Section 1 – Description of the device
NOTE!
All air inlet and outlet openings and air transfer openings must not be obstructed, covered or closed
so that an unhindered airflow is ensured. Settings made by the qualified technician must not be
changed.
WARNING:
Alterations made to the unit or system, as well as structural changes to the building, can affect
safety. Always consult a qualified technician.
1.4 CE mark
The ventilation unit is designed and built in accordance with the relevant European standards and directives in
order to meet the health and safety requirements. This is documented by the EC Declaration of Conformity
and by the CE mark attached to the unit. For installation and use, any additional, applicable national laws,
regulations and guidelines must be observed.
Section 2 – Control
2 Control
The unit is controlled using the display panel on the front of the unit.
Additional optional external sensors can be connected depending on the requirements of the site installation.
Natural Air 180/350 and Natural Air 180/350 PH : Optional, Internally mounted Sensor board kit required –
Part N° 93324AA. (Natural Air 180/350 Plus : Sensor board is fitted as standard).
WARNING:
The unit must not be used if it is damaged. Disconnect the unit from the power supply and notify
your installer.
2.1 Display and control panel on the unit
The unit uses a 3 button control panel with a back lit
text display giving menu-driven operations.
Navigate through the menu structure within one level
using the and buttons. Select the required menu
item using the OK button. Hold the button pressed
for 1 sec. in order to switch to the previous level.
Change the selected settings using the and buttons
and save the set value using the OK button. Hold the
button pressed for 1 sec. in order to exit the menu
item without saving changes.
1
LCD display
2
button: back / reduce
button for 1 sec: Level up
3
OK
button: select / save / level down
4
button: next / increase
Fig. 2.1 Display and Control panel
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