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Fan controller for 6 AP15s

post #1 of 11
Thread Starter 
6 in push/pull on a 420mm rad (still searching for "perfect" adapters). Suggestions? I don't think I need to worry about pull speed versus push speed, but unless I get a 6 channel piece of gear that can monitor 6 different fans I'm not sure I need to do that anyway. Or should I, in case I don't notice a dead/dying fan?

There's also the chassis (PC-A71F) fans to worry about, 2x140mm in front and 2x120mm in back.

Thanks
    
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post #2 of 11
How are you wanting to wire things, in terms of grouping etc.?

Are you wanting switches or potentiometers?

Lamptron makes both. I have their Fan-Atic controller which can handle 60W per channel across 5 channels. They also make the Hummer, which can handle 100W per channel across 5 channels.
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post #3 of 11
I really don't see how this is water cooling related?

This sub-forum shure gets junked up with useless/off-topic/off-subject threads
post #4 of 11
Try the FC-2
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It's TURBO TIME!
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post #5 of 11
Thread Starter 
Skripka: I'm not certain about grouping, that's one of the things I'm looking for information on. I'm sure it's not a crime against technology to group them all together. Starting power is 4-5w for AP-15s, sustained 1w. That's not a whole lot, but these aren't 3000RPM fans either. The problem is, since the power requirements are fairly low compared to the heavy duty controllers, I have a lot of choice.

nickbaldwin86: To address your concern over the signal:noise in this forum, this thread is quite relevant. Systems using radiators as part of their cooling systems usually require fans, which sometimes means that more fans are used in such a system than one that is purely air cooled. In this case, I'm asking for advice on whether to control or monitor each individual fan (6x1), or group by push or pull (2x3), or group them all together (1x6) -- and what fan controller is optimal for those scenarios.

cl04k3d: The FC-2 is on my short list. I've heard nothing but good things about it.
    
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post #6 of 11
Quote:
Originally Posted by Glacialis View Post
Skripka: I'm not certain about grouping, that's one of the things I'm looking for information on. I'm sure it's not a crime against technology to group them all together. Starting power is 4-5w for AP-15s, sustained 1w. That's not a whole lot, but these aren't 3000RPM fans either. The problem is, since the power requirements are fairly low compared to the heavy duty controllers, I have a lot of choice.
Odds are you'll simply want all 6 fans on the rad operating at the same speed-and the simplest way is to slave them all onto one channel. If you want all 6 on one control, the number of fan controller that can handle 30+W on one channel is pretty small. You can get 2x3-way 3pin splitters and 2x2-way splitters plus the fan controller and you're set.

The only other real sensible option (to me) is each push/pull pairing on its own channel.This way you'd use 3 channels for the rad, but would only need 3x2-way 3pin splitters.

Most dial-based controllers are in the sub-15W per channel range. There are several in the 30W+ per channel range and all those within my knowledge are Lamptrons. They're nice controllers that are well made-but the really-high wattage controllers are military-switches and not dials.


In any case, you don't want to cut the wattage figures close. The closer you are to max wattage/channel the harder the controller has to work at lower fan speeds (i.e. the controller gets hotter).
Edited by Skripka - 3/26/11 at 2:57pm
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post #7 of 11
im building watercooling and im new, putting severeal fans on one control is aggod idea one for pull oe for push.
best site so far ive seen
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post #8 of 11
Thread Starter 
Quote:
Originally Posted by Skripka View Post
Odds are you'll simply want all 6 fans on the rad operating at the same speed-and the simplest way is to slave them all onto one channel. If you want all 6 on one control, the number of fan controller that can handle 30+W on one channel is pretty small. You can get 2x3-way 3pin splitters and 2x2-way splitters plus the fan controller and you're set.
This is a pretty simple solution. Thanks.

Quote:
Originally Posted by Skripka View Post
The only other real sensible option (to me) is each push/pull pairing on its own channel.This way you'd use 3 channels for the rad, but would only need 3x2-way 3pin splitters.
Do you see any advantage to this?

Quote:
Originally Posted by Skripka View Post
Most dial-based controllers are in the sub-15W per channel range. There are several in the 30W+ per channel range and all those within my knowledge are Lamptrons. They're nice controllers that are well made-but the really-high wattage controllers are military-switches and not dials.
When you say "really high wattage", can you give an example of a controller in this range? I'm not sure what to look for.


Quote:
Originally Posted by Skripka View Post
In any case, you don't want to cut the wattage figures close. The closer you are to max wattage/channel the harder the controller has to work at lower fan speeds (i.e. the controller gets hotter).
I'll aim for 50-75% utilization.
Edited by Glacialis - 3/28/11 at 11:36am
    
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post #9 of 11
Quote:
Originally Posted by Glacialis View Post
This is a pretty simple solution. Thanks.


Do you see any advantage to this?

When you say "really high wattage", can you give an example of a controller in this range? I'm not sure what to look for.


I'll aim for 50-75% utilization.
High-really high wattage are things like the 60W/channel FanAtic or the 100W/channel Hummer

The only advantage had to having the push/pull slaved and not the entire array, is that with p/p you have more control over how loud things are versus cooling...with everything slaved you have fewer options in speed configurations...OTOH all slaved frees up other channels for other things than needing 1/2 of your fan controller just to play with your rad fans.
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post #10 of 11
A 30W fan controller would be fine for 50-75% utilization. Starting amperages will only affect you if you are planning to stall your fans all the time. Usually fan controllers are over designed with a factor of safety so going above the rated wattage might be fine for a split second when your fans are starting up. Also remember at starting amperages your voltage is usually pretty low so your total power consumed is going to be lower (closer to 2W for the AP15s).

Another set of controllers to look at are Sunbeam rheostats. On the newer ones you can link one or multiple channels to PWM control from the motherboard. The Sunbeam still handles the power delivery.

I can't vouch for the other Lamptron controllers, but I wasn't too impressed by my FC-6.
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