G4SZV-1/G4SZV-2 & G4SDZV-2 V1.10
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7.1.7
Supply re-connection due to an Alarm being cleared
The meter will NEVER re connect the supply after an alarm has been cleared. The
principle is that there has been a fault and the Utility must ensure this is cleared
properly, before issuing a re-connect from the HES as per 7.1.5
7.2
Supply (valve) status
On the meter LCD, a symbol indicates the Supply (valve) status.
Valve open
Valve busy (closing or opening in progress)
Valve shut off. No gas available.
7.3
Safe Opening Process
In order to avoid the possibility of turning the supply (gas) on when there is
no one in the premises and or turning the supply (gas) on when an appliance
is “on” but not ignited, there must be someone at the gas meter to read the
messages and press the button when requested to as follows:
When the supply is asked to be re-connected (open the valve) the following
happens
1. At the bottom line of the display the following messages will be shown
alternatively (flashing)
“turn off all appliances” & “Press button to connect”
2. After pressing the button, the valve will open a little and the meter will check
that there is no gas flow/consumption
1)
.
3. If there is no gas consumption within the test period
2)
, the valve will open fully.
4. If there is gas consumption detected, the valve will close and you must start the
procedure again after checking appliances are off and there are no gas leaks.
1)
Flow limit is set to 50 l/h or 0.05 m³/h
2)
The test period is set to 60 seconds
Both of these values will be able to be updated from the Utility at a later date, when the
DCC has removed a defect in its system. (circa end of 2018)
