19
S
U I
5.4
5.5
5.6
5.7
5.8
5.9
Activation
Stand By
To activate the device
Key
Operation
Display
Press the mode/off key
Off
→
On
Select one of the 4 operating speeds by pressing the relative mode/off key. If the red
symbol
is flashing, it means that the room thermostat is not connected; it therefore
needs to be activated.
Key
Operation
Display
Press and hold the mode/off key for approx. 2 seconds. No illuminated signals on the
display at all means that the system is in stand-by (no operation).
Off
→
On
Ventilation speed regulation
By setting the highest speed, the maximum possible
power level is activated immediately whether heating or
cooling.
Once the desired room temperature is reached, we
recommend selecting one of the other 3 operation modes
for increased comfort and sound levels.
Key
Operation
Display
Each time the mode/off button is pressed the fan speed moves between supersilent,
minimum, medium and maximum.
The function being activated is indicated by the relevant symbol appearing on the
display.
Deactivation
Switching off for long periods
When switching off for a season or for holidays, proceed
as follows:
- Deactivate the device
- Turn the general unit switch to off.
Key
Operation
Display
Press and hold the mode/off key for approx. 2 seconds. No illuminated signals on the
display at all means that the system is in stand-by (no operation).
Off
Error status warnings
The board provides diagnostics in the event of anomalies,
which can be interpreted from combinations of LEDs.
The following table summarises the warnings.
•
Flashing LED
: TERM contact open
•
Flashing LED
: TERM contact closed;
•
4 flashing LEDs: GRID contact open;
•
LED on: supersilent speed active (400 rpm).
•
LED on: minimum speed active (680 rpm).
•
LED on: medium speed active (1,100 rpm).
•
LED on: maximum speed active (1,500 rpm).
