Pump for CL650

[KennethK]

Wat is the best flow rate for Resun CL650 chiller? Return height abt 2ft.

[May&Bruce]

Resun website says >1800 litres per hour. My experience with Resun CL450 and C0500 is that at least 2000 litres per hour is best.

[Travy]

I am using a dymax 2000. Working great.

[hammy]

using an extrema for cl280 , great for my tank too . if u estimate the head loss and pipe friction , the flow is just about there when it reach my chiller .

agree with may/bruce to use >2000l/hrs

[KennethK]

Oh okie thanks.

[Volitan]

May I know how do we guage if the chiller is optimised? Via cut-in/ cut-out time?

[May&Bruce]

yep, via cut in/cut out time, but I am not sure what is optimum. If cut in & cut out every few minutes then it is not optimum. Also if it is on for a l,ong time also obviously not optimum.

My chiller cuts in about every 30 minutes, for 5-10 mins every time. I think that is pretty reaosnable.