Air-to-water heat pump 11kW without heating element. Outdoor unit AWHP 11 TR-2 / Indoor unit BLWSI1116OHC. Without electric heating (OH) = Connection option for one external heat source: can be combined with a second heat source. Weather-dependent control for one heating circuit and hot water heating. Integrated IWR Alpha with full graphic display and menu-driven text display. Fully integrated hybrid function (automatic switching based on the energy price). Photovoltaic function (PV). Outdoor temperature sensor included. Max. flow temperature +60 °C. Min. outdoor temperature -15 °C for BLW Split. Filled with R410A refrigerant. Built-in starting current limitation via frequency converter. Quiet operation thanks to noise and vibration isolation of compressor and chiller. No freezing of the outdoor unit.