Vents-us CBF 110, User Manual

14

CBF

vents-us.com

Operation mode 

 — the fan operates without any activation signal from the switch, humidity or motion sensor.

Operation mode 

 — the fan operates with activation signal from the switch, humidity or motion sensor.

 —  back to the upper setup menu level.

Once the switch is turned on or the humidity or motion sensor is activated, the fan switches from the mode 

 to the mode 

. After a signal 

is no more received from the sensor in case of the indoor humidity normalization, or no more motion is detected in case of the fan shutdown, 
the fan keeps  running for a set turn-off delay time and then switches from the mode 

 to the mode 

.

SETUP OF THE OPERATION MODES 

 AND 

The 

 and 

 modes can take the following values for the fan with an AC motor:

 — the fan is turned off.
 — the fan operates at reduced performance.
— the fan operates at maximum performance.

Example 1

 = 

, 

 = 

 — with these activated settings the fan is constantly turned off. Once the switch is turned on or a sensor is 

activated, the fan starts to run at reduced performance.

Example 2

 = 

, 

 = 

 — with these activated settings the fan runs at reduced performance. Once the switch is turned on or a sensor 

is activated, the fan starts to run with the maximum capacity. This setting is factory set and is the default setting.

MAINTENANCE

The fan maintenance includes regular cleaning of the surfaces of dust and dirt. Replace the filter as required, but at least every 6 months.
The impeller cleaning is shown below. Clean the impeller blades thoroughly every 6 months. 

DISCONNECT THE UNIT FROM POWER SUPPLY BEFORE 

ANY MAINTENANCE OPERATIONS!