First watercooled SS by piotres

[piotres]

Hello

It's mine first liquidcooled SS . Very simple unit, medium size rotary compressor and plate HX (20 plates) . R507 freon .

Member of this forum ordered it because he got already in house chiller made from AC unit producing around +5C liquid . So can get a nice boost .

Specs :
Compressor:TECO KETC176ELBC-A
Evap: Steeper 40mm tall/42 mm diam., enclosure for all newest CPUs, 80 cm braided DN10 suction line (with stainless steel mesh)
XV: captube 0.9 mm
Condensor: plate HX (20 plates)
Refrigerant : R507
Case : Wooden baseplate, painted on red color
Safety : Johnson Controls hermetic cut-off (can be useful when coolant flow will be suddenly cut off)
Others: Two handles to comfortable move of unit, "quick" nipples for 12/16mm hoses



























I decided to mount quite nice working and looking "quick" nipples .







I always test it in +16C water (direct flow from instalation in house), owner told that he plan to use it with +5C water so that should give small temperature boost also .



First try.







Final unloaded (using +16*C coolant).



That was on 260W dummyload using +16*C coolant. Finally I've added bit more R507 for "safety" and temperature is like -44*C@260W after 1 hour test.













Best Regards
Peter

[sdumper]

I like your attention to detail Peter that build looks very nice.

Scott

[quintus]

Very nice build!!! thinking of doing something similar
What about the compressor, he doesnt have ventilation....

[piotres]

Very nice build!!! thinking of doing something similar
What about the compressor, he doesnt have ventilation....

Compressors works fine. Discharge pressure even loaded is close to 10 bara so it doesn't heat up too much .

[quintus]

Yes you are right, and the customer has the chilled 5c water! DAMN
Maybe a new freon is needed, or some mixed freons, close to the BP of r13b1.
http://en.wikipedia.org/wiki/Bromotrifluoromethane

[tiborrr]

Very cool build, Pieter! With this sort of subambient condensing, you may as well have used R-410A without any problems!

[gosmeyer]

Very nice, Boost indeed!

[Kylzer]

Wow that's HAWT

[Patrickclouds]

what copper pipes can you connect to this plate hx?

i have also two pieces of the same 20´s phx but they have only 4 of 12,5mm inlets to connect 12mm copper pipes.

are you using 15 or 16mm pipes for the water cycle?

[runmc]

Very nice work

[eva2000]

Nice... being a noob... what is the water actually cooling here ???

[piotres]

Nice... being a noob... what is the water actually cooling here ???

Water condense refrigerant (R507) in this system .

what copper pipes can you connect to this plate hx?

i have also two pieces of the same 20´s phx but they have only 4 of 12,5mm inlets to connect 12mm copper pipes.

are you using 15 or 16mm pipes for the water cycle?

Yes, I have 15mm OD cooper pipes in liquid loop . Strange Plate HXes You have bought :-O . On the other hand that's good because to cascade we don't need such big "reduction" of size.

Very cool build, Pieter! With this sort of subambient condensing, you may as well have used R-410A without any problems!

I know that, I've tried R410a but haven't notticed lower temps compared too R507 . That gas which is now in unit is even blend of some 410a with more 507.

[runmc]

Nice... being a noob... what is the water actually cooling here ???

The water loop replaces the condenser and fan like on a typical single stage.

[eva2000]

Ah i see ... sweet ... so what happens if for instance the water pump fails while unit is running ???

[billdavis]

how quiet will you box the compressor?

[runmc]

Ah i see ... sweet ... so what happens if for instance the water pump fails while unit is running ???

Chain reaction!!

Refrigerant stops condensing and the phase change process comes to a screeching halt.
Evaporator gets hot and in turn your $1500 Extreme cpu gets hot and sizzles.

[Patrickclouds]

the high pressure cut off switch will stop the unit. maybe you can also connect the power socket of the computer to the cut off switch.

[eva2000]

Chain reaction!!

Refrigerant stops condensing and the phase change process comes to a screeching halt.
Evaporator gets hot and in turn your $1500 Extreme cpu gets hot and sizzles.

ouch heh

the high pressure cut off switch will stop the unit. maybe you can also connect the power socket of the computer to the cut off switch.

i see so that's what it's for

[t800]

Chain reaction!!

Refrigerant stops condensing and the phase change process comes to a screeching halt.
Evaporator gets hot and in turn your $1500 Extreme cpu gets hot and sizzles.

Usually this will save your 1500$ cpu (mine has :P):



Besides has anyone got C2 series cpu burned anyways (due the internal heatprotection?)

[runmc]

I was being humorous with eva 2000 My guess is that he knows what happens when a cpu get too hot.

[kiwi]

Yep, nothing happens

Nice and clean build there

[jesperme]

Nice looking "simple" unit! Always great craftsmanship from you piotres

[piotres]

the high pressure cut off switch will stop the unit. maybe you can also connect the power socket of the computer to the cut off switch.

Well, Patrick - that's VERY GOOD idea !

[The Shooter]

On how much presure is that cut-off switch set piotres?

[tiborrr]

22bar(g)