ResMed Astral User Manual

English
The ResMed DC/DC Adapter
("Adapter"), provides an additional
method of operating an Astral
Astral 150 Ventilation device where AC
mains power is not available.
The Adapter plugs directly into a
standard DC socket (eg, an automotive
cigarette lighter socket) to power the
Astral device and charge the internal
battery.
The Adapter can be used with power
sources ranging from 12V to 24V DC.
WARNINGS
• Read instructions before use.
• The Adapter must only be
used with the Astral
series of ventilators.
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Astral DC/DC Adapter
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• When using the Adapter, do
not touch the connections at
the back of the Astral device.
• Do not connect the car battery
to an AC charger while the
Adapter is connected to the
Astral device.
• Do not attempt to modify the
Adapter, there are no user-
serviceable parts inside.
• If using supplemental oxygen
with the Astral device, ensure
oxygen is turned off prior to
connecting or disconnecting
the adapter. Only use
oxygen in a well-ventilated
environment.
CAUTIONS
• Always start the car before
plugging in the Astral.
• The Adapter is intended
for use on negative ground
systems between 12V and 24V
(where the negative terminal
of the battery is grounded).
Using it on a positive ground
system may damage the
Astral device and the vehicle's
electrical system. If you are
User Guide
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