Apv 12-12 ???

pickledlsd

Member
I used 5 connection wago connectors and wired 4 fans to one. Simply hook all the positives from each fan and the positive from the apv to one connector, and all the negatives to the other. This is running them parallel and splits the current but everything stays at 12v from what I understand. I could be wrong but this is how mine are running.
 
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AquariusPanta

Well-Known Member
@BST

The best approach to powering fans for our cobs is to run them in parallel with one another from a power source, which in your case is a MeanWell APV-12-12. The APV-12-12 will offer 12V/1A or 12W to play with. By running your fans in parallel, you get the benefit of running them each at 12V, all the while sharing the 1A. This is a good thing as many computer fans, like 120mm, run best at 12V rather than 5V and typically consume ~200mA at 12V. This means that if you have three fans running at 12V/200mA each and their powered by the APV-12-12, you have around 400mA left to spare. It's ok and typically a good thing to leave ~100mA of spare current in the case that some run a little higher than the others.

If your fans are truly 2W a piece at 12V, ~167mA, then you could theoretically run 5~6 of those same fans off of one APV-12-12. Six would be pushing it, five would be just fine.
 

sanjuan

Well-Known Member
APV 12-12 is rated up to one amp. A 2W fan @ 12V draws about 0.17 amps. 1A / 0.17A = 5.88 so it looks like you could run five fans for sure.

As pickledlsd says, the fans are connected in parallel.

Edit: what AP said.
 

BST

Active Member
@BST

The best approach to powering fans for our cobs is to run them in parallel with one another from a power source, which in your case is a MeanWell APV-12-12. The APV-12-12 will offer 12V/1A or 12W to play with. By running your fans in parallel, you get the benefit of running them each at 12V, all the while sharing the 1A. This is a good thing as many computer fans, like 120mm, run best at 12V rather than 5V and typically consume ~200mA at 12V. This means that if you have three fans running at 12V/200mA each and their powered by the APV-12-12, you have around 400mA left to spare. It's ok and typically a good thing to leave ~100mA of spare current in the case that some run a little higher than the others.

If your fans are truly 2W a piece at 12V, ~167mA, then you could theoretically run 5~6 of those same fans off of one APV-12-12. Six would be pushing it, five would be just fine.
What's the ble and Brown wire?
 

AquariusPanta

Well-Known Member
Should be the wires that will essentially connect to wall. Those bring in 120/240VAC into the driver and the driver spits out a reduced potential of 12V, as anything higher would ruin the circuitry of the proposed fan.

The brown wire is the positive (+), while the blue wire is the negative (-). The best way of remembering is to think that red blood (positive) eventually turns brown and black (negative) accompanies blue.
 

Airwalker16

Well-Known Member
What's the ble and Brown wire?
Blue and brown are positive and negative that you'll wire into your wall plugs same wires. Usually white and brown. You need to either
A. Look at your fans box and see what amperage of current is required to run them.
Or...
B. If you have no box, look the data online so you know FOR sure. This determines how many fans you can use on the apv12-12.
For instance, I used 140mm fans. NOT MUCH bigger than your 120's, BUT they need 0.5/half an amp of current. Therefore, for my 4 fans, I required 2 separate apv's, each running 2 fans in parallel. Here's a pic of my fans box. Hope this helps buddy.
20160208_114223.jpg 20160212_220506.jpg 20160212_220151.jpg 20160218_052553.jpg
 
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