BGX701-240-R01 Liberty gas EG4v12 user cum maintenance manual Page 3 of 32
Table of Contents
1 Introduction .................................................................................................................................... 5
1.1 Target audience ............................................................................................................................................................................... 5
1.2 About this manual .......................................................................................................................................................................... 5
1.3 Important safety information .................................................................................................................................................... 5
1.4 Installation, maintenance and environment ....................................................................................................................... 5
2 Product overview and operating principle .................................................................................. 7
3 Product description ........................................................................................................................ 8
3.1 Liberty EG4v12 main features ..................................................................................................................................................... 8
3.1.1 Electronic unit (EU) ...................................................................................................................................................... 9
3.1.2 Battery .............................................................................................................................................................................. 9
3.1.3 Integral shut-off valve ................................................................................................................................................ 9
3.1.4 Tamper detection.......................................................................................................................................................... 9
3.2 Using the display ............................................................................................................................................................................ 9
3.2.1 Display icons ................................................................................................................................................................ 10
3.2.2 Keypad functions ........................................................................................................................................................ 10
3.2.3 Financial display .......................................................................................................................................................... 11
3.2.4 Display timing ............................................................................................................................................................... 11
4 Meter specifications .................................................................................................................... 12
4.1 General specification .................................................................................................................................................................. 12
4.2 Handling, storage and operating conditions ..................................................................................................................... 13
4.3 Liberty EG4v12 dimensions ........................................................................................................................................................ 13
5 Functional specification .............................................................................................................. 14
5.1 Meter operating modes .............................................................................................................................................................. 14
5.1.1 Prepayment mode ...................................................................................................................................................... 14
5.1.2 Commissioning mode ............................................................................................................................................... 14
5.2 Registers and snapshots ............................................................................................................................................................ 15
5.2.1 Registers ........................................................................................................................................................................ 15
5.2.2 Snapshot logging ........................................................................................................................................................ 15
5.3 Timekeeping .................................................................................................................................................................................... 16
5.4 Accounting ....................................................................................................................................................................................... 16
5.4.1 Standing charge deduction .................................................................................................................................... 16
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