Outdoor air temperature
The outdoor air temperature setting can be used to control the operation of the unit in very cold conditions (below -20°C when using an aluminium cell and below -5°C when using a plastic cell). The value has been optimized based on the cell type and the installation conditions.
Important
The outdoor air temperature setting must only be changed in extreme situations, and with the help of a HVAC specialist. If the heat recovery cell becomes frozen, the temperature value must be lowered. We do not recommend that the value be increased under any circumstances.
To set the outdoor temperature:
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Select Settings:
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Use the arrow buttons to select Expert settings:
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Select OK:
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Use the arrow buttons to select Defrost settings:
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Select OK:
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Select Right arrow twice.
The Defrost settings display opens:
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Use the Plus and Minus to select the outdoor air temperature. You can set a value between 0–100%. The factory setting depends on the type of the ventilation unit.
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Select OK:
The outdoor air temperature is now set.