BS EN 12102-2:2019 pdf free.Air conditioners, liquid chilling packages, heat pumps, process chillers and dehumidifiers with electrically driven compressors -Determination of the sound power level. BS EN 12102-2 This document specifies methods for testing the sound power level of air/water, brine/ water,water/water and direct exchange/water heat pump water heaters and heat pump combination heaters with electrically driven compressors and connected...