Backup Power Supply for EcoAir Heat Pumps

Backup power supply for circulation pumps in EcoAir Heat Pumps, incl. a sealed maintenance-free 44 Ah battery with 12 year service life min. During power outage the temperature in the heat pump circuit is controlled and the heat pump’s circulation pump switched on when needed. The battery is not being discharged unnecessarily and the heat exchanger of the heat pump is prevented from freezing up as long as possible during a power outage.