Stiebel Eltron 201291 LWZ 5 S Plus Airt to water heat pump Energy efficiency rating (calc) A+ (A+++ - D)

APPLICATION: Power-controlled integral system with air/water heat pump for central ventilation, central drinking water heating and heating in new buildings and single-family houses. EQUIPMENT/COMFORT: Integrated electronic temperature-controlled regulation for power-controlled heating power, hot water power and ventilation. Intelligent control with program code for fans, heating, hot water and absence/vacation. Additional functions such as humidity protection ventilation with integrated humidity sensor in the exhaust air, Internet service gateway (ISG) with KNX option and PV optimization optional. The cooling circuit of the air/water heat pump is equipped with all necessary safety devices. Electrical emergency heating for heating and hot water. The integrated hot water tank is specially enameled and equipped with a magnesium protective anode with electronic monitoring. Highly efficient cross-current heat exchanger made of plastic with economical constant volume current fans. The outside air is pre-heated via a cold loop sub-cooler. EFFICIENCY: High efficiency due to demand-dependant control of the inverter compressor. INSTALLATION: The connections for external air, supply air, exhaust air and exhaust air are located on the top of the device. Stable steel-plate casing in timeless design.

This text is machine translated.