11
Maintenance and Service
The actual replacement time of the filter shall be determined according to
the actual use time and environmental impact. If the filter element is
blackened, it shall be replaced immediately regardless of the use time.
III.
Clean the humidification water tank
Water in the humidification water tank shall be replaced every day.
Clean the humidification water tank once a week, and wash it with
clean water repeatedly to ensure oxygen sanitation. When cleaning
the humidification water tank, pay attention to clean the rubber plug.
Note: if there is scale or peculiar smell in the water tank due to long time of
cleaning or water change, soak it in white vinegar for more than half an
hour, shake it vigorously, clean it and then rinse it with water.
Disassemble the humidification water tank
（
1
）
Pull out the humidification water tank along the direction shown in
the figure (Figure 10)
（
2
）
Remove the rubber plug (Figure 11
）
Figure 10
Figure 11