Could be a workbench query, coolant in a cooling system

Channel Hopper

Channel Hopper

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I have a PC on the bench from a customer, that shuuts down periodically. Its really nothing special except it has a Corsair liquid coolng system intalled. No overclocking and they are not playing games. The thermal contact looks fine though I have stripped the CPU and heatsink and checked for warpng, cleaned up the copper with some fine grade emery before applying the usual off white muck to the shiny surfaces.

The liquid cooling system is similar to the H60 but not quite, model number starts 806 rather than 906.

I've looked at the Corsair site, signed up (which does absolutely nothing), and searched the forums but there is nothing on the coolant requirement, which I suspect is low , if not contaminated based on the date of manufacture.

So, is the stuff in the tubes and radiator just water or something a bit more advanced ? Distilled water perhaps ?

Does the system follow any pressurised formula as per motor vehicles and if so, what or where is the venting system in case of any issues ?

Thanks in advance
 
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moonbase

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You could try the system with the stock cooling fan or an aftermarket fan type cooler on the CPU to see if the PC shuts down. If it does not then you know it is the Corsair AIO.

It sounds like it might be a Corsair H80 or H80i AIO and they do not have a venting system apart from pulling one of the black rubber hoses away from the radiator or the CPU block.
 
Channel Hopper

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It's an i7 processor on the motherboard, I don't have a stock air cooled radiator that would fit.

The only other water cooled system I have encountered before now had a clear reservoir and the liquid inside was bright green. It was a long time ago.
 
Terryl

Terryl

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I use this stuff, and my water cooled server has been on line since 2005 without any type of overheating problems.


The green coloring makes it easier to see the coolant level through the flow/level indicator, it also has a UV indicator for black lighting, this makes it easier to find any possible leaks in the system, and the system is not pressurized like in a car radiator system, a little pressure on the output of the pump to get the fluid through the system.

Mine has a dual radiator daisy chained setup with forced air, using some very very quiet fans doing the cooling job.

The pump sucks the fluid from the reservoir, then through the CPU cooler and back through the radiators out and up to the reservoir, CPU temps run at about 32 to 35 degrees all year long.

I used all clear hoses, the spiral looking stuff keeps the hose from kinking, keeps things looks good.
123496
123497

The pump, radiators, fans, flow indicator and reservoir are mounted on top in another case.
 
Channel Hopper

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Thanks. Will look at draining out the existing fluid tonight, flush and measure the capacity before a refill with new stuff.

It is strange that Corsair mention nothing about topping up or replacing anywhere on their site. They are certainly more interested in promoting the bells and whistles kit, which for some reason have flashing LEDs everywhere. If I was a dedicated overclocker/gamer, energy sucking distractions would be the last thing to include.

 
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moonbase

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... They are certainly more interested in promoting the bells and whistles kit, which for some reason have flashing LEDs everywhere. If I was a dedicated overclocker/gamer, energy sucking distractions would be the last thing to include.

I would guess that dedicated overclockers and gamers would ensure that they have a powerful PSU in their system due to graphics card requirements and possibly water pumping equipment for enhanced cooling. The power draw for a few flashing LED's will be a negligible factor.

If you need a spare Corsair H80 AIO unit or another make/model I have several here, some new and boxed, others used and boxed. You are welcome to borrow one for testing if you wish?
 
Terryl

Terryl

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I used a 750 watt PSU from Thermaltake, as the server has 4 - 2 TB hard drives with their own cooling fans, plenty of power to run everything.

Everything is rack mounted on slides for easy access.

You can get crazy with water cooling stuff, you can get water cooled power supply's, water cooling jackets for the hard drives, water cooling for the ram, water cooling for the video cards or chip set, and all sorts of different things to go in-line with the water lines, you can display the in and out temps and all sorts of other things.

It all depends on the heat load on the system, that would determine the size of the water cooling setup.
 
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Terryl

Terryl

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My Satellite Setup
OpenBox X5 on a 1 meter motorized dish.
And now a 10 foot "C" band dish.

Custom built PC
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Deep in the Boonies in the central Sierra Nevada mountains of California.
Thanks. Will look at draining out the existing fluid tonight, flush and measure the capacity before a refill with new stuff.

It is strange that Corsair mention nothing about topping up or replacing anywhere on their site. They are certainly more interested in promoting the bells and whistles kit, which for some reason have flashing LEDs everywhere. If I was a dedicated overclocker/gamer, energy sucking distractions would be the last thing to include.

Wear rubber gloves as some of the died UV reactive water for the cooling system may stain your skin if you get it on you.
 
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