DCD Heating Controller - The Facts - How does it use its intelligence?

How does it use its intelligence?

It examines your programmes and the heat sensors, which provide very accurate temperature information, and it then decides for itself how to meet your requirements.

It keeps a detailed history of performance, under varying operating conditions, which it uses intelligently to calculate Optimum Start switch-on times. Simultaneous demands for central heating and for water heating are taken into account.

The Optimum Start feature is extremely sophisticated. It will start warming up your home to get it to temperature for the time that you have programmed and, on very cold days, this can be up to four hours early. It separately optimises both central heating and hot water heating for all programmes for all days of the week. It does not simply apply yesterday's experience to today, but gives consistently high performance, even when the weather changes sharply by several degrees from one day to the next - see illustration below.

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