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Recent content by glfrank

  1. glfrank

    Facility Design - Transformer Sizing

    Thanks for your reply, I misspoke before, I should check my notes before I write. Here is the actual data and we do have demand in kW: 2005 Demand kW = 1,187 (June); yearly total kWh = 7,413,982 2006 Demand kW = 1,016 (July); yearly total kWh = 7,206,440 2007 Demand kW = 1,004 (August); yearly...
  2. glfrank

    Facility Design - Transformer Sizing

    Hi all ... I am working on the design of a new facility being built in Asia and I want to check the estimate for the transformer size shown on the design drawings. We have a facility in the US with similar process loads and hours of operation and fortunately we have good energy usage records...
  3. glfrank

    diaphragm expansion tank

    In my experience, bladder style tanks should be located at the point of lowest pressure in the system, usually on the suction side of the system pump(s). The tanks I've used had specific instructions about locating the tank at the point of lowest system pressure. Also, an air separator or...
  4. glfrank

    Data Room Cooling - High Ceiling

    I've done computer rooms before and I generally agree with the comments already made. Also, consider the following: 1. I assume your talking about rack mount servers and drive arrays. 2. Since your supplying air from above it's critical to get the cool air to the right side of the boxes and the...

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