![background image](http://html1.mh-extra.com/html/caire/helios-marathon-h850/helios-marathon-h850_use-manual_3343065019.webp)
Using Your HELiOS Marathon H850 Portable Oxygen Unit
HELiOS Marathon
TM
H850 Portable Oxygen Unit Home Use Guide
15
3 Using Your
HELiOS
Marathon H850
Portable
Oxygen Unit
Overview
This section contains information on how to use
your
HELiOS
MARATHON
™
H850
portable oxygen
unit. Read all instructions before using the unit. Pay
particular attention to safety and unit position.
Filling the Portable Oxygen Unit
WARNING
Extreme cold hazard. Do not press or disturb the
plastic poppet in the center of the fill connector on
the reservoir. This will cause a release of liquid
oxygen from the fill connector.
WARNING
Do not leave the portable oxygen unit unattended
during the filling operation.
Figure 5.
Location of Plastic Poppet
Fill the portable oxygen unit from the reservoir
using the following sequence of procedures.