Story behind it, there are two large existing HX (HEX-1 & 2) and they want to add a another HX but its a completely unrelated HW loop as the existing pair. The grand idea, well we will just scab the new HX on the existing pair and put a two position 8" control valve on the new exchanger. So lets tap in after the existing 1/3 & 2/3 control valves serving the tandem HX. Existing valves control on HW loop A supply temp and the new two position valve will operate to HW loop B which is totally unrelated to to loop A.
- WOS ME HX Setup.jpg (143.47 KiB) Viewed 25192 times