The technical architecture of the Electrolux ESA47220SW focuses on mechanical efficiency, highlighted by the SatelliteClean arm that constantly changes its spray angle to overcome the limitations of fixed-arm dishwashers. Its 1950W power system supports the ExtraPower feature, which increases water temperature and pressure to remove stubborn residues without requiring an inverter motor. The 9.9-liter water efficiency is regulated by an onboard Dirt Sensor that monitors turbidity, allowing the Auto Sense program to calibrate water volume in real-time. For longevity, the unit employs a Triple Filter system and a stainless steel interior to resist corrosion. Acoustic engineering keeps the noise floor at 46 dB, even during the high-pressure Rinse and Hold or 160-minute cycles. The AirDry mechanism is a critical engineering choice, utilizing a mechanical door release at the end of the wash to prevent moisture buildup against the plastic-coated wire baskets, effectively cooling the 13 place settings naturally.