Arrangement for controlling heating system hot water output has ring line with switching relay or similar controlling switching element connecting over dimensioned pump to mains

摘要

The arrangement has a reservoir container associated with the heating boiler connected to a hot water output valve via a ring line (4) cont. an over dimensioned pump (7). The ring line has an associated switching relay (9) or similar controlling a switching element (8,14,15) that connects the hot water pump to the mains (11,12) via electric leads (14,15) and a relay contact (13).