Zenner SINGLE-JET METERS Instrukcja Użytkownika Pobierz pdf (Strona 3)

General notes

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Watermeters are precision instruments. Protect

against shock and vibration. Storage under cool, dry

and frost free conditions.

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Thesealingsurfacesareequippedwiththreadpro-

tectioncaps,andthusprotectedfromdamage.

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Check and ensure before beginning the installation:

– Thatthesealingfacesareatandfreefromda-

mage such as notches, grooves, etc..

– Thatallindicationsonthedialarereadble*.

– Themetertsintype,size,temperatureandpres-

sureratingtotheinstallationandmeteringpoint.

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Withpollutedorloadedwaterwerecommend that

lters or strainers in the inlet must be installed

upstreamofthemeter.

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Themetershouldalwaysbeinstalledatthelowest

possiblepointofthepipingaswellasfrostprotec-

ted,to preventthe accumulationof air anddama-

ges.

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Thewatermetermustbeinstalledintothepipeline

free of any of mechanical forces or tensions.

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Watermeters must be operating completely lled

with water - for wet dial meters this includes also

thecounter!

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Themetermustbeprotectedwithappropriatemea-

suresagainstpressureshocksinthepipeline.

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Whenthereisdangeroffrost,emptycompletelyand

shutofftheinstallation(includingthemeter),ifne-

cessary, dismount the meter.

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Themetermustalwaysbeeasilyaccessibleandle-

gible, including all indications on the dial.

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We recommend that the installation points on the

pipelineshouldbesecuredwithasealagainstunau-

thorizeddismounting.Thesealshouldnotberemo-

vableorloosenedwithoutvisibledamage.

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Theinstallationhastobedonebyqualiprofessi-

onal personnel. We would refer to the applicable

rulesoftheDINISO4064:2015,Part5.

Installation:

1. Readtheseinstructionscarefullyrightuptothe

end!

2. Closevalvesupstreamanddownstreamofthe

meter.

3. Releasepressureattheinstallationpoint.

4. Dismount existing meters or meter blanks.

5. Useonlynewandawlesssealingmaterial.

6. Check the seal face for damage.

7. Install the new meter according to the correct

owdirection and installation position. Ensure

that the sealing joints do not fall out, or are being

damaged.

8. Screwtheconnectionnutsandtightenthem.

9. Openvalescarefullyandavoidpressureshocks,

purgeadequately.

10. Checkinstallationforleakage.Thedialandthe

indications regarding the conformity /metrology

must be visible and readable at any time.

Additional instructions for installation of plas-

tic meter:

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In order to guarantee a stress-free installation,

werecommendtheuseofawatermeterinstalla-

tionbracket(WZAG).

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Recommended tightening torque for the connec-

tors:min.20Nmuptomax.30Nm.

Declaration of conformity

ZENNERInternationalGmbH&Co.KG

declaresthattheproductwiththenumberof

oneoftheECtype-examinationcerticates

DE-06-MI001-PTB005,DE-06-MI001-PTB006,

DE-07-MI001-PTB009,DE-08-MI001-PTB016,

DE-08-MI001-PTB017,DE-07-MI001-PTB010,

DE-13-MI001-PTB001,DE-15-MI001-PTB004,

CH-MI001-10040 or CH-MI001-14062 com-

plieswiththeessentialrequirementsoftheEC

directive 2004/22/EC (Measuring instruments

directive).

ZENNERInternationalGmbH&Co.KGherebyde-

clares that the product for Remote Metering with

theapplicationWirelessCommunicationscomplies

withtheessentialrequirementsoftheECdirective

1999/5/CE(R&TTE).

Themostup-to-dateinformationaboutthisproduct

can be found at www.zenner.com

English

*Dataregardingtheowratesaredependingontherespectivenominalsize.

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