Nobu NBL4-12IDU32 User Manual page 22

Clean and Maintenance
Open panel
1
Pull out the panel to a certain
2
WARNING
operation environment, clean frequency can be increased.
3
● Use dust catcher or water to
the water (below 45℃ ) to clean
it, and then put it in a shady
and cool place to dry.
4
panel cover tightly.
18
20