Sen Controls E813
The Sen Controls 813 is a din-rail mount Solar controller for a domestic water heating system. It is designed to be used as differential temperature controller to control a solar collector and maximum 2 storage tanks subject to the chosen operating mode.
The controller is able to control an auxiliary heating (boiler or electric) elements to provide supplementary heat. Users can program the required time schedule to automatically start-stop the auxiliary heating.
The unit provides 4 operating modes for users to choose from. A preventive measure is built in to prevent error from occurrence whilst in selecting the required operating mode. Graphic of each required mode that will be shown on the LCD of the unit is described in manual.