BGX701-240-R01 Liberty gas EG4v12 user cum maintenance manual Page 5 of 32
1 Introduction
1.1 Target audience
This document is intended for technical users, utilities and fully qualified, registered installers of Liberty
EG4v12 meters.
1.2 About this manual
The manual describes functions and features of the Liberty EG4v12 meter and provides necessary information
needed to use the meter.
1.3 Important safety information
Attention is drawn as follows in the individual chapters of this user manual with classified word symbols
and pictographs to the relevant danger level, i.e. the severity and probability of any danger:
Definition of danger
This symbol is used to indicate a possibly dangerous situation which could
result in severe physical injury or a fatality.
Definition of warning
This symbol is used to indicate a possibly dangerous situation which could
result in minor physical injury or material damage.
The meter should only be installed by trained personnel safely and securely in accordance with local best
practices.
1.4
Installation, maintenance and environment
The product should be installed in line with PNGRB guidelines. Install in a location where it is
protected from impact and friction.
A visual inspection should be performed before installing the meter. The following should be
checked, as a minimum:
o No evidence of external damage or missing parts
● The product conforms to ATEX zone 2 requirements. ATEX code is
II 3 G Ex ic nA IIA T6
There is no maintenance, repair or adjustment intended for this meter. There are no interchangeable
or serviceable parts (except primary battery which can be exchanged in service by authorised
personnel only), without breaking metrology seal.
Attention
Danger
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