<div dir="ltr"><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">I have 2 zones on top each other but there is no ceiling touching them so i did the 2 touching surfaces as virtual surfaces.The problem is I dont know how to couple them together as when i heat the upper zone it is not effecting the temperature of the lower zone. When i press couple on the TRN build it just shows up the airnode window.<br></div><div dir="ltr"><div><br></div><div>Regards</div><div>Michele Vella</div></div>
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