08-30-2010, 08:46 PM
Join Date: Dec 2007
Location: Near San Francisco
| | Re: HOW to cool down 3 tanks with one chiller question.
Looks like you are mixing the water in the middle container. Do not mix hot and cold.
Looks like you are drilling the tanks to remove the hot water. Good. Then plumb it into the chiller. Keep each tank's plumbing separate. When the pipe leaves the chiller, pump it back into the tank. Exterior pump. The pump will determine the rate at which the water leaves that tank. Faster pump = more water filling the tank so more overflows.
Overflow via drilled holes flows through the chiller then dumps into a sump. (All the hot lines out of the tanks can be united before entering the chiller, but I would put a separate valve on each tanks' overflow, so if you ever need to shut it off you can) A single pump in the sump pumps chilled water into a manifold with valves. These valves control the rate at which water returns to each tank, and therefore how much water exits each tank. (Do not control this with the valve in the overflow) Make sure the pump is big enough! Submerged pump works here.