Modular-Light AHU
User Manual
6
Two examples of main screen display:
Economy mode, cooling Ventilation mode, heating
3.4
Operating instructions
Unit State changeover
This button allows the user to change unit actual operating state. To change unit state follow these
steps:
1. Press the On-Off button
2. Navigate through the different available states by pr or – buttons:
-
Auto = unit follows time scheduler settings
-
On = unit on with nominal setpoints
-
Off = unit off
-
Ventilation = only fan active, no heat/cool control
-
Economy = unit on with economy setpoints
3. Confirm the change of state by pressing for at least 1 second the OK button
4. To return to the main screen page without taking any action, either press the Home button
or wait for 5 seconds
Occupancy mode
Occupancy is a function that allows to run the unit for fixed period even if it is “Off” via time
scheduler. This time period can be configured during unit commissioning.
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 (Off, On)
3. Confirm the change of state by pressing for at least 1 second the OK button
4. To return to the main screen page without taking any action, either press the Home button
again or wait for 5 seconds
