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post #191 of 216
Quote:
Originally Posted by windfire View Post
So, simply put, you have HC-300A in your CPU-only loop and are able to full stress your w3580 while the coolant temperature remains at 10C all the time? Is that it?)
Yes, basically. I do have a rad in the loop, but turn it off when I am cooling with the chiller and want to run below room temp.

Quote:
Originally Posted by windfire View Post
How long is the stress test (in minutes/hours)? I suppose the compressor of HC-300A was 'on' all the time? What are the maximum temperature for the cores? Give some numbers now and supply those pictures later.
(I am eager to see a couple pictures of your entire loop)
There is quite a bit of volume in the loop (2L plus) and probably 2 or 3C hysteresis built into the chiller. The chiller takes the loop down to target then switches off. It may take 15 mins to creep up 2 or 3 degrees in the 2L loop... depending on load... so the chiller doesn't cycle on-off-on too frequently.

I have attached some pics with temps. There is nothing special about this proc speed or vcore volts. I boot up at these settings then use an EVGA o/c utility to go higher after windows has booted.

Stock loop temp settles 2C above room temp at 26C, no load: Proc temps about 42C
Stock, after 153 seconds of wPrime 1024, loop temp has increased to 27.5C: Proc temps about 76C

Chiller set to 18C (18C loop temp): Proc temps about 29C
Chiller set to 18C, wPrime 1024: Proc temps about 64C

I think that is a VERY nice temp gain

FlashG



    
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post #192 of 216
Quote:
Originally Posted by FlashG View Post
I picked up a Hailea HC-300A. I had my loop temp down to 10C last night... running wPrime 32m. Got worried about condensation. Better go back and find that dew point calculation web site.

Not sure who makes the compressor... but it is quiet. Picked it up at an aquarium store on-line. VERY happy!!!

FlashG
Wait the compressor you got isn't the Hailea HC-300A? I'm confused... maybe a link to the compressor?
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post #193 of 216
Quote:
Originally Posted by FlashG View Post
Yes, basically. I do have a rad in the loop, but turn it off when I am cooling with the chiller and want to run below room temp.



There is quite a bit of volume in the loop (2L plus) and probably 2 or 3C hysteresis built into the chiller. The chiller takes the loop down to target then switches off. It may take 15 mins to creep up 2 or 3 degrees in the 2L loop... depending on load... so the chiller doesn't cycle on-off-on too frequently.

I have attached some pics with temps. There is nothing special about this proc speed or vcore volts. I boot up at these settings then use an EVGA o/c utility to go higher after windows has booted.

Stock loop temp settles 2C above room temp at 26C, no load: Proc temps about 42C
Stock, after 153 seconds of wPrime 1024, loop temp has increased to 27.5C: Proc temps about 76C

Chiller set to 18C (18C loop temp): Proc temps about 29C
Chiller set to 18C, wPrime 1024: Proc temps about 64C

I think that is a VERY nice temp gain

FlashG
I need some time to digest your data. :-)
In the meantime, would you please post a few pictures of your loop? I love to see how the components are connected, especially with the radiator and the chiller.
post #194 of 216
Quote:
Originally Posted by LarsMarkelson View Post
Wait the compressor you got isn't the Hailea HC-300A? I'm confused... maybe a link to the compressor?
Sorry Lars, I'm probably being a bit too specific. The Chiller is a Hailea HC300A, made in China... but I understand that a lot of these types of companies may source complex high-tech parts from overseas. Just like the capacitors in my EVGA mobo may be from Japan... the 'compressor' in this Chinese unit may be from another country. A lot of the REAL aquarium discussion boards talk about very specific types of comperssors... so in response to your q, I haven't opended up the unit to see the specific type of compressor, but the unit itself is a Hailea.

FlashG
ps - I did include a link in one of my previous posts
    
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post #195 of 216
Ah okay, I thought it was the Hailea + another thing. Makes sense, reminds me of RAM and Hyper/Elpida BBSE/MGH-E/etc.

Thanks for the info again. Sounds like an awesome build... do you have any plans to run the compressor 24/7?
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post #196 of 216
Quote:
Originally Posted by LarsMarkelson View Post
Ah okay, I thought it was the Hailea + another thing. Makes sense, reminds me of RAM and Hyper/Elpida BBSE/MGH-E/etc.

Thanks for the info again. Sounds like an awesome build... do you have any plans to run the compressor 24/7?
No plans to try and run 24/7. At most, I get to play with this one for a couple of hours a day. I have another rig for full-on gaming.


FlashG
ps - I see you got a new system in your sig. Sweet
    
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post #197 of 216
Quote:
Originally Posted by FlashG View Post
Yes, basically. I do have a rad in the loop, but turn it off when I am cooling with the chiller and want to run below room temp.

There is quite a bit of volume in the loop (2L plus) and probably 2 or 3C hysteresis built into the chiller. The chiller takes the loop down to target then switches off. It may take 15 mins to creep up 2 or 3 degrees in the 2L loop... depending on load... so the chiller doesn't cycle on-off-on too frequently.

I have attached some pics with temps. There is nothing special about this proc speed or vcore volts. I boot up at these settings then use an EVGA o/c utility to go higher after windows has booted.

Stock loop temp settles 2C above room temp at 26C, no load: Proc temps about 42C
Stock, after 153 seconds of wPrime 1024, loop temp has increased to 27.5C: Proc temps about 76C

Chiller set to 18C (18C loop temp): Proc temps about 29C
Chiller set to 18C, wPrime 1024: Proc temps about 64C

I think that is a VERY nice temp gain

FlashG
Q1: When you said you turned off the radiator, are you using a certain valve system to separate the radiator and the chiller (eg put them in a parallel layout) ? That is, when the chiller is turned on, coolant is completely shut off from going into the radiator and is channeled only through the chiller.

Q2: I suppose when you did the stress test, the chiller's compressor was 'on' during all those 166 seconds?
How do you know that those are the maximum core temperatures? I mean, if you prolong the test to say 5 or 10 minutes, would core temperatures rise from 64/65/62/62 ?
Perhaps you can use OCCT to do a stress test? An useful feature of OCCT is that it generates graphs over the whole period of testing. So you can observe whether the temperature is stablizing or still rising at the end of a certain test period.

Q3: In light cpu usage (eg surfing the net), how often does the compressor turn on? On-off cycle in minutes?
post #198 of 216
Quote:
Originally Posted by FlashG View Post
No plans to try and run 24/7. At most, I get to play with this one for a couple of hours a day. I have another rig for full-on gaming.


FlashG
ps - I see you got a new system in your sig. Sweet
Yes it is sweeeet

Still need to finish cleaning/re-organizing my room, then I'm going to attempt to enter air cooling nirvana... got Indigo Xtreme + NH-D14 waiting to be installed
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post #199 of 216
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post #200 of 216
Quote:
Originally Posted by windfire View Post
Q1: When you said you turned off the radiator, are you using a certain valve system to separate the radiator and the chiller (eg put them in a parallel layout) ? That is, when the chiller is turned on, coolant is completely shut off from going into the radiator and is channeled only through the chiller.?
Sorry, I meant I turn the rad fans off. Thought about changing the plumbing, but no need.... easier to turn off the fans.

Quote:
Originally Posted by windfire View Post
Q2: I suppose when you did the stress test, the chiller's compressor was 'on' during all those 166 seconds?
How do you know that those are the maximum core temperatures? I mean, if you prolong the test to say 5 or 10 minutes, would core temperatures rise from 64/65/62/62 ?
Perhaps you can use OCCT to do a stress test? An useful feature of OCCT is that it generates graphs over the whole period of testing. So you can observe whether the temperature is stablizing or still rising at the end of a certain test period.
Nope, the compressor was not on the whole time. The compressor cools the loop down to target (18C) then turns off. It only turns on again after the loop temp increases to about 20C. In one of my pics, I am pretty sure I showed the overall test results in a 1.5C loop temp increase... which means the chiller doesn't turn on again during the test. The load temps during this test stayed stable over the entire test. No real drift up...

I'll look at OCCT... but I am more than happy with RealTemp running in the background.

Quote:
Originally Posted by windfire View Post
Q3: In light cpu usage (eg surfing the net), how often does the compressor turn on? On-off cycle in minutes?
Under normal use (but I NEVER use this system normally!!!), the compressor cycles on/off after about 10 to 15 minutes.

FlashG
    
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