Breathing From A Portable Oxygen Unit - CAIRE HELiOS Marathon H850 Use Manual

accurate oxygen flow. Lay the portable oxygen unit on
its back and set the Flow Control knob to OFF during the
wait time.
Note:
After each fill, wait for at least 30 minutes before refilling
the portable oxygen unit again. This will prevent
potential freezing of the vent valve and minimize
wasted oxygen.
The frequency required to fill or top off the
portable oxygen unit varies, based on breath rate
and prescribed oxygen rate setting. Additionally,
excess moisture or extreme temperatures may
reduce oxygen duration.
Figure 10. Positioning for Wait Time After Fill

Breathing from a Portable Oxygen Unit

Use a dual-lumen nasal cannula with your
portable oxygen unit. The nasal cannula has two
connections at the portable oxygen unit. One
connection is used to sense when you inhale, the
HELiOS Marathon
Using Your HELiOS Marathon H850 Portable Oxygen Unit
Laying portable oxygen unit on its back.
Setting Flow Control knob to OFF.
TM
H850 Portable Oxygen Unit Home Use Guide 23