Yuwell YH-480A, User Manual

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05 06
Air outlet of
water tank
Air inlet of water tank
Water line
Cover of
water tank
Container of
water tank
7. Explanation of button
START/ STOP button: press to start /stop therapy.
Dial: turn to navigate the menu and press to select an option. Turn to
adjust the options and press to save your choice.
8. Installation
The following section will help you install your device by yourself
2 1
4 3
6 5
1. Place the device on a stable level surface; Hold the water tank at the top and bottom, press it
gently and pull it away from the device;
2. Open the water tank and fill it with distilled water up to the maximum water level mark. Do not fill
the water tank with hot water;
3. Close the water tank and insert it into the side of the device;
4. Plug the power connector into the rear of the device;
5.
Connect the heated tubing firmly to the air outlet located on the rear of the device;
6. Fit your mask correctly (refer to the mask manual) and connect the free end of the heated tubing
firmly onto the mask and press the start button to begin treatment.
Caution
• Please change the distilled water in the water tank every day.
• Do not add the distilled water above the maximum water level mark, in case the water may enter
the heated tubing and the device.
• Appliance coupler or mains plug is used as the isolation means from mains supply, not to
position the equipment so that it is difficult to operate the disconnection device.
• When the humidity level is 6 and the therapy pressure is 20 cmH
2
O, 8 hours is an expected
duration of operation before refills.
9. Therapy
f
9.1 Start therapy
1. Power on your device;
2. Fit your mask;
3. Press Start / Stop button or breathe normally if Smart Start / Stop is enabled, therapy will start.
During the therapy, the real-time average pressure, the set pressure, the ramp time (min), and
the humidity level will all be displayed on the screen;
4. During the ramp time, the pressure increased gradually until the setting pressure has been
reached;
5. The screen will go black automatically after about one minute. You can press any button to turn
it back on.
Caution:
• When the level of the humidity is 1-6 and the device is delivering gas pressure, the heating plate
will heat (including the situations that the screen shows “Large Leakage” and the backlight of the
screen is off).