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What is Pull exactly vs. exhaust

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January 16, 2014 10:39:15 AM

I don't get if pull config and exhaust mean the same thing. When people say to use the corsair h100i case fans (mine is sp120 QE) as a pull config, what do they mean and how is it done?

More about : pull exhaust

January 16, 2014 10:42:53 AM

Pull as in pulling in fresh not warm air in to your computer case. Exhaust means the fan is blowing out warm air from your case.
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January 16, 2014 10:46:16 AM

HeyyScott said:
Pull as in pulling in fresh not warm air in to your computer case. Exhaust means the fan is blowing out warm air from your case.


So pull means pulling the air from outside of the case? So the manufacturer sticker is facing downside?
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January 16, 2014 10:48:43 AM

Yes, pulling the air from outside and in to your case to keep it cool.
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January 16, 2014 11:06:19 AM

qkrzazzang said:
I don't get if pull config and exhaust mean the same thing. When people say to use the corsair h100i case fans (mine is sp120 QE) as a pull config, what do they mean and how is it done?


HeyyScott said:
Pull as in pulling in fresh not warm air in to your computer case. Exhaust means the fan is blowing out warm air from your case.


I don't think I'd necessarily describe it like that. You can have a radiator set up as either a push or a pull configuration (or both). Pull just means that the radiator is mounted on the front intake side of the fan, so the fan is 'pulling' air through the radiator. As opposed to the radiator being mounted to the output side of the fan where it would be 'pushing' air through the radiator. (Or you can have a fan on both sides of the radiator, one pushing one pulling, this is referred to a push/pull config). You could have a pull configuration set up both ways, to either be drawing cool air into the case (as heyyscott said) or turned around and have the same config exhausting air out of the case, just depending on the order and direction you mount the fan and radiator to the case wall.

Exhaust would just refer to the direction of the airflow from the fans mounted on the case. If it is blowing air from the inside of the case outward, it is exhaust. if it is blowing air from outside into the case it is intake.

So to answer the second part of your question, if your H100 mounts to the ceiling of your case and you want it in a pull config, you would:

mount the fans to the case so the air is blowing up and out of the case.
mount the radiator underneath the fans.

this is an example of a pull config being used as exhaust.

OR

mount the radiator to the ceiling of the case.
mount the fans to the bottom of the radiator so they are blowing downward into the case.

this is an example of a pull config being used as an intake.

Hope this helps!





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January 16, 2014 12:00:55 PM

universal remonster said:
qkrzazzang said:
I don't get if pull config and exhaust mean the same thing. When people say to use the corsair h100i case fans (mine is sp120 QE) as a pull config, what do they mean and how is it done?


HeyyScott said:
Pull as in pulling in fresh not warm air in to your computer case. Exhaust means the fan is blowing out warm air from your case.


I don't think I'd necessarily describe it like that. You can have a radiator set up as either a push or a pull configuration (or both). Pull just means that the radiator is mounted on the front intake side of the fan, so the fan is 'pulling' air through the radiator. As opposed to the radiator being mounted to the output side of the fan where it would be 'pushing' air through the radiator. (Or you can have a fan on both sides of the radiator, one pushing one pulling, this is referred to a push/pull config). You could have a pull configuration set up both ways, to either be drawing cool air into the case (as heyyscott said) or turned around and have the same config exhausting air out of the case, just depending on the order and direction you mount the fan and radiator to the case wall.

Exhaust would just refer to the direction of the airflow from the fans mounted on the case. If it is blowing air from the inside of the case outward, it is exhaust. if it is blowing air from outside into the case it is intake.

So to answer the second part of your question, if your H100 mounts to the ceiling of your case and you want it in a pull config, you would:

mount the fans to the case so the air is blowing up and out of the case.
mount the radiator underneath the fans.

this is an example of a pull config being used as exhaust.

OR

mount the radiator to the ceiling of the case.
mount the fans to the bottom of the radiator so they are blowing downward into the case.

this is an example of a pull config being used as an intake.

Hope this helps!






Thanks for the reply!
So which would be beneficial between using pull config as intake vs. exhaust?
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