2 tiers, one pump.

Thu Aug 04, 2016 10:12 pm

OK. I have a 3 tier system now that is all gravity feed. I'd love to drop a tier but am not figuring how to do that with one pump. What the hell am I missing?
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P.S. I can only afford one pump right now because the rest of my extra cash just went into my new magic surfboard!
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Re: 2 tiers, one pump.

Fri Aug 05, 2016 11:23 am

What currently are you using your pump for? Reciruclating, transferring wort or water?
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Re: 2 tiers, one pump.

Fri Aug 05, 2016 11:45 am

I have the HLT on a high tier & the MLT/kettle on the low tier. With one pump you can HERMS/RIMS during the mash, you can use the pump to move the wort from the MLT to the Kettle while gravity sparging, you can recirc/whirlpool & you can pump it out to your fermenter.
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Re: 2 tiers, one pump.

Fri Aug 05, 2016 2:06 pm

I use mine as a 2 tier often with 1 pump. I heat the strike water in the kettle, then pump that into the mash tun (which is a 10g cooler). After that has rested for a while and recirculated, I heat and pump the sparge water gently on top of the rest of it all the mash and sparge water is in the cooler (very stratified at that point). Then I just run the whole lot out until I have the right boil volume. I find that you get results very similar to fly sparging doing this but with a little efficiency hit. I certainly see a big gravity drop as I run it off from beginning to end.

If I'm sparging, I use 2 coolers on a 3 tier setup with 1 pump (I pump up to the 2nd cooler to hold the sparge water).

I hope that is useful is some vague way.
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Re: 2 tiers, one pump.

Fri Aug 05, 2016 3:16 pm

brewinhard wrote:What currently are you using your pump for? Reciruclating, transferring wort or water?

I don't have one but I am getting a chugger later today.
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Re: 2 tiers, one pump.

Fri Aug 05, 2016 3:18 pm

Ozwald wrote:I have the HLT on a high tier & the MLT/kettle on the low tier. With one pump you can HERMS/RIMS during the mash, you can use the pump to move the wort from the MLT to the Kettle while gravity sparging, you can recirc/whirlpool & you can pump it out to your fermenter.


That sounds like a good time but I'm not visualizing what that looks like.
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Re: 2 tiers, one pump.

Sat Aug 06, 2016 10:38 am

Sounds like he is using the one pump for many tasks. Suggesting that you might be able to as well.
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Re: 2 tiers, one pump.

Tue Aug 09, 2016 11:02 am

Yeah, a pump isn't just a single task sort of addition to your setup.

Image

That was taken many years ago. My stand was always in a constant state of evolution. Back then there weren't as many sources as there are now, so I just kept adjusting things as I went to make it work for me. The pump is behind the carboy. I set it up with 2 inputs & 2 outputs, just to make it easier to do that entire list of things previously mentioned. In this particular picture I'm running an immersion chiller, with the output going into the HLT to be used as cleaning water. The pump is recircing to/from the BK to make the chiller more efficient.

The 2 inputs are on the left side of the pump (carboy). One from the BK, one from the MLT. The 2 outputs go to the HERMS coil, which is built into the HLT (where you see the 2 hoses), and to the BK. The thermometer on the HLT is the output of the HLT itself, which can be hooked to the top of the MLT & gravity fed for sparging. The flow rate is controlled by a ball valve on the output. All other flow rates are controlled by the 2 independent outputs on the pump itself.

So when I start to brew I heat up my strike water in the MLT by an electronically controlled HERMS (using the pump to circulate). I kill it for a moment to dough in & then start the pump back up to maintain temp... and at the end to ramp/mash out. When it's time to sparge, the pump output gets changed so instead of the wort recircing back to the MLT, it gets sent over to the BK. The water from the HLT is then gravity fed to fly sparge while the wort is being pumped over. Once the boil is almost done, I start the pump again, pumping from the BK back into itself. It helps prevent scorching & sanitizes the pump/hoses that I'm going to use while cooling. Flame out, I use the pump on that same loop, as previously mentioned, to make the chiller more effective... essentially a whirlpool. Once I hit temp, the output then changes to the fermenter.

I do things a little differently these days - bigger system, CFC, auto-sparge, RIMS, etc., but the process is essentially the same.
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