible
– RTKD: a nyinstallationpositionpossibleexceptoverhead
– RTKDE: a nyinstallationpositionpossibleexceptoverhead
– RTKD - L: a nyinstallationpositionpossibleexceptoverhead
– RTKDE - L: a nyinstallationpositionpossibleexceptoverhead
■
Screw the connection nuts and tighten them.
■
Openvalescarefullytoavoidpressureshocks.
■
 C heckinstallationpointforleaktightness.Therollerdialandcon-
formity/metrologyindicationmarkshavetobevisibleandreada-
bleatanytime.
Additional instructions for installation of plastic meter:
■
In order to guarantee a stress-free installation, we recommend the
useofawatermeterinstallationbracket(WZAG).
■
Recommended tightening torque for the connectors: min. 20Nm
uptomax.30Nm.
Declaration of conformity
ZENNERInternationalGmbH&Co.KGdeclaresthattheproducts
withfollowingnumberoftheECtype-examinationcertificateDE-10-
MI001-PTB001aswellasDE-11-MI001-PTB016complieswiththe
essentialrequirementsoftheECdirective2004/22/EC(Measuring
instruments directive).
ZENNER International GmbH & Co. KG hereby declares that the
productforRemoteMeteringwiththeapplicationWirelessCommu-
nicationscomplieswiththeessentialrequirementsofthe
ECdirective1999/5/CE(R&TTE).
Theupdatedinformationaboutthisproductcanbefoundat
www.zenner.com
[email protected]
All that counts.