I've got it mostly sketched out... I forgot how the hell I did one small piece though... I'll finish it up tonight and post it tomorrow.
The symbols in the drawing are solenoid valves labeled "V1-V6 and Fill-Chill, there is no need for plumbing disconnects as plumbing stays connected all the time. The HLT is filled with strike water, and when at temp it is transfered by P-1, then it is refilled with sparge water and reheated. If you want to do RIMS or HERMS just install heater after P-1. When sparging pump P-1 moves sparge water into MLT and pump P-2 moves wort to boil kettle. Save your self some extra work and go for the hurricane burners jetted for natural gas, the 32 tip burners are way to big to use as is. With NG/low pressure LP you can use 24V furnace valves for burner control with standing pilot and thermocouple for flame safety. The adjustable flow valves are quite expensive and usually not needed in this application, and require additional hardware and control signals to work.
Have you determined what control hardware you are going to use to control your system, and how you are going to interface it.
Looking good. Couple of questions. Why does the inlet in the HLT open at the bottom of the kettle? This seems counterproductive during the cooling stage, since most of the HX coil is above this point. In step 7, do you plan of recircing the boiling wort through the HX before adding the water and ice? As joe camel stated it wont sanitize the HX after the cooling water ha been added.
. We are studying your pictures as well as the ones kladue posted and hopefully we will be able to combine both concepts along with our current one and see if we cant figure out a no-change, or maybe a 1 change system.
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