How to maximise chiller efficiency

Originally Posted by BarraCuda™

so the temperature difference is 27.8 - 27 = 0.8C?

What about the temperature of the high flow? btw how much L/hr is yr low and high flow? Using 0.5" or 3/4" pipe?

Forgot liao about the high flow. The pipe should be 1/2" and the flow now is 1400l/h and high is 2500l/h and 4000l/h. For 2500 and 4000 i try put got no different leh.