Recently had the maiden voyage with our new system. Electric HLT with HERMS. Propane fired BK.
My question is this. We did a protein rest at 122 that went beautifully after getting the strike water temp exactly where it needed to be with the HERMS. Then the recipe called for ramping to 154 over 15 minutes. This also went fine but once the 154 temp was reached we left the HERMS running to hold the temp steady. The temp of the wort entering the MT was right around 154, but the temp in the center of the MT crept up to 160. Any thoughts why this happened?
thanks
My question is this. We did a protein rest at 122 that went beautifully after getting the strike water temp exactly where it needed to be with the HERMS. Then the recipe called for ramping to 154 over 15 minutes. This also went fine but once the 154 temp was reached we left the HERMS running to hold the temp steady. The temp of the wort entering the MT was right around 154, but the temp in the center of the MT crept up to 160. Any thoughts why this happened?
thanks