4
English
Subject
to
modifications
and
errors
excepted.
Any
liability
for
misprints
excluded.
■
Dismantleexistingmetersoradjustingpiece.
■
Useonlynewandflawlesssealingmaterial.
■
Checkthesealingsurfacefordamage.
■
Pay attention to correct flow direction while in
-
stalling. Ensure that during the installation pro
-
cessthegasketsdonotslip,donotfallout,or
are damaged.
■
Installationposition:
–
RNK-RP-N/RNK-L-RP-N:anyinstallationposition
possible
–
RTKD:any installation position possible except
overhead
–
RTKDE:anyinstallationpositionpossibleexcept
overhead
– RTKD
-
L:anyinstallationpositionpossibleexcept
overhead
– RTKDE
-
L:any installation position possible except
overhead
■
Screw the connection nuts and tighten them.
■
Openvalescarefullytoavoidpressureshocks.
■
Check installation point for leak tightness. The
roller dial and conformity /metrology indication
marks have to be visible and readable at any
time.
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 conformity
ZENNER International GmbH & Co. KG declares
thattheproductswithfollowingnumberoftheEC
type-examinationcertificateDE-10-MI001-PTB001
aswellasDE-11-MI001-PTB016complieswiththe
essentialrequirementsoftheECdirective2014/32/
EU (Measuring instruments directive).
ZENNERInternationalGmbH&Co.KGherebyde
-
clares that the product for Remote Metering with
theapplicationWirelessCommunicationscomplies
withtheessentialrequirementsoftheECdirective
1999/5/CE(R&TTE).
The declaration of conformity and the latest in
-
formation about this product can be accessed or
downloaded from
www.zenner.com
General notes
■
Watermetersareprecisioninstruments.Protect
against shock and vibration. Store frost-free.
■
The sealing surfaces are equipped with thread
protectioncapsandthusprotectedfromdamage.
■
Checkbeforebeginningtheinstallation:
–
sealingsurfaceshavetobeflatandfreefrom
damage such as notches, grooves, etc..
– all of indication marks on the roller dial have to
be readable.*
–
meterhastofitintype,size,temperatureand
pres-sure rating to the installation and mete
-
ringpoint.
■
Pleasepayattentiontotheinformationoninstal
-
lationpositiononthedial.
■
By polluted or loaded water we recommend to
installfiltersorstrainersintheinletupstreamof
the meter.
■
Themetershouldalwaysbeinstalledatthelo
-
westpossiblepointofthepipingaswellasfrost
protectedtopreventtheaccumulationofairand
damages.
■
Thewatermeterhastobeinstalledintothepipe
-
line being free of any of mechanical forces or
tensions.
■
Duringtheoperatingprocesswatermeterhasto
becompletelyfilledwithwater.
■
Themeterhastobeprotectedwithappropriate
measuresagainstpressureshocksinthepipe
-
line.
■
By risk of frost, empty completely and shut off
the installation (including the meter), if necessa-
ry,dismountthemeter.
■
The meter has always to be easily accessible
and legible, including all indications on the mar-
king ring or dial.
■
Werecommendtoensureinstallationpointson
thepipelinewithasealagainstunauthorizeddis
-
mounting. The seal should not be removable or
loosened without visible damage.
■
Theinstallationhastobecarryoutbyqualified
personnel.
Installation:
■
Readthisinstructioncarefullyrightuptotheend!
■
Closestopvalvesupstreamanddownstreamthe
meter.
■
Dischargepressureattheinstallationpoint.
*
Data regarding the flow rates are depending on the respective nominal size.
ZENNER International GmbH & Co. KG
Römerstadt 6
D - 66121 Saarbrücken
Telephone +49 681 99 676-30
Telefax
+49 681 99 676-3100
Internet
www.zenner.com
