The output details refer to new appliances with clean heat exchangers. Nominal data to EN 16147 / Heat pump for recirculated air .
* Sound Power Level measures the sound energy emitted by a source. Sound Pressure Level (SPL) measures the sound level (loudness) at a distance from the
source. SPL varies depending on the acoustic environment and the accuracy of the measurement device.
* Sound Power Level measures the sound energy emitted by a source. Sound Pressure Level (SPL) measures the sound level (loudness) at a distance from the
source. SPL varies depending on the acoustic environment and the accuracy of the measurement device.