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is there any change in the temperature when the water goes from the suction of a centrifugal pump to the discharge?

thank you all for your enlightening posts..sspeare.DAN HOLOHAN's book ''Pumping Away and other really cool piping options for hydronic systems''.is related to heating systems whereas i am concerned more with chilled systems.

what do we mean by the terms control philosophy, design philosophy and operation scheme?

whats the difference between a schematic and an as-built drawing? how and in what way does an asbuilt drawing help?

why are bypasses are even employed in chiller piping system?...i dont understand their purpose.please be simple in your answers..i am trying to understand HVAC

i am a recent graduate of mechanical engineering and i recently got a job in a international complex housing shopping malls and executive offices.i am deputed to a chiller plant room.though i know the basics of an absorption system,the very sight of a plant room seems too FRIGHTENING..all so...