Haverland Pure Air Box Instruction Manual page 24

MAINTENANCE
EN
8.2 How to change the cell:
ALWAYS unplug the power cord from the back of your Pure Air Box
before doing any maintenance. Removing the cover may expose
ultraviolet light source. To protect against eye damage, always unplug
before doing any maintenance.
Unplug unit.
(1) Remove the back panel screws and (2) back panel.
(3) Press latches and (4 )unplug the cell power connector.
(5) Pull the cell straight out to remove. Reverse order to replace cell.
2
1
24 PURE AIR BOX
3
4
5
Fig. 9