Does anyone know why CHW control valves of Liebert CRAC units are always installed on the supply CHW piping? They are typically A-Frame coils used. This has been common for what I've been seeing in the field. I would think if a control valve is on the supply side the water would just trickle thru and not fill the coil with CHW. Anyone have an explanation?
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Liebert CHW Control Valves
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