ITRON MZT Manuel utilisateur

002-099-4115

I: 12.10.2015

Instruction manual

Mode d’emploi

Betriebsanleitung

Istruzioni d’uso

Manual de instrucciones

Installatie voorschrift

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1 / 6

EC_Declaration_of_Conformity_MZ_2015-10-08.doc

EC Declaration of Conformity

Itron GmbH

Hardeckstrasse 2

D-76185 Karlsruhe

Declares that the product Quantometer MZ/MTZ is designed and manufactured in

conformity with the following Directives:

1. 97/23/EC Modules B+D Category IV - Pressure Equipment Directive

With EC type approval certificate n°: DVGW CE-0085BS5061

The module D is supervised by:

TÜV SÜD Industrie Service GmbH (CE:0036);

Westendstr. 199, D-80686 München

EC Certificate N°: DGR-0036-QS-955-14

2. 2004/108/EC - EMC Directive

The product fulfils the requirement of the 2004/108/EC by the fact that it meets with the

following single standards: EN 61000-6-2 (2006); EN 61000-6-3 (2007); EN 60947-5-6

(2000).

3. 94/9/EC – ATEX Directive

With EC type approval certificate n°: LCIE 06 ATEX 6031 X

#0081 LCIE 33 avenue General Leclerc, F-92266 Fontenay-aux-Roses

II 1 G or II 1/2 G Ex ia IIC T5 c T6

The product meets the following standards: EN 60079-0:2012 + A11:2013,

EN 60079-11:2012, EN 13463-1:2009, EN 13463-5:2011.

The module D (Annex IV) is supervised by:

TÜV SÜD Product Service GmbH (CE:0123)

Ridlerstraße 65, D-80339 München

EC Certificate N°: EX2 14 05 70229 003

Karlsruhe, 08.10.2015

__________________

P. Garcia

Head of Production

ENGLISH

1 Characteristics ...........................................................4

2 Packing of the MZ .......................................................4

2.1 Packing .............................................................4

2.2 Storage .............................................................4

2.3 Handling ............................................................4

3 Installation ...............................................................4

3.1 General recommendations ............................................5

3.2 Recommended Installation ............................................5

3.3 Start up .............................................................5

3.3.1 Installation with an upstream valve .............................5

3.3.2 Installation with upstream and downstream valves ...............5

3.3.3 Installation with a by-pass .....................................5

4 Transmitters .............................................................5

5 Maintenance ............................................................6

5.1 Lubrication ..........................................................6

5.2 External silicagel cartridge ............................................6

5.3 Inspection and repair .................................................6

6 Annex ..................................................................37

Keep this manual easily accessible for all

users. Please respect all national rules for

installation, operation and service of gas

meters.

1 Characteristics:

Turbines gas meters are flow meters. The

flow of gas turns a turbine wheel and the

rotating speed of the turbine is propor-

tional to the linear speed of the gas. The

movement is mechanically transmitted to

the totaliser through the magnetic cou-

pling. Detailed characteristics are given in

Annex 1

2 Packing of the MZ

2.1 Packing

The meter, depending on the size is de-

livered in an individual carton box or on a

wood pallet. The packaging contains the

plugs for the installed transmitters and the

lubricant when an oil pump is installed.

2.2 Storage

If the meter is not going to be used imme-

diately, it should be stored under cover in

a clean, dry environment. The caps fitted

at the inlet and the outlet pipe must stay

in place until installation. Storing tempera-

ture: -40 °C to +70°C.

2.3 Handling

Meters should be handled with care. They

must be lifted only with belts around the

main body or on the eyelets.

3 Installation

3.1 General recommendations:

See Annex 2 and PED information

in Annex 6

• The standard MZ is designed for use with

clean and non-aggressive gases. For use

with aggressive gases please contact

Itron for special versions.

• If the meter is equipped with an oil pump,

turn oil tank according to the installation

position.

• (1) Before installation, check visually that

the meter has not been damaged during

transport.

• (2) Do NOT weld pipework with a meter

installed.

• (3) The meter should be installed with-

out stress in the pipework. The flanges

must be correctly lined up. The tighten-

ing torque of the bolts must not exceed

(Nm):

M16 M20

85 170

Please tighten bolts in opposite pairs.

• (4) To ensure accuracy, The meter has

to be installed with an inlet straight pipe

of 3 DN minimum.

• (5) Transmitters connection: Gas Me-

ters are often installed in areas where

there is a risk that Gas will be present.

Therefore, electrical connections to me-

ters need to be made with consideration

of the use of Ex marked equipment or

otherwise approved circuits. For plug as-

signment and pulse values refer to the

main name plate.

ENGLISH

• (6) Dirt particles may damage the tur-

bine wheel therefore the use of starting

sieve and filter are recommended.

• (7) Pressure pulses must be avoided

during starting and operating to preserve

the turbine wheel. To prevent damage

during starting, increase the pressure

slowly at less than 0,3 bar per second.

3.2 Recommended installation

Turbine meters are flow meters therefore

their metrology can be affected by distur-

bances existing in the flow of gas.

The best accuracy is achieved by respect-

ing the following rules:

• Use preferably elbow pieces with large

radius (> 5 DN) to be installed at the

inlet of the meter.

• For diameter variations, use preferably

concentric convergent and divergent

pieces; sudden changes must be avoid-

ed.

• Obstacles such as thermowells must not

protrude in the pipe within 2 DN up-

stream of the meter. Gaskets should be

correctly centred between the flanges

and not protrude into the pipe.

3.3 Start up

3.3.1.

Installation with an upstream

valve

Open the valve very slowly until the me-

ter starts to operate. Increase slowly the

pressure in the downstream pipe (max.

0,3 bar/second). When the downstream

pressure is stabilised, open the valve com-

pletely.

3.3.2 Installation with upstream and

downstream valves

Close the downstream valve. Open slowly

the upstream valve (max. 0,3 bar/second).

When the pressure is stabilised in the me-

ter, open gently the downstream valve to

maintain the pressure in the meter and to

avoid overflow.

3.3.3 Installation with a by-pass

Close all valves. Slowly open the by-pass

and wait until the downstream pressure is

stabilised. Then proceed as §3.3.2. Close

the bypass.

After start up, please check the tightness of

the installation. Check also that the maxi-

mum flow of the meter is not exceeded.

4 Transmitters

The MZ is equipped as option with 2 Low

Frequency (LF), Reed switches and an anti-

tampering switch; with inductive medium or

high frequencies (HF) transmitters. A Cyble

sensor can be also installed onto the to-

taliser, see Annex 3.

Remarks about using the meter in poten-

tially hazardous areas (ATEX)

• Pulse transmitters must be connected to

circuits intrinsic safe circuits, according

to EN 60079-11.

• All exposed aluminium parts must be

suitably protected (using paint, varnish,

etc) if a film of rust is possible from dust

in the environment.

• The meter must be earthed.

• Tools used for installing, removing, or

repairing the meter on site must be ap-

propriate for use in the hazardous area

bearing in mind that the hazardous area

classification during meter replacement

may differ from that during normal me-

ter operations.

• The meter shall not be exposed to flames,

ionising radiation, and ultrasound.

• Pulse values and maximum frequen-

cies are given in Annex 1. Electrical

characteristics and wiring of the socket

are given in Annex 4. The wiring of the

transmitters is written on the name plate

of the meter.

5 Maintenance

When properly installed and put into ser-

vice, the MZ need no particular attention

and will provide you with many years of

satisfactory service.

5.1 Lubrication

Meters equipped with an oil pump have to

be periodically lubricated. Oil is delivered

with the meter. Specific oil has to be used,

for example

• Aeroshell fluid 12 MIL6085A

• Isoflex PDP38 (Klüber)

• Anderol 401D (Mobil Oil)

• Univis P38 (Shell)

Quantity of oil to be filled:

a) On commissioning to fill the volume

between the pump and the bearings

DN Oil vol. (cm3)Push

50/80 420

100 525

150/200 630

b) In Service

DN Oil vol. (cm3)Push

50/80 0,5 2-3

100 0,8 4

150/200 1,0 5

c) Recommended lubrication periodicity

Application

Lubrication periodicity

Dry gas, no dust 6 months

Gas comprising Monthly

light condensates

and little dust

Gas with high Weekly

percentage

of condensates

and dust.

BIOGAS

applications

5.2 External silicagel cartridge

The meter can be equipped with an ex-

ternal silicagel cartridge for installation in

severe environment conditions. The car-

tridge has to be replaced when its colour

has changed. To replace the cartridge,

unscrew the old cartridge, remove the

protective plug of the new cartridge and

screw it into the totaliser.

5.3 Inspection and repair

It is possible to check the good function-

ing of the MZ by applying a spin test. This

test will give information about eventual

friction in the turbine ball bearings.

The test has to be conducted as follow:

• Accelerate the turbine wheel around 30

to 50% of Qmax then to measure the

time until the turbine wheel stops.

ENGLISH

• Measure the spin time (ST) until the tur-

bine wheel stops.

See Annex 5 for typical values of spin

time.

The following recommendations have to

be observed for repair:

• In case of use with aggressive or danger-

ous gas, it may be necessary to send a

safety statement with the meter, detail-

ing the type of Gas that has been mea-

sured.

• Some gas may still be present inside the

meter and the pipe; therefore sufficient

ventilation is required.

• Repairs and maintenance must be done

by trained or qualified personal. Afte-

rwards a tightness test with 1.1 x PS

(Pmax) must be performed.

• When changing pressure-bearing parts,

ensure that spare parts which comply

with the PED are used.

• If used with wet gas, internal and exter-

nal effect of corrosion has to be checked

regularly and in case of severe corrosion,

the meter must be replaced.

• Use solvent and alcohol free cleaning

product to clean the meter.

2 / 6

EC_Declaration_of_Conformity_MZ_2015-10-08.doc

Déclaration de Conformité CE

Itron GmbH

Hardeckstrasse 2

D-76185 Karlsruhe

Déclare que le produit quantomètre MZ/MTZ est conçu et fabriqué en conformité avec

les Directives suivantes :

1. 97/23/CE Modules B+D Catégorie IV - DESP

Avec certificat dʼapprobation de type n° : DVGW CE-0085BS5061

Le module D est supervisé par :

TÜV SÜD Industrie Service GmbH (CE:0036);

Westendstr. 199, D-80686 München

Certificat CE n°: DGR-0036-QS-955-14

2. 2004/108/CE – Directive EMC

Le produit est conforme à la Directive 2004/108/EC par le fait qu´il satisfait aux normes

suivantes : EN 61000-6-2 (2006); EN 61000-6-3 (2007); EN 60947-5-6 (2000).

3. 94/9/CE – Directive ATEX

Avec certificat dʼapprobation de type n° : LCIE 06 ATEX 6031 X

#0081 LCIE 33 avenue General Leclerc, F-92266 Fontenay-aux-Roses

II 1 G ou II 1/2 G Ex ia IIC T5 c T6

Le produit est conforme aux normes suivantes : EN 60079-0:2012 + A11:2013,

EN 60079-11:2012, EN 13463-1:2009, EN 13463-5:2011.

Le module D (Annexe IV) est supervisé par :

TÜV SÜD Product Service GmbH (CE:0123)

Ridlerstraße 65, D-80339 München

Certificat CE n°: EX2 14 05 70229 003

Karlsruhe, 08.10.2015

__________________

P. Garcia

Responsable de production

FRANCAISFRANCAIS

1 Caractéristiques ................................................10

2 Réception du MZ / MTZ ..........................................10

2.1 Emballage ..........................................................10

2.2 Stockage ...........................................................10

2.3 Manutention ........................................................10

3 Installation ....................................................10

3.1 Généralités .........................................................10

3.2 Installation recommandée ...........................................11

3.3 Mise en service .....................................................11

3.3.1 Installation avec uniquement une vanne amont .................11

3.3.2 Installation avec vannes amont et aval .........................12

3.3.3 Installation avec by-pass .....................................12

4 Emetteurs d‘impulsions ..........................................12

5 Entretien ....................................................12

5.1 Lubrification ........................................................12

5.2 Cartouche silicagel externe. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13

5.3 Inspection et réparation .............................................13

6 Annexes .......................................................37

Attention : ce produit est un équipement

sous pression : le non respect des instruc-

tions peut entraîner un danger pour la

sécurité des biens et des personnes.

Itron GmbH, fabricant du compteur, dé-

cline toute responsabilité dans le cas du

non respect de la totalité des points du

présent mode d‘emploi qui doit accompa-

gner le compteur pendant toute sa durée

de vie.

Se rapprocher et demander l‘accord écrit

du fabricant pour tous les cas non prévus

dans la présente notice d‘instructions.

Veuillez respecter toutes les réglementa-

tions nationales pour l‘installation, l‘utilisa-

tion et la maintenance des compteurs de

gaz.

1 Caractéristiques :

Les compteurs à turbine sont des comp-

teurs de vitesse. Le flux de gaz fait tourner

la turbine dont la vitesse de rotation est

proportionnelle à la vitesse linéaire du gaz.

Le mouvement est transmis mécanique-

ment au totalisateur par l‘intermédiaire

d‘une commande magnétique.

Les caractéristiques détaillées sont don-

nées en Annexe 1.

2 Réception du MZ / MTZ

2.1 Emballage

Le compteur, en fonction de sa taille est

livré dans un carton individuel ou sur une

palette. L‘emballage contient les connec-

teurs pour les émetteurs d‘impulsions

installés et le lubrifiant lorsque le comp-

teur est équipé d‘une pompe à huile.

2.2 Stockage

Si le compteur n‘est pas utilisé immédia-

tement, il doit être stocké sous protection

dans un lieu sec et propre. Les opercules

installés sur les brides doivent rester en

place jusqu‘à l‘installation du compteur.

Température de stockage: -40 °C à

+70 °C

2.3 Manutention

Le compteur doit être manutentionné

avec attention. Il doit être manipulé à

l‘aide de câbles passés sous le corps ou

dans les anneaux de levage uniquement.

3 Installation

Le compteur doit impérativement être

installé dans un environnement dont les

conditions limites (en particulier pression,

température, débit,…) sont compatibles

avec ses caractéristiques propres indi-

quées sur la plaque signalétique.

3.1 Recommandations générales :

Voir Annexe 2 et l’information PED

en Annexe 6

• Le MZ en version standard est conçu

pour mesurer des gaz propres et non

agressifs. Pour une utilisation avec

des gaz agressifs veuillez contacter

Itron pour des versions spéciales.

• Si le compteur est équipé d‘une pompe

à huile, veuillez orienter son réservoir en

fonction de l‘orientation du compteur

dans le poste.

• (1) Avant l‘installation, vérifier visuelle-

ment que le compteur n‘a pas été en-

dommagé durant le transport.

Ce manuel convient aux modèles suivants

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