Had a strange one today. Was asked to look at a site with two 800kw chillers. System is open loop with a primary low loss header with secondary pumps feeding back into large tanks. The tanks are on ground level with the chillers about 8m above them. Primary pumps pull off the tanks and pump up to the chillers. Both the inlet and outlet water was in a vacuum? To me the tanks would always be above the chillers in this open loop style system. Just looking to see what others think?

Posted by jim clarke at 2021-03-08 21:42:31 UTC