WATER HEATING-SYSTEM Russian patent published in 2009 - IPC F24D10/00 

FIELD: heating.

SUBSTANCE: water heating-system consisting of hot and return pipes, pipe of air discharge, pipe of water discharge and complex of heating devices connected to each other hydrolically, installed on hot and return pipes one on each shut-off electric valves, as well as electronic control unit with system depressurisation sensors and two discharge electric valves and electric pump. Two discharge electric valves are installed, respectively, on hot and return pipes, after shut-off electric valves, outputs of discharge electric valves are connected to each other and to electric pump inlet, whose outlet is connected to sewage pipeline and electronic control unit contains system depressuarization sensors in form.

EFFECT: increase of rate of water discharge from water heating-system in case of its depressuarisation and increase of whole system reliability.

2 cl, 1 dwg