System for heating industrial thermal water, has controllable pump arranged in circulation line, electrical heating element arranged in heater arrangement with switches, and pump connected with steering control unit

摘要

The system (10) has a home network (11) providing temporarily electrical power to heat water. A hot water preparation plant (18) includes a heater arrangement (19) and a hot water tank (20), which are connected with each other by a circulation line (28). A controllable pump (29) is arranged in the circulation line. An electrical heating element (21-24) is arranged in the heater arrangement with switches (31-34). A pump is connected with a steering control unit (16). The home network is connected with a public electric power network (15). An independent claim is also included for a water heating method.