impossible temps

paul_radford

paul_radford

paul_radford

Associate
Joined
5 Jul 2011
Posts
22
Location
Uk
Hi folks,

since installing watercooling (cpu only to start), im getting temps that seem impossible.

my system consists of:

Phobya dc12 - 220 pump / ek reservoir combo feeding,
zalman wb5+ cpu waterblock to,
swiftech mcr120 radiator,
returning to reservoir via a flow rate wheel

the radiator is cooled with 2 high rpm fans on each side (push / pull)

monitoring the temps, i have noticed the cpu being 1 - 2c less than the system temp, yet from what i have read, the case can be no lower than the ambiant temp and the cpu no lower than the case temp. Not that im complaining, just seems strange and contradictory. could this have something to do with airflow or maybe im getting false readings?
 
2011-07-15%2003.04.04.jpg

in this picture, the cpu is 1c lower than case, but i have seen it 2c lower..

as I said in my first post:
the case can be no lower than the ambiant temp
Click to expand...

the cpu no lower than the case temp
Click to expand...

yet the cpu reports as lower at times. sorry if my last post seemed confusing, it was late (nearly 4am) and i had worked for 13 hours...
 
Supposed to be 15c today, but indoors probebly more like 19/20c - so cpu temp is good. still confused about case temp. Also my gfx card seems lower than it was before liquid cooling -possibly as the cpu is no longer adding heat via air cooled heatsink. i have parts in shipping for cooling the card. i also see the ide drive is a fair bit hotter than the sata, so replacing it with another sata may be a cool idea, pardon the pun...
 
Yeah, thanks Reaper. im certainly not complaining. hehe.

This is my first liquid cooled build. Cash being what it is at present, this is a work in progress & liquid cooling is cpu only at present, though parts are on order for the gpu to bring its temp down.

ive also got tidy cables and put a lot of thought into getting optimal airflow around the case. since ive watercooled the cpu, i have noticed a slight drop in temp on my gpu - possibly because of the cpu being no longer air cooled and adding less heat to the system. either way, it seems my direction is good..

i also note that the ide hard drive is 10c more than the sata, so when i can afford, maybe looking at replacing the ide with a sata may be a cool idea, pardon the pun..
 
Thanks again Reaper...

i hope to get the parts i need for cooling the gpu early this week. im keen to see what will happen as im finding this build really interesting compared to previous air cooled builds.

the 2 hdd's are at the bottom front of the case, just behind a led lit 120mm intake fan, but is is possible that i may have placed the ide hdd in the middle of the fan where the dead zone is. i'll check for that tomorrow. im happy you said that now - cheers fella... ;)
 
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