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To PWM or not to PWM? - Page 2

post #11 of 15
The Phantom controller is just a simple 3 pin fan voltage reducing controller. Its no use for a PWM pump or fans.

A manual control D5 vario works just fine or the PWM version could be connected to your motherboard and controlled with the included software or speedfan.

Your PWM fans can be connected to the motherboard PWM headers with PWM splitter cables like these. The power comes straight from the PSU so there is no real limit to how many fans you can connect to a channel, as long as you connect it the right way.
http://www.akasa.com.tw/search.php?seed=AK-CB002
http://www.ekwb.com/shop/ek-cable-splitter-4-fan-pwm-extended.html

For the thermal sensors you can use water sensors or surface mount sensors.

http://www.performance-pcs.com/catalog/index.php?main_page=product_info&products_id=38182
http://www.performance-pcs.com/catalog/index.php?main_page=product_info&products_id=38400

You should be able to use these sensors or the motherboards built in sensors to control PWM fans speeds based on temperatures
Kusanagi
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Kusanagi
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post #12 of 15
Get pwm fans, use pwm splitter, plug the splitter into pwm header on mobo. Use speedfan and link fan duty cycle to temperature of your components (cpu, gpu, mobo, hdds, whatever you want to cool).

Very easy and very efficient in both accoustics and cooling, in idle you can go as low as 300rpm with some fans/mobos, under load you can set it to increase fan speed depending on temperature of your component.

Idk about pump though, it might need different speed than fans to work, better plug it into separate header.
post #13 of 15
911 Carrera
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911 Carrera
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post #14 of 15
Quote:
Originally Posted by lugal View Post

Get pwm fans, use pwm splitter, plug the splitter into pwm header on mobo. Use speedfan and link fan duty cycle to temperature of your components (cpu, gpu, mobo, hdds, whatever you want to cool).

Very easy and very efficient in both accoustics and cooling, in idle you can go as low as 300rpm with some fans/mobos, under load you can set it to increase fan speed depending on temperature of your component.

Idk about pump though, it might need different speed than fans to work, better plug it into separate header.

You don't mean 14 fans on splitters connected to the 2 PWM headers ? .... If he uses one for the pump ...that leaves 1 PWM header for 14 fans at 0.25 amps each or 3.5 running amps.....and that doesn't even account for inrush current at startup. Fan headers are typically rated at 1 amp.... top end (i.e Rampage) at 2 amps.

I have had boxes wind up on my work bench after used connected a 3rd fan to the air cooler..... blown fan header.....one of the reasons MoBo manufacturers started adding a 2nd CPU fan header.

I never did get an answer on Asus forums regarding how the 3 chassis fans work other than they are not independently controlled PWM.... I *think* the way they work is whatever input signal they get from CPU_1 .... that controls everything else.....my follow up question about controlling rad fans different from case fans and different from pump speed was not answered other than that if I wanted to control things separately, we should use the 3 OPT headers, each w/ their own thermistor.

If the pump is not controlled via PWM, I would venture to put 2 fans on CPU_1 and 2 and 2 fans on CHA_1 thru 3 for a total of 10....that leaves 4 fans .... for the channels that are tied to the thermistors.
Edited by JackNaylorPE - 11/24/13 at 8:55am
911 Carrera
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911 Carrera
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Hard DriveHard DriveOptical DriveCooling
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CoolingOSMonitorKeyboard
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post #15 of 15
Thread Starter 
Quote:
Originally Posted by Jakusonfire View Post

The Phantom controller is just a simple 3 pin fan voltage reducing controller. Its no use for a PWM pump or fans.

A manual control D5 vario works just fine or the PWM version could be connected to your motherboard and controlled with the included software or speedfan.

Your PWM fans can be connected to the motherboard PWM headers with PWM splitter cables like these. The power comes straight from the PSU so there is no real limit to how many fans you can connect to a channel, as long as you connect it the right way.
http://www.akasa.com.tw/search.php?seed=AK-CB002
http://www.ekwb.com/shop/ek-cable-splitter-4-fan-pwm-extended.html

For the thermal sensors you can use water sensors or surface mount sensors.

http://www.performance-pcs.com/catalog/index.php?main_page=product_info&products_id=38182
http://www.performance-pcs.com/catalog/index.php?main_page=product_info&products_id=38400

You should be able to use these sensors or the motherboards built in sensors to control PWM fans speeds based on temperatures

Thanks for dumbing it down for me. After reading up on the pump I'm getting, having a vario speed is fine, because the flow rate barely (were talking <1 degree) affects the teams, and having it on the lowest flow setting is quiet and efficient. As for the fans, in going to get non PWM and control them manually, as I'm playing for a fan controller.
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