9. Operating Instructions
Continuous ventilation is necessary to ensure a healthy indoor air quality and to maintain the
building fabric in good condition at all times. Even with prolonged absence of residents (i.e.
holiday) it is not recommended to switch off the ventilation unit since indoor contaminants are
still being produced and entering the air, causing the air to get stuffy and a high possibility of
moisture damage due to excess humidity during the heating season.
Do not turn off the device! This is required for protection against moisture in accordance
with DIN 1946 Part 6 and Building Regulations 2010 Approved Document Part F.
The ventilation unit works properly when the flow rates are adjusted in accordance with the
above regulations to ensure optimum ventilation of the house.
Note:
The low and high speed levels can be adjusted for commissioning purposes by changing
values in Registers 68-71 in Pro Panel (please see chapter 9.4.4).
This can be also done by using manual potentiometers, which are located at the control box
mounted on the Fan module inside the unit. The medium speed has been set in the controller's
software by the manufacturer and is set as the average value of the manually adjusted low and
high speed levels.
Parameters
Settings
Low Speed Supply/Extract
30% (3V)
55% (5.5V)
80% (8V)
100% (10V)
15 min
1 min
3000 hours
22°C
Extract Air Temperature
-3°C
15 min
0°C
Medium Speed Supply/Extract
High Speed Supply/Extract
Boost Speed Supply/Extract
Manual Boost Overrun
On-demand Boost Delay
Filter Timer
Requested Indoor Temperature
Indoor Temperature Selection
Defrost Temperature
Defrost Cycle
Pre-heater Temperature
Default Factory Settings
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