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Im looking for the calculation for finding gpm thru a plate heat exchanger for a 30 ton chiller

Ill have to say yes to all the above, I work for a college, I keep theses machines very well maintained. Trane ,York are contracted for certain things(i.e. winter maintenance on 400, 600 ton centrifugals) and the rest is up to me. Siemens provides our building automation.I also have some help...

Thanks for the advice, and info from both of you. Im in the research stages. I have my hands full with just getting these puppies and their towers ready for start up, once things settle down Im going to start looking at it more seriously. Thanks again .

Hello All, My workplace has 13 water cooled liquid chillers for A/C only my duties have changed and Im starting to dig into these machines a little deeper. Im looking for info either web sites or literature on setting them up a little better, no drastic moves just trying to feel my way around them.

thanks for the input Ill check out that site tonight. I will be back with input

O.K. thanks Im new here.

My work place has 13 water cooled liquid chillers for A/C only. Some are very old and not much engineering data is available.Id like to start checking some of the "deltas"and was wondering if there are sites with this type of info or not.Im in the researching mode and dont plan on changing Rome...

thanks I also use 1/2 inch braided hoses.I just wasnt sure of my rule of thumb calculations ,this is one of the biggest machines Ive worked on.We have bigger and with the prices of some of the bigger contractors my company is keeping a little more work in house.Thanks again for the input Ill...

Ill be pulling a vacuum on a 240 ton self contained chiller, it has two circuts. My rule of thumb in the past has been 1 cfm per 7 tons of cooling. Looking at the physical size of the expansion valves this could be a 1/3-2/3 set up.IF my rule of thumb is correct, two 10 cfm pumps should be big...