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thermostat location

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papa12603
papa12603 Member Posts: 13
edited January 2016 in Strictly Steam
I have a 13 units building. I have an hb smith gas steam boiler I am still to determent where to locate the thermostat for better efficiency. I have large and small size apts. Building is 3 floors high.

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  • hvacfreak2
    hvacfreak2 Member Posts: 500
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    The best location would be on an uninsulated outside wall.

    Just kidding !!!

    I would think that the best means of control would be a Heat Timer or similar control / strategy but I have not been involved with a similar application for a long time. But choosing 1 single location for a thermostat you would do just as well rolling dice or picking a location out of a hat. Furthest radiator , center of the building , no single choice is really right to represent the entire building. A better way might be to average an occupied unit on each floor. These sensors could be brought into a controller that would average 3 analog inputs and fire the boiler until a set point is reached along with some specifics for steam systems ( pid with some event limits ).
    hvacfreak

    Mechanical Enthusiast

    Burnham MST 396 , 60 oz gauge , Tigerloop , Firomatic Check Valve , Mcdonnell Miller 67 lwco , Danfoss RA2k TRV's

    Easyio FG20 Controller

  • Abracadabra
    Abracadabra Member Posts: 1,948
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    I wouldn't use a single thermostat. I've installed these with good success: http://www.rdcontrolsystems.com/steam-200-series.php
  • papa12603
    papa12603 Member Posts: 13
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    What is the cost of the rd control system? I cant find it in the site of the link! Thanks abracadabra and hvacfreak!
  • papa559
    papa559 Member Posts: 1
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    OK I got it sorry

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