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3. INSTALLATION
> 100mm
The CAD HE 325/450/575 heat recovery unit is designed for indoor installation.
We recommend a min. temperature of >10ºC in the room where the unit is installed
to guarantee a good efficiency of the unit.
In areas where temperatures can be below -10º C in the winter time, it is
necessary to install a pre-heating device.
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Ducts must be insulated and correctly
installed.
The U-bend is always to be filled
with water.
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