8
L8000013 –
Maintenance instructions for Duco Ventilation systems
D.3 How to clean
DucoBox Silent
1� Isolate the DucoBox Silent�
2� Open the cover�
3� Remove the wiring from the extract unit plate and Box Sensor(s) connected, if present, by unclipping them from the
connector on the PCB�
4� Unclip the extract unit plate in 4 places by releasing the 4 snap-ins with a flat screwdriver�
5� Do not touch the internal electronics�
6� The extract unit plate can then be removed from the casing�
7� Clean the fan and the casing with a vacuum cleaner�
8� Under no circumstances clean the motor unit with water and definitely do not immerse it in water or any other deter-
gent�
9� The fan's volute can be cleaned with a damp cloth�
10� Dry the fan's volute with a dry cloth�
11� Clip the extract unit plate back into the casing�
12� Check to ensure it is positioned correctly and press hard�
13� Take the Box Sensors, if present, out of the casing and clean them with a vacuum cleaner or a dry cloth�
14� Put the Box Sensors back, if present, ensuring that each of them is connected to the correct room, in line with the nomi-
nal extract flow rate for each room�
15� Reconnect all the wiring�
16� Close the cover� Press well on the 4 corners�
17� Put the DucoBox Silent under tension again�
DucoBox Focus
1� Open the cover�
2� Note which duct is connected where� Label the ducts�
3� Press the button on each Control Valve, if present� The LED indicator lights up as a result and then dims�
4� Wait for 10 seconds while the Control Valves, if present, shut automatically�
5� Isolate the DucoBox Focus�
6� Remove the wiring from the extract unit plate and Control Valves connected, if present, by unclipping them from the
connector on the PCB�
7� Unclip the extract unit plate in 4 places by releasing the 4 snap-ins with a flat screwdriver�
8� Do not touch the internal electronics�
9� Clean the fan and the casing with a vacuum cleaner�
10� Under no circumstances clean the motor unit with water and definitely do not immerse it in water or any other deter-
gent�
11� The fan's volute can be cleaned with a damp cloth�
12� Dry the fan's volute with a dry cloth�
13� Clip the extract unit plate back into the casing�
14� Check to ensure it is positioned correctly and press hard�
15� Take the Control Valves, if present, out of the casing and clean them with a vacuum cleaner or a dry cloth�
16� Put the components back again, ensuring that each Control Valve, if present, is connected to the correct room, in line
with the nominal extract flow rate for each room�
17� Reconnect all the wiring�
18� Close the cover� Press well on the 4 corners�
19� Put the DucoBox Focus under tension again�
