[Splave]

I dont think there is anything really wrong with yours though, could maybe be a bit overcharged. Im not a phase doctor or have the knowledge in this field like buck but I did stay in a holiday in express last night

[FACE]

Originally Posted by Splave

I dont think there is anything really wrong with yours though, could maybe be a bit overcharged. Im not a phase doctor or have the knowledge in this field like buck but I did stay in a holiday in express last night

LOL ^^

Yeah I'm thinking so too. I should be getting a call soon in order to have my hand held through the procedure.... I feel like such a noob when it comes to this stuff. I was able to convert to sub-zero pot-style fairly easy....

On the plus side of things, the evap on the window unit isn't freezing up as bad, so that evens out...

Talked to Sdumper, and things are looking up... probe contact was a little off, and if the temps do not improve after it's redone then I'll bleed it for a second or two.... super nice guy....

[Buckeye]

Originally Posted by Splave

I dont think there is anything really wrong with yours though, could maybe be a bit overcharged. Im not a phase doctor or have the knowledge in this field like buck but I did stay in a holiday in express last night

That is what I suspect, over charged.

The problem is if you vent out any gas, which is bad to do without a reclaiming tank, and you take out to much you are SOL unless you have all the equipment to add back in gas.

Some other things that are looked at is Super Heat and pressure numbers.

Gas turns to liquid in the condensor, that happens because of temp and pressure. Its all a balancing act.

Its just imo but I think people get over concerned about unloaded temps, its more about how it handles under load.

Cold unloaded temps looks good, but that generally means it wont handle loads as well, revers is true also.

So what is needed is a good load tester to get the tune right, then slamp it on a CPU and see how it handles a live heat source to get things nailed down.


i also want to add that I am in no way trying to slam this unit or sdumper with any comments I have made.
I would suggest contacting scott and seeing what he says as he built the unit.

One thing I have learned is there are many different ways to do these things. I have also heard so many different stories about cap tube length, how to tune etc and many people do things different.

So just contact scott and see what he says first

[FACE]

Thanks Bill. So far so good.... idle Temps are at -41 and load is expected to stay around -38 to -40 with the probe mounted better.

I might just take the long way around bleeding it and touch the valve for 1/2 second and test until I hit the balance of superpi and wprime temps...

This way I will not have to worry about letting too much out.


Just as I type that, I realize that I left the insulation pulled back from the compressor end of the suction line... DOH.... I'll have to let it warm up and tape her up again... looks like gpu testing is taking a back seat for today. Unless I miraculously hit the magic load temps in a few hours....

[Witchdoctor]

Face....

Dude .... talk to Scott .. he built the thing before you do anything you are going to regret ...

Period

Like, the end

he should be able to tell you what the skinny is.

My guess is he charged it dead on balls in different temps than what you are at
This is just a guess and please talk to the builder before taking any action

Good luck bro ... don't sweat it man it will be right on soon enough and you will be benchin along

[Buckeye]

Sounds good man, gald you talked to scott

Things are different every where you go with these units, temps wise.
Example: Kals 2 stage cascade hit -111.7 here at my place, teh exact same unit with no changes what so ever at Kals place hit -106. Its because of pressure changes where he lives at and does not reflect anything other than that.

I am sure Scott did a fibe job of tunning it where he lives at, but at your place it might be a little over charged.

[FACE]

My last post was after talking to Scott.... Everything is cool... Even cooler once it's tuned right... He put me at ease, and didn't even laugh at my noob questions...

[Splave]

sdump is great in the customer service department

[FACE]

Originally Posted by Splave

sdump is great in the customer service department

Yes he is.. Really cool guy.

[FACE]

Ok. I tested with the 920 @ 4.8ghz to be on the safe side....

Idle temps (desktop/bios) it sits at -41
Loaded w/ a wprime1024 load she rises to -37

This is after 2hrs of fresh os installs. After I powered the pc off temps immediately fell to -42.

I want to move the probe again. the closer I can get it to where the cpu/head meet the better right?

I guess I needed to be patient... the compressor didn't get as hot as did before, and it didn't seem to have as much flood back with a better load put on it... Looks like this unit and I will get along just fine, since I would rather bench at 5+ghz anyway. I will test that tomorrow.

Pics as well