Releasing The Valve; Retrofitting/Replacing The Communication; Module; Check Test - Elster BK Series Operating Instructions For Operators And Installers

Releasing the valve

▷ If a valve is integrated in the diaphragm gas meter ▷
BK, this must be released/opened for commis-
sioning.
▷ The valve can only be released when the optical ▷
communication link has been established.
1 Establish the optical communication link, see
[Establishing an optical communication link – p. 6].
▷ Ensure the customer's consumers are closed. ▷
Opening valve
CECK IF APPLIANCES,
OFF, THEN HOLD
OFF
2 Release the valve.
▷ The procedure depends on your user software. ▷
Opening valve
Gas valve opened
Press to continue
ON
Retrofitting/replacing the
communication module
1 2
5 6 7 8
B K -G x
1 2 3 4
▷ The communication module can only be retrofitted ▷
or replaced when the optical communication link
has been established.
4 Establish the optical communication link, see
[Establishing an optical communication link – p. 6].
▷ The intended interface for the optional commu- ▷
nication module is UMI-1.
5 The communication module and index must be
paired.
UMI-2 UMI-3
3
B K -G x
1 2 3
B K -G
▷ The procedure depends on your user software. ▷
▷ Retrofit or replace the communication module ac- ▷
cording to the instructions or the servicing steps
provided by the relevant manufacturer.
6 Re-seal the service seal.

Check test

The MID (2004/22/EC) prescribes that the measur-
ing instrument, in this case the BK, should be able
to be checked.
▷ The accuracy of the meter must be checked by ▷
comparing the flow rates.
▷ The requirements and test methods must comply ▷
with national laws and regulations.
▷ The check should be carried out using the cyclic ▷
test, see [Service mode – p. 5].
Assistance in the event of
malfunction
? Fault
! Cause
• Remedy
Possible faults and suggested solutions
? The symbol is displayed.
! If the
symbol appears next to a measured
value, this means that the value is invalid.
• After the next data synchronization, the data are
recorded again correctly and
? When pressing the user keys, the display remains
switched off. A beep can nevertheless be heard.
! Energy-saving mode is active. If the index is used
too often, the average energy consumption has
been exceeded.
• Do not use the index for an extended period, e.g.
24 hours. After this, the user interface will once
again be available.
? When pressing the user keys, the display remains
switched off and a beep cannot be heard.
! The index is defective.
• Contact the manufacturer.
? The symbol is displayed.
! Low battery. This symbol is only displayed when
battery power is low.
• Change the battery.
▷ In the case of faults which are not described here, ▷
contact the manufacturer immediately.
GB-7
disappears.