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New Vitodens

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Alan (California Radiant) Forbes
Alan (California Radiant) Forbes Member Posts: 4,022
edited September 2018 in THE MAIN WALL
The new Vitodens 200 boilers have a new screen. Instead of the line drawing of a roof, there's a partial circle (see below). The temperature under the dome used to be the desired indoor temperature and did not change unless you make a change. The instruction manual says this temperature is the "Set Zone Circuit Temperature". Is this the target water temperature based on the heating curve?


8.33 lbs./gal. x 60 min./hr. x 20°ΔT = 10,000 BTU's/hour

Two btu per sq ft for degree difference for a slab

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