Hi All
I am in the process of designing a water cooler to supply drinking water in a labour camp of 1000 people. Condensing unit will be at an ambient of 35 to 50 degree C. Inner tank in 1.5 mm thick and outer tank in 0.8 mm thick stainless steel sheet respectively. Insulation is Injected polyurathene 700 mm thick. Evaporator coil should be wound around outer side of inner tank. The tank will be placed above ceiling in the dinig hall and has float valve controlled 2" diameter inlet pipe. Outlet is insulated 2" dia. pipe running 2 meter down and then connected to 4 no. water taps. Inlet water temperature may be as high as 60 Deg. C during summer here in the middle east.
My Questions are:-
1. How to calculate the hourly consumption/ person?
2. What should be the tank size?
3. Once hourly consumtion is got, is it enough to calculate the sensible heat to select the condensing unit.
4. How to size the evaporator coil (copper tube size and total length)

With thanks in advance
Regards
Rayin