Section 2 – Description of the Device
(Devices such as grilles or diffuser or dampers can be used to set individual room rates)
NOTE!
See Table 3.1 on Page 7 for Factory set Supply and Extract flow rates.
See Section 6.3 Installer menu – Set the Air flow for any flow rates need to be changed. (As
determined by the design).
NOTE!
The following documents are needed for correct designing of the system:
• Details of the building and the rooms or areas to be ventilated.
• Floor plans indicating room use.
• Sectional drawing indicating room heights.
NOTE!
An incorrectly specified system can lead to insufficient ventilation and can cause high noise levels
and an excessive energy consumption.
Any applicable guidelines and regulations must be observed and complied with.
WARNING:
Using the ventilation unit together with open flue fuel burning devices (e.g. fireplaces, gas stoves) is
subject to further special requirements.
Any applicable national as well as regional guidelines and regulations must be observed.
We strongly recommend you consult a qualified specialist.
WARNING:
Applicable fire regulations must be complied with. For example, fire dampers should be fitted,
where required.
2.5 Design
1 Back plate and sides
2 Control panel and display
3 Inspection door
4 Front cover
5 Connection nozzle, extract air
6 Connection nozzle, supply air
7 Connection nozzle, exhaust air
8 Connection nozzle, fresh air
9 Defrost Heater supply output
(Natural Air 180 PH variant only) *
10 Boost Heater supply output
(Natural Air 180 PH variant only) *
* External Heater boxes (not supplied) are available
as an accessory. (See User Manual for details).
Fig. 2.2 Structure of the ventilation unit
6
Section 8 – User Menu
Fig. 8.1 Map of User Menu
35
