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8.3 AHU On-Off (1)
This button allows the user to change AHU actual operating state. The user can cycle and choose all available AHU
states (Auto, On, Off, Ventilation, Economy) through this menu.
To change the AHU state follow these steps:
1. Press the On-Off button
2. Navigate through the different available states by pr or
– buttons
3. Confirm the change of state by pressing for at least 1 second the Confirm button
4. To return to the main screen page without taking any action, either press the Home button
or wait for 5 seconds
8.4 Occupancy On-Off (2)
The Occupancy is a function that allows to run the AHU for fixed period (defined on the main controller under
“
Status/Settings -> Occupancy Tm
”)
when it is Off via time scheduler.
This means that the Occupancy function can only work when the AHU is control led via time scheduler
HMI Path: Main Page
→
Ctrl Source = Local
HMI Path: Main Page
→
Local Switch = Auto
To activate/deactivate the Occupancy function follow these steps:
1. Press the Home button
2. Navigate through the different available states by pr or
– buttons
3. Confirm the change of state by pressing for at least 1 second the Confirm button
4. To return to the main screen page without taking any action, either press the Home button
again or wait for 5
seconds
8.5 Date and time (3)
To change the date and time displayed on the main screen follow these steps:
1. Press PROG button for less than 1 second (hours blinks), then set the hour with the + and
–
2. Press OK button (the hour is saved and the minutes blink), then set minutes with + and
–
3. Press OK button (minutes are saved and the entire time blinks), then set the time display format (12/24 hour)
with + or
–
4. Press OK (the display format is saved and the year blink), set the desired year with + and
–
5. Press OK (the year is saved and the display shows the month/day, the month blinks) set the month with the +
and
–
6. Press OK (the month is saved and the day blinks), set the day with the + and
–
7. Press OK (month and day are saved, display returns to the time)
8. Press PROG (the display returns to normal view)
The display automatically returns to normal view when the PROG button is not pressed within one minute.
8.6 Temperature Setpoint Offset (4 & 5)
The b or - are used to define an offset from the Heat/Cool setpoint set on the main controller.
By single pressing the + or - buttons on the main screen, the actual setpoint is being displayed. Every other press
increases/decreases the temperature set point of 0.1 °C.
A long press of the + or - buttons display the actual temperature offset determined with the room unit respect the main
setpoint.