Programmer

A programmer comprising a clock, at least one counter which receives periodically pulses originating in said clock, and a programming matrix on one side of which a first series of parallel conducting strips are provided, each of which is connected to a respective output of said counter and on the other side of which a second series of parallel conducting strips are provided, said second series of strips are non-conductively intersecting said first series being connected to a control circuit for at least one device, a respective aperture in said programming matrix at each non-conductive intersection of a conducting strip of the first series and a conducting strip of the second series for receiving a removable conductive pin which provides an electrical connection between said two sides of said matrix, and wherein each said conducting strip of said second series on said matrix is connected to an automatic control circuit associated with an electrical heating device constituting said at least one device or a group thereof whose power is controlled by an electronic switch as a function of set temperature and actual temperature measured by a sensor, said programming matrix making it possible to select, for each individual heating device or group thereof at any time, either a first NORMAL set temperature operation, or a second REDUCED set temperature operation depending on whether a given said contact pin is inserted or withdrawn at an intersection of said conducting strip of said first series corresponding to an hour in question and said conducting strip of said second series corresponding to said device in question, and including means of setting these two said set temperatures being provided for each said heating device.