User's Manual

EN
30/316
3. Remove the battery from the device.
4. Press the four release buttons located at the top of the de-
vice to remove the top cover of the device as shown in Fig.
9.
5. Use the tool included with the replacement sieve modules
package to rotate the sieve counter clockwise 3 - 4 turns
until it can be removed by pulling up towards the top of the
device.
6. Repeat for the second sieve module.
7. Remove the replacement sieves from the packaging, re-
move the air plug on the sieve module and immediately in-
stall the replacement sieve module. Caution: Do not leave
the replacement sieve exposed.
8. Install the replacement sieve, with thread at the top of the
device as shown in Fig. 10.
9. Hand tighten the sieve.
10. Use the tool to fi nish installing.
CAUTION: Do not over-tighten!
11. Repeat steps 8 - 10 for the second replacement sieve.
12. Re-install the top cover to the device by pushing down over
the top of the device until the four buttons snap into place.
13. Re-insert the battery into the device.
14. Connect the device to an AC or DC power source.
DO NOT POWER ON!
15. Press the alarm mute
and battery buttons simultaneously until the displays
shows "Leak Test".
a. The device will indicate progress by decimals right of the "Leak test" text.
b. When completed, the device will indicate "Test Passed" or "Test Failed".
i Test Passed - Press battery button
to exit, continue to step 16.
ii Test Failed - Press battery button
to exit, then repeat steps 4-15.
16. If the leak test has passed, then clear the device sieve hour counter.
a. Turn on your Zen-O lite portable oxygen concentrator.
b. Simultaneously press the and buttons until "Diagnostics" is displayed.
c. Press the
or button to navigate he diagnostic menu until "XXXH Sieve" is
displayed, where XXXX = number of hours for the old sieve was utilised.
d. Press the alarm mute button
until the sieve hour counter shows "0H Sieve".
Fig. 9
Use the tool included with the replacement sieve modules
Fig. 10