H-80 Series User Manual V1.0
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15.4 Replacing the Nasal Cannula
For details, refer to the cleaning instructions in the user manual for the nasal cannula.
CAUTION!
• It is recommended to replace the nasal cannula every two weeks or before being handed
over to the next patient for use.
15.5 Replacing the Tube and the Water Chamber
For details, refer to the cleaning instructions in the user manual for the tube or consult the
after-sales service personnel.
CAUTION!
• It is recommended to replace the LH2 Heated breathing tube, water chamber and the
water chamber adapter every two weeks or before being handed over to the next patient for
use.
15.6 Replacing the Air Filter
(1) Open the air filter cap to remove the air filter.
(2) Put the new air filter in the filter area, and then place the filter cap back properly.
CAUTIONS!
• In order to avoid damaging the material, the spare air filter cannot be placed under the
direct sunlight, nor in humid environment and environment below the freezing temperature.
The air filter shall be replaced at least every 3 months, 6 months or 1 year (the replacement
cycle can be shortened according to local air quality, please replace it in case of damage and
crack).
• Operating the device with a dirty air filter may stop it from working properly and may cause
damage to the device.
• Replacing the air filter and filter cap, device must be unplugged.
15.7 Disinfection
Please always follow the above cleaning requirements to complete the cleaning work during
use. When the device is polluted, or before it is used by the next patient, it shall be
disinfected according to the following disinfection methods.
Disinfection of the Device:
The device has the one-way protection setting, and the inside of the device need not to be
disinfected. Please use a clean, soft and a little damp disposable sterile cloth to scrub the
inlet port and outlet port of the device, and wipe away the dirt; then use the alcohol cotton to
scrub the inlet port, outlet port and the surrounding.
WARNINGS!
• After disinfection, rinse any disinfected component in clean water thoroughly, so as to
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