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  • Users: xpsboy
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  1. xpsboy

    Spill Air definition & design

    My boss told me to consider "spill air" when designing AHU...please educate me how to design spill air. Thank you in advance.
  2. xpsboy

    Sizing pump head

    What refernce are you using for fittings equivalent lenght? Also do I consider each valves when calculating the total head? Pipe lenght, fittings, coil press drop, valves (?) --- are this the information i need when do pump head? Thank you in advance.
  3. xpsboy

    air side economizer

    Anybody can help me where can I found good reference for air side economizer design and commissioning? Thank you.
  4. xpsboy

    Glycol water coil - GPM calc?

    Cooling Cap = density x water flow rate x delta T Or (Short cut) BTU/hr = 500 x GPM x dT 30% propylene, EAT: 10 LAT: 98.2 EWT: 170 LWT: 150 What will be the density value to get the GPM? Thank you in advance.
  5. xpsboy

    Duct and Pipe fittings loss

    Anybody can guide me where can I find the equivalent fitting loss for duct and pipe using ASHRAE handbook? I'm browsing my online access of ASHRAE handbook but can't find the tables for equivalent lenght. Also, when we do the total static pressure head I use % for getting the fitting pressure...
  6. xpsboy

    ceiling return plenum static pressure?

    How do you get the static pressure for ceiling return plenum when computing for the total static pressure of fan?

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