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(Solved): Appendix 2: HVAC water pipe capacities c) A 400 RT chiller is used to serve 20 equally sized air h ...
Appendix 2: HVAC water pipe capacities c) A 400 RT chiller is used to serve 20 equally sized air handling units (AHU) in 2 separate buildings as shown in Figure Q3c. The total pump head is 250 feet and the temperature difference between the chilled water supply and return is designed at
10\deg F. Determine: i) the pipe diameter for section
{i}to
{iii}, ii) the size for chilled water pump if the efficiency is
80%, and iii) the saving in chilled water pump capacity if higher chilled water temperature difference is used. Show your calculation using any 2 temperature difference figures. (15 marks)
