Accessories
44
Connecting the Astral External Battery
The Astral External Battery has been designed specifically for use with the Astral Series of ventilators. It
is intended to provide Astral ventilators with eight hours of power during typical use.
For full details on using the Astral External Battery, refer to the External Battery user guide.
Using the External Battery
Connecting a fully charged External Battery to the Astral device can provide 8 hours of power during
typical use. A second fully charged External Battery can be connected to the Astral device to provide a
further 8 hours of power during typical use. A maximum of two external batteries can be connected to
the Astral device.
Once the External Battery is connected to the Astral device, the DC mains indicator on the user interface
will illuminate.
WARNING
Do not attempt to connect more than two external batteries. Battery specific messages and
alarms on the Astral device will not operate for any additional units.
• In the unlikely event of an issue occurring with the external battery, Astral will sound an alarm
and notify the user indicating that the device is operating on internal battery power. Ventilation
will continue, however, users should connect to an alternative external power source (eg, AC
power or another external battery) as soon as possible.
Alarms and messages relating to the External Battery may occur from time to time. All message
information will be displayed on the Astral user interface, and will be accompanied by an audible signal.
Refer to the Alarms Troubleshooting (see page 65) for further information.
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