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How to set priority for Dometic Hot Water on IBC VX 150

ChrisWilliams2
ChrisWilliams2 Member Posts: 31
in THE MAIN WALL
Sorry for a lot of posts today just trying to sort through this system. The remaining problem is I have that I have an indirect DHW tank running off the IBC VX150 and to the heat its just another zone but I noticed the thing was running and running and now I see why. The brains in the IBC are always economizing and reducing the boiler set temp,BUT my understanding is that the DHW call should trigger a full set temp. Instead the boiler temp is just a little higher than the tank instead of being 180 degrees. I see a sensor point labelled DHW but I wondered on an IBC how this can be accomplished? I dont care about satisfying the call first, I just want to make sure that the temp is the max high setting to ensure the DHW is satisfied in a reasonable amount of time. Sorry if I explained this badly.

Comments

  • Alan (California Radiant) Forbes
    Alan (California Radiant) Forbes Member Posts: 4,317
    edited November 2022
    That’s a question for IBC technical support at (844) 432-8422. 
    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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