SECTION 5
SERHT50NA A0808 5-11
HUMIDIFIER
1. Connect the temperature probe to the ventilator. Attach an
empty humidifier bottle to the ventilator (no water or heat sink).
2. Use the HT50 On/Standby button to enter the Settings
condition. Press the Humidifier On button and adjust the set
target temperature to 39 ºC. Press the Humidifier On button to
accept.
3. Verify the continuously displayed temperature is stable and is
approximately room temperature for at least 5 seconds.
4. Use the HT50 On/Standby button to enter the ON condition.
Verify the continuously displayed temperature is stable and is
approximately room temperature for at least 5 seconds.
5. Disconnect the humidifier bottle. Verify that the audible and
visual “Humidifier Fail” alarm occurs.
6. Reconnect the humidifier bottle. Clear the alarm message by
pressing the Silence/Reset button. Press the Humidifier On
button.
7. Disconnect the temperature probe from the Temp Probe inlet
jack beneath the Mainflow Outlet Manifold. Verify that the
audible and visual “Temp Probe” alarm occurs.
8. Reconnect the temperature probe. Clear the alarm message by
pressing the Silence/Reset button.
9. Remove the humidifier bottle and replace the heat sink.
Reinstall the bottle on the HT50.
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