General Notes; Declaration Of Conformity - Zenner RTKD Manual De Montaje

English

General notes

■
 W atermetersareprecisioninstruments.Protect
against shock and vibration. Store frost-free.
■
 T he sealing surfaces are equipped with thread
protectioncapsandthusprotectedfromdamage.
■
Checkbeforebeginningtheinstallation:
–  s ealingsurfaceshavetobeflatandfreefrom
damage such as notches, grooves, etc..
– all of indication marks on the roller dial have to
be readable.*
–  m eterhastofitintype,size,temperatureand
pres-sure rating to the installation and mete-
ringpoint.
■
 P leasepayattentiontotheinformationoninstal-
lationpositiononthedial.
■
 B y polluted or loaded water we recommend to
installfiltersorstrainersintheinletupstreamof
the meter.
■
 T he meter should always be installed at the lo-
westpossiblepointofthepipingaswellasfrost
protectedtopreventtheaccumulationofairand
damages.
■
 T hewatermeterhastobeinstalledintothepipe-
line being free of any of mechanical forces or
tensions.
■
 D uringtheoperatingprocesswatermeterhasto
becompletelyfilledwithwater.
■
 T hemeterhastobeprotectedwithappropriate
measures against pressure shocks in the pipe-
line.
■
 B y risk of frost, empty completely and shut off
the installation (including the meter), if necessa-
ry,dismountthemeter.
■
 T he meter has always to be easily accessible
and legible, including all indications on the mar-
king ring or dial.
■
 W e recommend to ensure installation points on
thepipelinewithasealagainstunauthorizeddis-
mounting. The seal should not be removable or
loosened without visible damage.
■
 T he installation has to be carry out by qualified
personnel.
Installation:
■
Readthisinstructioncarefullyrightuptotheend!
■
 C losestopvalvesupstreamanddownstreamthe
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
■
Dismantleexistingmetersoradjustingpiece.
■
Useonlynewandflawlesssealingmaterial.
■
Checkthesealingsurfacefordamage.
■
 P ay attention to correct flow direction while in-
stalling. Ensure that during the installation pro-
cess the gaskets do not slip, do not fall out, or
are damaged.
■
Installationposition:
– RNK-RP-N/RNK-L-RP-N: a nyinstallationposition
– RTKD: a ny installation position possible except
overhead
– RTKDE: a nyinstallationpositionpossibleexcept
overhead
– RTKD - L: a nyinstallationpositionpossibleexcept
overhead
– RTKDE - L: a ny installation position possible except
overhead
■
Screw the connection nuts and tighten them.
■
Openvalescarefullytoavoidpressureshocks.
■
 C heck 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
E-Mail [email protected]
Internet www.zenner.com
possible