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Author Topic: Elect fan Conversion  (Read 10705 times)

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Offline grumpygy

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Re: Elect fan Conversion
« Reply #30 on: June 25, 2011, 10:13:09 AM »
Quote from: sharpxmen on June 25, 2011, 10:02:28 AM
:roflol:

might as well wait another month, but I think there's a limit on paypal claims so look into that.

Yep I put 29 July so just sent him another.

Yes there is a 45 day limit on paypal Paid on 21 May added a few more days so I make sure I have time to file my claim.
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94 YJ, Cool Air intake, 19lb Inj, 4.0 Throttlebody with spacer,  31/10.50/15's

Offline jfrabat

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Re: Elect fan Conversion
« Reply #31 on: June 25, 2011, 09:16:50 PM »
Quote from: sharpxmen on June 25, 2011, 10:02:28 AM
:roflol:

might as well wait another month, but I think there's a limit on paypal claims so look into that.

You bring up a good point; I also paid for mine, but have yet to hear from him...  I'll check the dates and see what's going on here.  For all I know, the guy could have died or something!
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Offline Jeffy

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Re: Elect fan Conversion
« Reply #32 on: June 25, 2011, 09:37:05 PM »
Honestly, I don't know how someone can stay in business with zero contact of any sort.  There are only a few choices if you want a controller that has PWM but really it's not that crucial.
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Offline grumpygy

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Re: Elect fan Conversion
« Reply #33 on: June 25, 2011, 10:24:58 PM »
Quote from: Jeffy on June 25, 2011, 09:37:05 PM
Honestly, I don't know how someone can stay in business with zero contact of any sort.  There are only a few choices if you want a controller that has PWM but really it's not that crucial.

Didn't want to set it up with another if that one was coming in.  Like to do something just once if I can.  So will wait till I either get a refund or the controller.
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94 YJ, Cool Air intake, 19lb Inj, 4.0 Throttlebody with spacer,  31/10.50/15's

road2damascus

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Re: Elect fan Conversion
« Reply #34 on: June 26, 2011, 08:23:54 AM »
I have the 2 speed DC controller. It took just over a month and minimal contact. This was 1 1/2 years ago.
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Offline grumpygy

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Re: Elect fan Conversion
« Reply #35 on: June 26, 2011, 08:35:09 AM »
Quote from: road2damascus on June 26, 2011, 08:23:54 AM
I have the 2 speed DC controller. It took just over a month and minimal contact. This was 1 1/2 years ago.


As in none till it arrived.
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94 YJ, Cool Air intake, 19lb Inj, 4.0 Throttlebody with spacer,  31/10.50/15's

road2damascus

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Re: Elect fan Conversion
« Reply #36 on: June 26, 2011, 09:07:01 AM »
I can't remember. I went through all my old emails and could not find one to DC.
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Offline Jeffy

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Re: Elect fan Conversion
« Reply #37 on: June 26, 2011, 12:03:11 PM »
Quote from: road2damascus on June 26, 2011, 09:07:01 AM
I can't remember. I went through all my old emails and could not find one to DC.
He does not reply to emails at all.   I'd recommend waiting 30 days and then contest the payment.  He will have a few days to come back.

Oh, I heard that Flex-a-lite updated their variable controller, pn #31165.   It now has PWM technology.  It supports up to 45a which is low but should be fine for the low-speed circuit.

http://www.amazon.com/Flex-lite-31165-Variable-Control/dp/B000CNN3LS
« Last Edit: June 26, 2011, 12:03:45 PM by Jeffy »
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"If the motor car were invented today, there is absolutely no way that any government in the world would let normal members of the public drive one."

Offline grumpygy

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Re: Elect fan Conversion
« Reply #38 on: June 26, 2011, 02:27:29 PM »
Well I'm to late for the 30 Day mark that went by last week. :brick:

Was thinking of the Flex-a-lite and still use a larger relay for safety.  Just waiting on how this turns out.
« Last Edit: June 26, 2011, 02:28:56 PM by grumpygy »
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Offline jfrabat

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Re: Elect fan Conversion
« Reply #39 on: June 26, 2011, 02:31:52 PM »
In my case, I rather use the DCC one because it is all wired up; if I run the Flex-a-lite one, I would have to rewire everything...  Brian did respond to some of my mails on how to diagnose his controller, but since I purchased the new one, I have not heard back from him!
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'94 YJ 2.5L with 4" RE lift, Superwinch EPi9.0, FoMoCo e-Fan, SD30 and SD35 w/ARB-5.13, 165A alt., 33" BFG KM2 on 15" AR wheels, Sony sound system, Pavement Ends Hardtop, Hydroboost

Offline Jeffy

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Re: Elect fan Conversion
« Reply #40 on: June 26, 2011, 03:31:29 PM »
Quote from: grumpygy on June 26, 2011, 02:27:29 PM
Well I'm to late for the 30 Day mark that went by last week. :brick:

Was thinking of the Flex-a-lite and still use a larger relay for safety.  Just waiting on how this turns out.
With the Variable controller I don't think you run a relay.  It's all controlled in the black box.  You can't have PWM on the switch side of a relay.  It must be on the power side.

If you went with the adjustable thermostat then you would run a separate relay.  This is what I'm running now.  The fan is either on or off no PWM.

Quote from: jfrabat on June 26, 2011, 02:31:52 PM
In my case, I rather use the DCC one because it is all wired up; if I run the Flex-a-lite one, I would have to rewire everything...
It wouldn't be that hard to rewire it as you've run all the wires already.  You would just need to cut and reconnect to the new controller.
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My Jeep: http://4bangerjp.com/forums/index.php?topic=2783.0
"If the motor car were invented today, there is absolutely no way that any government in the world would let normal members of the public drive one."

Offline grumpygy

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Re: Elect fan Conversion
« Reply #41 on: June 26, 2011, 03:57:36 PM »
Quote
With the Variable controller I don't think you run a relay.

Thought about that right after I hit enter.
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94 YJ, Cool Air intake, 19lb Inj, 4.0 Throttlebody with spacer,  31/10.50/15's

Offline sharpxmen

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Re: Elect fan Conversion
« Reply #42 on: June 26, 2011, 04:36:12 PM »
Quote from: grumpygy on June 26, 2011, 03:57:36 PM
Thought about that right after I hit enter.

did you order the 2 speed or the variable speed one?
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Offline grumpygy

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Re: Elect fan Conversion
« Reply #43 on: June 26, 2011, 04:55:14 PM »
2 speed
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Offline sharpxmen

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Re: Elect fan Conversion
« Reply #44 on: June 26, 2011, 06:59:08 PM »
Quote from: grumpygy on June 26, 2011, 04:55:14 PM
2 speed

there are 2 relays on that one

I think i would like to make my own PWM controller - have done some research and the control portion can be done with a PIC microcontroller and an LM35 precision temp sensor. seems that you can get parts that will operate from -40C to +125C (+150C for the temp sensor) so that is a fair enough range i think for automotive use. there is a power (high amp side) portion to this which i didn't get into yet but that should be straight forward once i figure out the schematics and code. the nice thing about it is that with the microcontroller you can basically program whatever ramp-up ratio you want and also whatever temp to rpm ratio and the percentage increase can be variable as well (non-linear i mean). I would have to be re-written but they are cheap enough that i can have 3 or 4 that can be swapped out on the road. I would also want to have an ambient (outside) temp probe and have the fan speed based on that, like in the winter most likely shouldn't be running at all or low speed compared to summer when you need more airflow to get the same cooling effect. And i'm also thinking some additional inputs like oil temperature (if there is an oil cooler in front of the rad), inlet air temperature (for the forced induction so it will turn on to run air thru the intercooler at low travel speed) and some other things might come up (like A/C control if I ever get one installed which is not very likely, or manual OFF/FULL override mode)
I just need time to work on it...

will probably cost more in the end than buying one from this guy but the fact he didn't answer any of my emails makes me look somewhere else.

I don't like the spal one due to lack of features.
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'95 YJ, NSG370 6spd / Hurst shifter, Dana 300 + 4:1 Doubler / tri-stick, Custom skid, Super D35 / Auburn LSD / 4.88, 35x12.5x15 BFG KM2, 64mm t/b, 1.7 RollerRockers, MkVIII e-fan, Dual Diaph Booster
Latest: Corbeau BajaRS heated seats :dance: keeping warm the rear end
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