| 摘要 |
The system has a by-pass channel (16) provided with a valve system (19), normally closed, for interception of a by-pass flow of hot water between a hot water flow entry conduit (12) and a mixed water sending conduit (15), and a valve system (22) normally closed, for interception of a by-pass flow of cold water in a cold water entry conduit (13). A connecting rod (25) and a control actuator (26) are actively connected to the valve systems and simultaneously and respectively opening and closing of the valve systems in a controlled manner during disinfection phase against legionella bacteria. |
