Elster BK-G Series User Manual

➔ www.docuthek.com
D GB F NL I SK
© 2013 Elster GmbH
xx.xx Fx/ivd x.xxx
Safety
Please read and keep in a safe place
Please read through these instructions
carefully before installing or operating. Following the
installation, pass the instructions on to the opera-
tor. This unit must be installed and commissioned
in accordance with the regulations and standards
in 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 from
non-observance of the instructions and non-com-
pliant use.
Safety instructions
Information that is relevant for safety is indicated in
the instructions as follows:
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 qualified
gas technicians. Electrical interventions may only be
carried out by qualified electricians.
Conversion, spare parts
All technical changes are prohibited. Only use OEM
spare parts.
Transport
Diaphragm gas meters are always to be transported
in 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 the
upright 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
Contents
Operating instructions
Translation from the German
D
GB
F
NL
I
SK
GB-1
050886/00 · Edition 07.
Safety
Contents
Diaphragm gas meters
BK-G.6 to BK-G5
Diaphragm gas meters BK-G.6 to BK-G5 . 
Contents ..............................
Safety.................................
Checking the usage .....................
Diaphragm gas meters BK-G1.6 to G25 ......2
BK with integrated “Smart Valve”............2
Type code .............................2
Part designations ........................2
Type label/Index plate.....................2
ATEX identification .......................3
Installation ............................
Temperature test point ..................4
Connecting the pressure measuring line ...4
Tightness test ..........................5
Commissioning.........................5
BK-G..M with mechanical index.............5
BK-G..A with Absolute ENCODER indexAE1/Z6 5
BK-G..A with Absolute ENCODERAE2/AE3
and communications moduleACM ..........5
BK-G..E, BK-G..ETB, BK-G..B with electronic
index .................................5
Diaphragm gas meters BK with integrated valve 5
Maintenance/Removal...................6
Accessories ...........................6
Technical data .........................7
Declaration of conformity ................7
ATEX legend ...........................9
Contact ..............................0

Elster BK-G Series Specifications

General

Brand	Elster
Model	BK-G Series
Category	Measuring Instruments
Language	English

Summary

Safety

Operating Instructions

Checking the Usage

Details on residential or commercial diaphragm gas meters BK for recording gas consumption and suitability for different gases.

Part Designations

Illustrates and lists the components of a diaphragm gas meter BK, including index, connectors, and caps.

Type Code

Explains the coding system for diaphragm gas meters BK, linking codes to flow rates and index types.

Installation

Provides critical warnings and instructions for the safe and correct installation of diaphragm gas meters.

Temperature Test Point

Instructions on how to insert and secure temperature sensors into thermowells for gas temperature measurement.

Connecting the Pressure Measuring Line

Guidance on safely connecting a pressure measuring line, emphasizing tightness and material compatibility.

Tightness Test

Procedure for checking the pipework and gas meter connections for leaks to ensure safe operation.

Commissioning

Steps to follow after a successful tightness test to prepare the gas meter for operation.

Maintenance and Removal

Information on the maintenance-free nature of meters, recalibration, and safe removal procedures.

Accessories

Recommendations for using Elster GmbH accessories and requirements for communications modules.

Technical Data

Comprehensive technical specifications for diaphragm gas meters BK, including operating conditions and ranges.

Declaration of Conformity

Details on compliance with MID and EMC directives, including EC type-examinations and standards.

ATEX Legend

Explanation of symbols and codes related to ATEX (explosive atmospheres) markings on the gas meters.

Contact Information

Provides contact details for Elster GmbH in Germany, and distributors in the United Kingdom and Ireland.