CAIRE HELiOS PLUS H300-50, Home Use Manual

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How To Use Your H300-50 Personal Oxygen System
18 H300-50 Home Use Guide
WARNING: Do not open the vent valve during non-fill
use. Excessive discharge of liquid oxygen could create
a fire hazard and/or cause personal injury.
Do not touch liquid oxygen or parts that have been in
contact with liquid oxygen. Liquid oxygen is extremely
cold (-297 °F / -183 °C). When touched, liquid oxygen,
or parts of the equipment that have been carrying
liquid oxygen, can freeze skin and body tissue.
Figure 5: Filling the H300-50 Portable
Note: Fill time is usually between 30 and 40 seconds
when the H300-50 Portable is empty. The amount
of time to fill the H300-50 Portable depends on the
amount of oxygen remaining in the H300-50
Portable.
vent
valve