nice going there, daimy068!!! hope to see the updated progress of ur setup in this thread real soon.
p.s. didn't know weisoon was selling his beckett, else wld hv gotten it b4 u did.
tank water enter/exit via pvc inlet/outlet thru a titanium coil. refrigerant flows via brass connectors inlet/outlet. the vast difference in temp will chill down ur water.
a cooling tower is a different thingy altogether. cooling towers r only for chilled water system...... effectively, it is working in the same principle as a condenser.