Time switch for a central-heating boiler

摘要

In the case of a time switch for a central-heating boiler, having an LCD display panel (A) and a keyboard (T), the display panel (A) has a linear 24-hour scale (1) and information characters (2) on the operating modes which are valid in each case. Changes which are desired in the program sequence can be implemented by means of keys (3-7). <IMAGE>