Operating Instructions | HERAcell® 150i / 240i
7
Handling and control (iCan™ touchscreen controller)
7
Handling and control (iCan™ touchscreen controller)
7
Handling and control (iCan™ touchscreen controller)
91
50115191 A / 08.2009
Gas cylinder empty:
Error message, indicating, that the filling level of one
or of serveral gas cylinders is too low to ensure regular
gas supply.
The monitoring function is available only for device
versions with the optional gas monitoring system.
Request service:
This indicator shows that the routine service is due.
The display of the icon is controlled by the time entry
in the
R
EMINDER
I
NTERVAL
dialog box and it appears
after the reminder message has been confirmed.
Gas cylinder filling level display (optional):
If the device is equipped with the optional gas
monitoring system the icons [1] for gas cylinder A and
gas cylinder B appear in the corresponding CO
2
display / O
2
display. The icons indicate the gas
cylinder filling level (full / empty).
The icon with the blue frame indicates the bottle not in
use that will be switched over to continue the supply.
• Manual changeover to a full gas cylinder is
possible.
>
Press the cylinder icon with the blue frame.
or
• changeover can occur automatically, if:
>
the cylinder pressure drops below 0.6 bar.
After a manual or automatic changeover of the gas
supply, another changeover is inhibited for 30
seconds. It takes approximately 2 minutes before the
filling level of the new cylinder has been determined
and can be displayed.
The gas monitoring system monitors the filling state of
the two connected gas cylinders.
If one cylinder is empty:
• no audible alarm sounds but an error message is
displayed,
• an entry is written into the event list.
If both bottles are empty:
• an audible alarm sounds and the alarm relay swit-
ches,
• an error message is displayed,
• an entry is written into the error table,
• an entry is written into the event list.
Fig. 60: Gas monitoring icons
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