Mag drive pump & 2 smaller air-cooled chillers?
First, can I use a magnetic drive pump and avoid seals altogether? And, if I can maintain a target flow rate, does a pump's higher pressure hurt performance (if so, what psi?)
Second, can I use 2 smaller air-cooled chillers connected in series counterflow to help keep the fan noise level down if a heat exchanger is mounted outside (in a neighborhood)? (Also, to increase scale in cooling capacity as more miners are added.)?
Question ID: 4121183 Status:
Open Jul 26, 2022 - 07:19 AM
Tank / System Design, Pressure Compensation
Jul 26, 2022 - 07:19 AM
Yes, magnetic-coupled pump/motor combination can be used. Any type of coupling can be used; mag coupled avoids the use of seals altogether. And, yes, small radiators can be "daisy-chained" in a series to provide more cooling performance. Keep in mind that connecting radiators in series increases the flow resistance, and therefore the pump power requirements. Connecting radiators in parallel keeps the required pump pressure the same, but increases the flowrate required.
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