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Green Building Bible, Fourth Edition
Green Building Bible, fourth edition (both books)
These two books are the perfect starting place to help you get to grips with one of the most vitally important aspects of our society - our homes and living environment.

PLEASE NOTE: A download link for Volume 1 will be sent to you by email and Volume 2 will be sent to you by post as a book.
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Renewable Energy: PAW DrainBloc Solar Station

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    an20ew put me on to the PAW DrainBloc solar station for drainback systems. It has everything you need to connect a standard solar coil in a domestic hot water tank to drainback collectors. However, what is not clear from the installation guide is whether it is capable of controlling a changeover valve which connects to a secondary thermal store when the domestic hot water tank is fully charged. Is anyone able to throw any light on this? Is the SC2.8-DBC solar controller user guide available online?

    David
    • CommentAuthoran02ew
    • CommentTimeOct 2nd 2013
     
    Short answer is yes it can. Because we have done it on ours.

    Using the relay 2 setting to come in at a given temp. And send 100% of a signal to a valve to simple switch it to the other tank.

    Or at given temp relay 2 can supply a controlled power to a second pump to send heat away in a more controlled manet( can't see the need but there go nothing is ever simple)
  3.  
    Excellent. Thanks for the info.

    David

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