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Will I fry my fan controller?

post #1 of 13
Thread Starter 
Hey guys,

So, I just bought two Gentle Typhoon AP-30s since I couldn't find the GT-15s anywhere. They should arrive in a day or two.

I planned to run them off my fan controller (see below, where I will link the fan controllers I have available for you) at first. Now, I'm having second thoughts.

It seems that the start-up current is 1.35A for the Gentle Typhoon (I *so wish* Frozen CPU would have listed that on the spec page, lol).

The two fan controllers I own are:

The Scythe lists its max ampere per channel as 1A, while the Lamptron doesn't really list anything that I can tell.

My question: Can I use my fan controller with these things? Or did I just spend ~$50 on fans that are not going to be usable? What will happen if I hook the fans up to my fan controllers?

Thanks very much for any replies.

EDIT TO ADD: Here is a link to the fan I just bought (AP-30): http://www.frozencpu.com/products/12...6Z6&mv_pc=1292
    
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post #2 of 13
The Lampron is 20W per channel, and each channel is 12 V. Useing ohms law, P = VI. I would assume the Lampron is 1.6 A per channel.

You might fry it. Likely it will work, but you will dramatically shorten the lifespan, and it might fail after a year or two.

Here is some ideas:

1.) Use a capacitor to help start up the fans. This will make them easier to start up. All big motors have a capacitor to start them.

2.) Go to radio shack and buy a bunch of parts to build your own fan controller from scratch. Adjustable voltage regulators are cheap ($1-$3). I could help you go down that path if you wanted.

3.) Find a different fan controller.

EDIT:http://www.newegg.com/Product/Produc...-075-_-Product

http://www.newegg.com/Product/Produc...-016-_-Product

http://www.newegg.com/Product/Produc...-074-_-Product

<-- These are all 30 watts per channel. At 12 volts that is 2.5A per channel.
Edited by crimsontears809739 - 4/4/11 at 7:37am
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post #3 of 13
Thread Starter 
Ok, wonderful. This is exactly the type of response I wanted, thank you sir.

My only question is, the Lamptron says it can put out 20W per channel.

So, using the power equation would that mean: Amps = (20W/chan) / (12 V/chan) = 1.67A per channel?

If that were the case (1.67A/chan) I'd imagine it would start up? Or maybe not?

Or am I doing that wrong? (I am not particularly skilled at electronics, hehe, hence why I am posting my question).
    
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post #4 of 13
Its 20W per channel, not 20W total.

Your completely fine as you as you only have one fan on each channel.

~1.6 amps max per channel.
    
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post #5 of 13
Quote:
Originally Posted by rmp459 View Post
Its 20W per channel, not 20W total.

Your completely fine as you as you only have one fan on each channel.

~1.6 amps max per channel.
Beat me to it.
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post #6 of 13
Quote:
Originally Posted by rmp459 View Post
Its 20W per channel, not 20W total.

Your completely fine as you as you only have one fan on each channel.

~1.6 amps max per channel.
^^^this exactly.

Don't daisy chain fans to a single connector and you're good to go.
post #7 of 13
Thread Starter 
Quote:
Originally Posted by mongoloid View Post
^^^this exactly.

Don't daisy chain fans to a single connector and you're good to go.
I'm too OCD to daisy chain. For some reason I can't stand having more than one component per connection. It drives me nuts. I hate not knowing exactly where each wire goes. I break my rule only for SATA power cables, since my PSU doesn't have enough cables to allow me to use 1 cable/device. I would if I could though.

Thanks everyone for their advice. I think my question has been answered well. I especially appreciate the "power equation," which helps calm my anxiety about blowing up fan controllers.

So, it seems that P=VI, thus I =P/V. Plugging in the Lamptrons specs: I = (20 W)/12V = 1.667A = I....

So I should be good to go...((crosses fingers.))
    
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post #8 of 13
Yeah, sorry i edited my post. I did the math wrong, then came back and fixed it a few minuites later....but forgot to change my answer.

Lampron will be fine. lol
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post #9 of 13
Not to thred jack but.... Im ordering a Rheosmart, 30a per channel. I have san ace 1011's.. dose anyone know if would it be to much for this controller to handle 2 fans per channel? I know nothing about the math behind this stuff...the equasions you posted look like greek to me
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post #10 of 13
Quote:
Originally Posted by KhaoticKomputing View Post
Not to thred jack but.... Im ordering a Rheosmart, 30a per channel. I have san ace 1011's.. dose anyone know if would it be to much for this controller to handle 2 fans per channel? I know nothing about the math behind this stuff...the equasions you posted look like greek to me
Running two fans per channel is fine.
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