fer increase 2 storages and 2 valves
Solar with 2 collector surfaces, 2 stor-
ages and 2 pumps
Solar with pool, storage and heat
exchanger
Solar with 3 storages and 3 pumps
Solar with 3 storages and 3 switching
valve
Solar with heat exchanger Solar with heat exchanger, two-zone
storage and valve
Solar with heat exchanger, 2 stor-
ages and valve
Solar with 2 collector surfaces, heat
exchanger and 3 pumps
Solar with 2 collector surfaces,
heat exchanger and 2 pumps
9