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14. The digital controller DC12
The digital controller DC12 is able to control one hydraulic circuit on the solar system for example
a hot domestic water system, or a swimming pool heating system or a heating system. It cannot
control more than a single circuit, so that it cannot control an installation which heats water and a
swimming pool at the same time. The controller has been designed for universal multi-language
usage. The display contains a simple schematic of the hydraulic scheme which you have set up,
with the information of the operating mode and pre-set information of the temperatures or a
pump speed. The DC12 controller has some functions protected by password. A customer should
not be provided with the password because the customer may well program wrong settings which
might cause the solar heating system to misfunction. The values and settings on the DC12 are
divided into the three groups:
Operating modes•
Information•
Settings•
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