Operating Manual AmbiCube
Maintenance
Page 32 of 40
Version: 2 | en
Subject to technical changes
1.) Turn the selector switch on the front of the room air cleaner to position 0.
Ä
The fan is switched off.
Selector switch room air cleaner On / Off
Manometer filter resistance
Potentiometer for speed of fan
Illustration 20:
Detail view of the control unit of the room air cleaner
2.) Pull the round plug of the power supply connection cable out of the grounded
contact socket.
3.) If the room air cleaner is located in a room that is difficult to ventilate, the room
air cleaner should be moved to a well ventilated area. The room where the fil-
ter elements are changed should be well ventilated and should not be entered
by any other persons without appropriate protective equipment during and im-
mediately after the change of the filter elements until the room air is changed
or cleaned.
4.) Loosen and remove the four fastening screws on the top of the air outlet grid.
A 4 mm Allen wrench is required to loosen the screws.
Fastening screws
Illustration 21:
Mounting of the grid of the outlet opening
5.) Remove the outlet grid
6.) Remove any existing objects on the filter elements.
7.) Loosen and remove the two wing nuts of the filter element fastening.
Second filter stage
First filter stage
Fan
Wing nut
Mounting bracket
Illustration 22:
Sectional view mounting of filter elements
