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Post by Deleted on Dec 2, 2020 21:08:57 GMT -5
Single stage is OK but would like to get cascade . I have never seen any advertised and although I have an AC ticket , just don't have the time or patience to build one . I have seen that the temp transfer to die isn't the best . Seem to lose a lot for some reason. |
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Post by Vinster on Dec 2, 2020 21:19:04 GMT -5
am I seeing that right.. you have two of them???
put them in series and it's a cascade. lol
Vin
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Post by Deleted on Dec 2, 2020 21:21:42 GMT -5
The other unit is a Koolance EXC 800 Chiller which I hardly use these days since the arrival of the phase change. Notice the 2 pipes on the block  |
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Post by Vinster on Dec 2, 2020 21:47:43 GMT -5
Gotcha, you can't get those anymore if I recall. I'm sure you'd get a decent amount for it.
Vin
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Post by Aleslammer on Dec 4, 2020 14:15:41 GMT -5
I've two of the Koolance chillers. last time I checked they are still selling them under special order, one of the ones I use needs to be serviced.
What's the gas in the SS?
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Post by zila1 on Dec 4, 2020 16:04:25 GMT -5
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Post by Bones on Dec 4, 2020 16:39:58 GMT -5
Turbo, let me see if Mythical can't give you some advice on this, he custom builds them and may have some good info for you.
He's in the HWbot discord if you just want to pop in and ask.
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Post by Vinster on Dec 4, 2020 16:48:34 GMT -5
I didn't know they still made them... but I guess once you're in this cooling bracket a SS is the way to go as I've seen some previously sell for $1500-$2000...
Vin
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Post by mythicaltech on Dec 4, 2020 16:49:34 GMT -5
There is no one currently building cascades for the general population. I on occasion will do them but I really do not have the infrastructure to be doing many cascades unless they want to pick it up. As for those single stages if I am not wrong they use around a 40mm spiral evap which is fine for some legacy benching but you will want a better evap design for modern chips. The koolance chillers do not really hold up to a proper custom chiller that costs around the same amount for something much much more powerful or something a lot less that is the equivalent power
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Post by mythicaltech on Dec 4, 2020 16:52:57 GMT -5
I didn't know they still made them... but I guess once you're in this cooling bracket a SS is the way to go as I've seen some previously sell for $1500-$2000...
Vin
Unless you are shipping across an ocean there is no reason for most single stages to cost 2k. Average cost for one built with all new parts is about 1k and then maybe a few hundred for shipping. But in my opinion there is little reason to go with a single stage unless you only do cpu overclocking and never ram or gpu as well or if you have deep pockets and want to go with a single stage and a chiller. I just finished building a dual compressor chiller a few days ago that held close to -30c at 1200w load for half an hour so 3x gpus and a cpu no problem. You may gain 10-15c colder temps with a single stage but you are going to be limited to cooling a single component |
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Post by mythicaltech on Dec 4, 2020 16:59:22 GMT -5
Single stage is OK but would like to get cascade . I have never seen any advertised and although I have an AC ticket , just don't have the time or patience to build one . I have seen that the temp transfer to die isn't the best . Seem to lose a lot for some reason. Now onto the million dollar question of how one actually gets a cascade in AU. You will not be able to buy one new that is out of the question almost 100% but there are some things going for you. First you live in a hot place so AC's are more common which is a good start. Second, last I checked you guys have some of the best gas suppliers around for specialty gasses so getting r170, 23 and 1150 would be easy. Onto the bad stuff, you can not legally make a cascade with the typical fist sage gas but there are some work arounds that are not hard to do if you are willing to get a bit creative. The hardest part by far for you is going to be sourcing some of the more specialty parts but lots can be made at home like an oil separator and expansion tank. Condenders can be hard to find outside of the EU but luckily there is a cheap way to do it, do a hybrid air and water cooled first stage and a water cooled second stage which will allow you to use the common 120mm condensers off aliexpress that have worldwide shipping. If you go the route of building one I am more than happy to help |
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Post by Deleted on Dec 12, 2020 19:16:56 GMT -5
The Koolance is actually a very good chiller . Build quality is second to none. It's small , very efficient and works . It should be possible to get to 20 below ambient .I see -5 on the block with room ambient around 15 to 20 (air con blasting because Western Australia gets very hot). The settings go down to -19 but can't see you getting it that cold. I have a stack of different blocks for CPU and GPU so can basically cool everything with it , including RAM . I mainly use it on the test bench but it looks pretty good when used in a case . See below with my HOF set up . When it's set this low , antifreeze is a essential  PS sorry about all the pics but I love cooling porn 
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Post by mythicaltech on Dec 13, 2020 17:04:01 GMT -5
Dec 12, 2020 19:16:56 GMT -5 Spit051261 said: The Koolance is actually a very good chiller . Build quality is second to none. It's small , very efficient and works . It is a nice chiller just quite expensive unfortunately for one that is decently powerful  |
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