BK-G..A with Absolute ENCODER indexAE1/Z65BK-G..A with Absolute ENCODERAE2/AE3
and communications moduleACM ..........5
BK-G..E, BK-G..ETB, BK-G..B with electronic
index .................................5
Diaphragm gas meters BK with integrated valve5
Maintenance/Removal...................6
Accessories ...........................6
Technical data .........................7
Declaration of conformity................7
ATEX legend ...........................9
Contact ..............................0
Safety
Safety
Please read and keep in a safe place
carefully before installing or operating. Following theinstallation, pass the instructions on to the opera-tor. This unit must be installed and commissionedin accordance with the regulations and standardsin force. These instructions can also be found at www.docuthek.com.
Explanation of symbols
• , , , ... = Action
▷= Instruction
Liability
We will not be held liable for damage resulting fromnon-observance of the instructions and non-com-pliant use.
Safety instructions
Information that is relevant for safety is indicated inthe instructions as follows:
Please read through these instructions
DANGER
Indicates potentially fatal situations.
WARNING
Indicates possible danger to life and limb.
CAUTION
Indicates possible material damage.
All interventions may only be carried out by qualifiedgas technicians. Electrical interventions may only becarried out by qualified electricians.
Conversion, spare parts
All technical changes are prohibited. Only use OEMspare parts.
Transport
Diaphragm gas meters are always to be transportedin the upright position. On receipt of the product,check that the delivery is complete (see Part desig-nations). Report any transport damage immediately.
Storage
Diaphragm gas meters are always to be stored in theupright position and in a dry place. Ambient tempera-ture: see Technical data.
Changes to edition 05.
The following chapters have been changed:– Checking the usage– Commissioning– Maintenance/Removal– Accessories– Technical data– Declaration of conformity
GB
GB-1
Page 2
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Checking the usage
m
3
,
-
BK-G..M..
12345678
DE-07-MI002-PTB001class 1,5
NG-47001BM0443 DIN EN 1359:2007
Q
max
Q
min
002545632734 1 imp =^ 0,01 m
3
M12 0102
Diaphragm gas meters BK-G.6 to G5
Residential or commercial diaphragm gas metersBK for recording gas consumption values for naturalgas, town gas, propane and butane, as gases of thefirst to third families pursuant to DIN EN 437:2003(DVGW Code of Practice G260). If used for internalmeasurements which are not subject to statutorytesting, the gas meter is also suitable for hydrogen,nitrogen, air and inert gases.
BK with integrated “Smart Valve”
Not suitable for highly contaminated gases, e.g.town gas.
GB
Potentially explosive atmosphere
Diaphragm gas meters that are labelled with and (see sticker near the index) are suitable for
operation in potentially explosive atmospheres, seepage7 (Declaration of conformity).
The meter function is only guaranteed when used
under the specified operating conditions– seepage7 (Technical data). Any other use is con-sidered as non-compliant.
Type code
CodeDescription
BK-GDiaphragm gas meter
.6
.54
6 06
5
M
C
A
E
B
T
Te
TB
Chekker mechanical indexAbsolute ENCODER index
Indication of volume at base conditions
Temperature conversion:
mechanical-electronic temperature
conversion and pressure correction
Flow rate
0.016 – 2.5 m
0.025 – 4 m
0.04 – 6 m3/h
0.06 – 10 m
0.1 – 16 m3/h
0.16 – 25 m
0.25 – 40 m
33
3
33
Mechanical index
Electronic index
mechanical
electronic
Part designations
6
5
4
3
1
Diaphragm gas meter BK
Index with index plate Connectors
4Protective caps
52 x thermowells (optional)6Pressure test point with sealing sleeve (optional)
Type label/Index plate
Diaphragm gas meters BK-G..M..
BK-G..M..
DE-07-MI002-PTB001
Q
max
Q
min
M12 0102
002545632734 1 imp =^ 0,01 m
class 1,5
12345678
NG-47001BM0443 DIN EN 1359:2007
,
3
-
Diaphragm gas meters BK-G..A.. with
Absolute ENCODER index
/h/h
/h
/h
Diaphragm gas meters BK-G..E
/h
BK-G..A..
ENCODER VALVE Vs
M12 0102
DE-07-MI002-PTB001
002545632734
Q
max
Q
min
M12 0102
002545632734
,
NG-47001BM0443 DIN EN 1359:2007
class 1,5
BK-G..E..
DE-07-MI002-PTB001
class 1,5
-
12345678
Diaphragm gas meters BK-G..E themis
BK-..E
t
Q
max
m
t
Q
min
Vp
max
class 1,5
M13 0102
002519280846 2013
g
12345678
2
3
m
3
m
log
Diaphragm gas meters BK-G..B
BK-..B
Q
max
Q
min
class 1,5
M12 0102
002545632734
12345678
Vb
GB-2
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BK-G..E and BK-G..B
BK-G..
m
3
The following data is not specified on the type label/
index plate, but can be called up in the menu:
– specified centre temperaturet
temperature conversion only),– EN 1359 registration number (if available),– firmware version.
Diaphragm gas meters with integrated valve
(for meters with
sp
VALVE Vx
Diaphragm gas meters BK-G..B
Elster GmbH, Strotheweg 1
BK
D-49504 Lotte, Germany
II -/2 G IIA T4
TÜV 12 ATEX 098560 X
Use as follows:Category: internal: none, external: Category2 (Zone1).
Type of atmosphere: gases, hazes and vapours.
Valve variants:Vs = Smart ValveVp = bi-stable valve (prepayment meter)Ve = bi-stable valve for electronic index
▷
Up to 12.2011, all valve versions were simplymarked with the word VALVE on the type label/
Use as follows:Category: internal: none, external: Category 2 (Zone1).
Type of atmosphere: gases, hazes and vapours.
Diaphragm gas meters BK-G..A, BK-G..AT
Elster GmbH, Strotheweg 1
BK
D-49504 Lotte, Germany
II -/2 G IIB T4
Ui=5,5V Ii=30mA Pi=33mW Ci=140µF Li=0µF
Use as follows:Category: internal: none, external: Category2 (Zone1).
Type of atmosphere: gases, hazes and vapours.
Diaphragm gas meters BK-G..E, BK-G..ET,BK-G..ETB
Elster GmbH, Strotheweg 1
BK
D-49504 Lotte, Germany
II -/3 G IIA T1
TÜV 11 ATEX 093627 X
Use as follows:Category: internal: none, external: Category 3 (Zone2).
Type of atmosphere: gases, hazes and vapours.
Installation
WARNING
Please observe the following to ensure that neitherpersons nor the gas meter are damaged duringinstallation and operation:
–Note the max. allowable operating pres-
sureppage2 (Type label/Index plate).
–Note the permitted ambient temperaturetm and
gas temperaturetg, see page2 (Type label/Index plate) or page7 (Technical data).
–The gas meter is suitable for mechanical ambient
conditions of Class M1 of Directive 2004/22/EC.For gas meter versions BK..A, BK..E and BK..B,
ClassE2 for electromagnetic ambient conditions
also applies.
–When installing the diaphragm gas meterBK
with integrated valve, make sure that no dirt
particles get into the meter and thus into the
valve.
–The yellow sealing sleeve protects the pres-
sure test point on the gas meter. It may only beopened for connecting a pressure measuringline.
–Use seals made from tested materials. Elastomer
seals or asbestos-free flat seals from Elster arerecommended.
– For meters resistant to high temperatures, only
use seals tested to be resistant to high tempera-
tures.– Only use the seals once.– For installation and operation, note the applica-
ble national regulations and the directives of thegas supply company. For Germany, the validDVGW Code of Practice G600 (DVGW-TRGI)applies.
– Work on meters and the installation of meters
which are marked with and are installed in
potentially explosive atmospheres may only becarried out by persons with appropriate qualifi-cations.
andmeasuring rangeQ
max
max
, see
GB
GB-3
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–The gas meter marked with must be in-
1
2
3
4
5
cluded in the equipotential bond when beinginstalled in a potentially explosive atmosphere,e.g. by connecting it to a grounded pipeline.Installation must be carried out in accordancewith EN60079-14.
–The gas meter marked with must be pro-
tected from falling parts.
▷If the calibration seal has been damaged or re-
moved, the gas meter is no longer approved formeasurements which are subject to statutorytesting.
▷If the gas meter is stored or installed outdoors,
GB
protect the site against rain. Condensing humid-ity is permitted.
Remove protective caps.
▷
Installation in the horizontal position: connectorsmust be pointing upwards.
▷Note direction of flow (arrow).▷The gas meter must not be in contact with ma-
sonry or other parts.
▷Ensure that there is sufficient installation space.▷Ensure unobstructed view of the index.▷
The seal faces on the screw unions must be
clean and damage-free.
▷For the compression of seals and the resulting
tightening torques for the screw unions, the sealmanufacturers’ specifications must be observed.
Tightening torques for the recommended flat
seals in conjunction with screw connectorspursuant to DIN3376-1 and3376-2, seewww.docuthek.com → Elster-Instromet → Prod-ucts → Gas measuring devices → Diaphragmmeters → Ergänzung für Betriebsanleitung BK,Verschraubungen und Anzugsmomente für BK-G1,6 bis BK-G25 (Supplement to BK operatinginstructions, Screw unions and tightening tor-ques forBK-G1.6 toBK-G25)(D).
Install the gas meter free of mechanical stress.
▷
If a pulse transmitter IN-Z6x is used for pulsetapping on the gas meter marked with – seeData sheet for pulse transmitter IN-Z6x (D,GB)→www.docuthek.com→ Elster-Instromet→ Prod-ucts→ Gas measuring devices→ Diaphragmmeters→ Pulse transmitterIN-Z61 and thestandard EN60079-14 (Explosive atmospheres).
Temperature test point
▷
Temperature sensors can be inserted into the
thermowells for measuring the gas temperaturein the meter housing.
12
Secure each of the temperature sensors using
the capstan screw provided.
Connecting the pressure measuringline
WARNING
In order to ensure that the gas meter is tight:
–The pressure test nipple must not be twisted,
bent, or otherwise manipulated.
–When installing, always secure the pressure test
nipple using a suitable spanner.
▷
Functional safety and reliability are ensured only ifthe material combination of the screw connectorand the pressure line are inter-matched.
▷
Only use the olive and the attached union nutsupplied. The olive is secured to the sealingsleeve.
▷
When re-ordering, use original Parker EO pro-gressive ring fittings PSR/DPR.
1
4
▷
Use corrosion-resistant, seamless precision steeltube pursuant to DINEN10305-4 (external di-ameter 6mm, material E235= 1.0308). For othermaterials, use a suitable adapter and note theParker/EO recommendations.
▷Install pipes free of mechanical stress.
6
2
3
5
7
GB-4
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8Screw on the union nut by hand as far as it will
1
6
7
2
3
4
5
2
2
go.
▷
At the same time, press the end of the pipe firmlyagainst the stop.
9Mark the position of the union nut and tighten
with about 1½ turns.
Commissioning
Once the tightness test has been successfully com-pleted, the gas meter is ready for operation.
▷Slowly open the manual valve.
BK-G..M with mechanical index
For pulse tapping, the pulse transmitterIN-Z6x canbe connected – see Data sheet for pulse transmitterIN-Z6x (D,GB)→ www.docuthek.com→ Elster-Instromet→ Products→ Gas measuring devices→Diaphragm meters→ Pulse transmitterIN-Z61.
BK-G..A with Absolute ENCODER
▷When re-installing, the union nut will be turned
to the original position and then further tightenedthrough approx. 30°.
Once the installation and tightness test are com-
plete, see page5 (Tightness test), protect thepressure test point against external access withthe sealing sleeve and the seal.
indexAE/Z6
Interface description for gas meters with ENCODERindex– see Specification (GB)→www.docuthek.com
→ Elster-Instromet → Products → Archive →Gas
measuring devices.
BK-G..A with Absolute ENCODERAE/AEand communications moduleACM
GB
If the diaphragm gas meter BK-G..A is fitted with
Tightness test
▷
Check the pipework for leaks prior to installa-tion of the gas meter, in case the pipework istested with a greater test pressure than the max.allowable operating pressurepmeter. Otherwise, the installed gas meter maybe damaged.
▷If a valve is integrated in the diaphragm gas me-
terBK, see page3 (Diaphragm gas meterswith integrated valve), this must be opened forthe tightness test.
▷Ensure the customer’s consumers are closed.
Apply the test pressure slowly to the gas meter.
for the gas
max
communications module ACM, you can find furtherinformation ...
–for commissioning in the Communications module
ACM M-BUS WIRE, ACM SCR+ WIRE... operat-ing instructions or in the Communications moduleACM WAVE SYSTEM RF operating instructions(D/GB/SK/NL) → www.docuthek.com → Elster-Instromet → Products → Smart metering → ACM:communications modules.
–on the protocols in the corresponding docu-
ments at www.docuthek.com → Elster-Instromet
→ Products → Smart metering → AE: protocol
variants.
BK-G..E, BK-G..ETB, BK-G..B with electronicindex
For further commissioning of diaphragm gas meterswith electronic index– see the operating instructionsof the respective electronic indexes(D, GB, I) →www.docuthek.com → Elster-Instromet → Products
→ Smart metering → Electronic index.
to the diaphragm gas meter, check this connec-tion for tightness.
3
▷If a pressure measuring line has been retrofitted
Diaphragm gas meters BK with integratedvalve
In the event that the diaphragm gas meterBK is fittedwith an integrated valve, see page3 (Diaphragmgas meters with integrated valve), the gas supply canbe connected or disconnected remotely.Unless otherwise agreed, the valve is open on delivery
4 After the tightness test, slowly vent the gas meter. 5 If a pressure measuring line has been retrofitted
to the diaphragm gas meter, protect the pressuretest point against external access with a sealingsleeve and a seal.
as standard.
WARNING
–The grid operator is responsible for the safe
remote shut-down and restart of the diaphragmgas meter.
–The integrated valve does not assume the func-
tions of a safety shut-off valve.
GB-5
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... with valve variant Vp
▷
Should the diaphragm gas meterBK be orderedwith a valveVp, but without control electronics tobe complemented by a third party, the technicaldata of the control interface is to be requestedfrom ElsterGmbH and observed.
▷
The manufacturer of the control electronics is
responsible for creating the conditions requiredfor safe operation of the valve. Instructions oncommissioning and operation are to be takenfrom the operating instructions for the controlelectronics.
... with valve variant Ve
▷The function and technical data can be found in
GB
the operating instructions of the electronic index.
... with valve variant Vs (Smart Valve)
WARNING
–Depending on national regulations, a limited
and technically safe gas flow rate in the cus-tomer’s open consumer piping is allowed, seepage7 (Technical data).
–Assessment of the non-critical gas flow rate with
regard to amount and duration, which occurswhen the valve is released, is to be carried outby the grid operator.
–The minimum operating pressure on the inlet
must not be undershot, see page7 (Techni-cal data). Otherwise, when the valve is releasedand if the customer’s consumer piping is openat the same time, the valve may be completelyopened.
“Smart Valve” valve function
▷
The “Smart Valve” is switched remotely by the data
management system. The valve first switches tothe “Released” position. From the “Released” posi-tion, the valve automatically switches to the “Open”position, if the downstream installation is tight.
Released
▷
The “Smart Valve” opens an internal bypass and
releases a minimum gas flow into the customer’sclosed consumer piping. Pressure equalizationtakes place between the inlet and outlet sideof the valve.
Open
▷Following pressure equalization, the valve auto-
matically opens by spring force and fully releasesthe gas supply. If consumers of the customer areopen, pressure equalization cannot occur andthe valve remains in the “Released” position andcontinues to release only the minimum gas flowrate of the bypass.
Closed
▷
Thevalveandthebypassare closedin the event
of remote shut-down.
▷All valve positions are kept de-energized.
Maintenance/Removal
Gas meters BK-G1.6 to 25 from Elster are mainte-nance-free (constraints for BK-G...E... and BK-G...B).
▷When used for custody transfer measurements,
recalibration must be carried out in accordancewith national directives.If the screw unions are loosened for maintenance
▷
work or retesting, replace the seals.
▷After the gas meter has been removed, immedi-
ately close the connectors with protective capsin order to prevent ingress of dirt particles.
▷
For meters with electronic indexes(BK-G...E...and BK-G...B), it may be necessary to changethe battery, see “Operating instructions for op-erators and installers” for the correspondingelectronic index.
WARNING
A certain amount of gas may remain in the gasmeter. Taking into consideration the risk of explo-sion, it is important to adopt safety measures, e.g.:
–Following removal of the gas meter, purge it
thoroughly with inert gas.
–For transporting the gas meter with gas residue,
use a vehicle with an open or a ventilated load-ing area.
– The indexes must not be opened in an explo-
sion-hazard area even for maintenance and repair. Opening of the service cover on theelectronic index, e.g. to change the battery,is permitted– see “Operating instructions foroperators and installers” for the correspondingelectronic index.
–Meters which are installed in a potentially ex-
plosive atmosphere may only be cleaned usinga damp cloth to avoid static electricity charge.
Accessories
We recommend using Elster GmbH accessories only.
Meters which are marked with may only be ret-rofitted with communications modules certified inaccordance with 94/9/EC and which correspondto the appropriate interface parameters (see page
7 (Technical data)).
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Technical data
Diaphragm gas meter BK
Gas type: natural gas, town gas, propane and butane,as gases of the first to third families pursuant toDINEN437:2003 (DVGW Code of PracticeG260).
The following technical data can be found on the
type label/index plate:– max. allowable operating pressurep– measuring range: Q– max. allowable ambient temperature ranget
min/Qmax
– max. allowable gas temperature rangetg*– cyclic volumeV
For meters with temperature conversion only:– base gas temperaturet– specified centre temperaturetsp**
b
max
m
Diaphragm gas metersBK with integrated
“Smart Valve”Vs
Not suitable for highly contaminated gases, e.g.town gas.Opening time (from closed to open/released state):
≤ 4 s.
Closing time: ≤ 0.5 s.Min. operating pressure: 17.5mbar.Allowed leakage flow in the customer’s piping:valve released: max. 13 l/h at 35 mbar,valve closed: max. 5 l/h.
Declaration of conformity
GB
Other technical data:– transitional flow rate Qt= 0.1xQ– max. allowable storage temperature range:
with at pressures >100mbar (e.g. in the eventof a fault).
Scan of the following Declarations of conformity – seewww.docuthek.com
Diaphragm gas meters BK-G..M, BK-G..C,BK-G..MT, BK-G..CT
We, the manufacturer, hereby declare that the prod-ucts labelled accordingly comply with the require-ments of the listed Directives and Standards:
– MID
EC Directive: 2004/22/EC – MID Standard:DIN EN1359:2007 (EN1359:1998+A1:2006) EC type-examinations:DE-07-MI002-PTB001, DE-07-MI002-PTB002.The production is subject to the surveillance
procedure pursuant to 2004/22/EC, AnnexD,Physikalisch-Technische Bundesanstalt (German
National Metrological Institute),Notified Body0102. Markings:
M...
DE-07-MI002-PTB002
0102, DE-07-MI002-PTB001 or
After the “M”, the year of construction is given.
–
ATEX (only valid if marked on the meter)EC Directive: 94/9/EC – ATEX Standards:
EN 13463-1:2009EN 13463-5:2011Tests and inspections:TÜV NORD CERT GmbH, Statement of conform-
ity–No. TÜV11ATEX090370X.The production is subject to the conformity
assessment procedure pursuant to 94/9/EC,
AnnexVIII.
Markings:
II -/2 G c IIB TX.
Elster GmbH
GB-7
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Diaphragm gas meters BK-G..A, BK-G..AT
We, the manufacturer, hereby declare that the prod-ucts labelled accordingly comply with the require-ments of the listed Directives and Standards:
– MID
EC Directive: 2004/22/EC – MID Standard:DIN EN1359:2007 (EN1359:1998+A1:2006) EC type-examinations: DE-07-MI002-PTB001, DE-07-MI002-PTB002.The production is subject to the surveillance pro-
OIML D11:2004, Sec.12 EN55022:2006+A1:2007Tests and inspections:EMC Test NRW GmbH:Test Report No. P09-Z-00005-001
– ATEX (only valid if marked on the meter)
EC Directive: 94/9/EC – ATEXStandard: EN 1127-1:2007 Tests:Elster GmbH, Test report: 1000251881-000-00-AThe production is subject to the conformity as-
sessment procedure pursuant to 94/9/EC, An-
nexVIII. Markings:
II -/2 G IIB T4.
Elster GmbH
Diaphragm gas meters BK-G..E
We, the manufacturer, hereby declare that the prod-ucts labelled accordingly comply with the require-ments of the listed Directives and Standards:
EC type-examination: DE-11-MI002-PTB001The production is subject to the surveil-
lance procedure pursuant to 2004/22/EC,
AnnexD, Physikalisch-Technische Bundesan-
stalt (German National Metrological Institute),
Notified Body0102. Markings:
M...
After the “M”, the year of construction is given.
0102, DE-11-MI002-PTB001
– EMC
EC Directive: 2004/108/EC – EMC Standards:
OIML D11:2004, Sec.12 EN55022:2006+A1:2007ETSI EN 301 489-17:V2.1.1ETSI EN 301 489-1:V1.8.1Tests and inspections:EMC Test NRW GmbH:Test Report No. P10-Z-00086-002
P13-Z-00096-001TRaC Global Ltd, UK:Report No. TRA-00596GEU1 (ECM Zigbee RF
EC Directive: 2004/108/EC – EMC Standards:EN 55022:2006+A1:2007, Class BEN 61000-4-2:2009EN 61000-4-3:2006+A1:2008+A2:2010EN 61000-4-4:2004+A1:2010EN 61000-4-5:2006EN 61000-4-6:2009EN 61000-4-12:2006EN 61000-4-8:2010IEC 61000-6-3:2006, Class B