6.3 Extra operating mode
Under the menu Measurement values shown “Extra operating mode”, special operating modes as below.
AV:
No special operating modes.
Defrosting:
Defrosting of the heat exchanger takes place.
Heat retention:
In the case of a water battery, a certain return temperature is maintained.
Freeze protection:
In the case of a water coil, the actuator opens at a certain return temperature.
Freezing:
The unit blows in the cooler outside air when the indoor temperature gets too high.
Reserve operation (Emergency):
The unit alarms but the extract air is running.
Moisture reduction:
Increased ventilation.
Winter drift:
Changes the balance of ventilation when the outside temperature goes below a certain temperature.
Start-up:
The unit is starting up the fans and the heat exchanger.
Presence:
Attendance sensor/function activated.
Down regulation Fan:
Down regulation of supply air fan activated.
See “Parameter settings” and other description points for more detailed explanation of functions and operating cases.
