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  • Users: kico
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  1. kico

    chiller sizing help

    Have you considered using an evaportative closed circuit cooler? Depending what the weather is in your area, you might be able to get 75F supply water to the degreaser.
  2. kico

    Elec. Transformer Heat Load

    you have received some good rule of thumbs. however, to get a feel for how good they are, you should look at transformer's literature and get actual heat rejected to space. most mfr provide this info in their catalogue.
  3. kico

    Sizing condensate drain lines

    Hi CME, My standard condensate drain detail has the following table, but I don't remember how I got these sizes: 0-20 tons 3/4" 21-40 tons 1" 41-90 tons 1-1/4" Also, you should be able to calculate the amount of moisture being condensed and then size the pipe based on...
  4. kico

    HHW boiler modulating burner control

    Heating hot water system has a boiler with modulating burner control and a 3-way valve on supply pipe to reset bldg supply water temp based on outside air. I have two questions: 1. My understanding is that the conventional way of controlling the burner,whether there is a 3-way valve or not...
  5. kico

    Pressure Independent Characterized Control Valve.

    Hello, at my previous job, 3-way valves were replaced with DeltaP valves on a central plant retrofit and they worked great to provide chilled water diversity since flow is not dependent on piping pressure differential.

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