CAIRE HELiOS Marathon H850 Use Manual page 36

Using Your HELiOS Marathon H850 Portable Oxygen Unit
mode. To maximize the efficiency of the system,
connect the portable oxygen unit to the reservoir
for at least ten hours every 24-hour period. The
portable oxygen unit should be nearly empty so
the oxygen coming through it comes directly from
the reservoir.
1. Attaching the supply line to the
Figure 19. Connecting Supply Line to Reservoir
2. Attaching the supply line to the portable
32 HELiOS Marathon
reservoir—Thread the oxygen supply line nut
onto the reservoir oxygen supply outlet. See
Connecting Supply Line to Reservoir, Figure 19.
Ensure the oxygen supply line and connection is
tight. If there is a hissing sound, tighten the
connection or reseat the nut and retighten until
the hissing stops.
1
2
Oxygen Outlet Connection
1
Oxygen Supply Line
2
oxygen unit—Connect the opposite end of the
oxygen supply line to the portable oxygen unit
at the oxygen supply connector by pushing the
supply line into the connector. See Connecting
Supply Line to Portable Oxygen Unit, Figure 20.
The connectors should snap together. If the
supply line does not easily engage into the
portable oxygen unit, push the silver release
TM
H850 Portable Oxygen Unit Home Use Guide