 Adjustable Temp Electric Fans, Need help finding a sensor--page 2 |
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| computers4kids |
 Jan 28 2014, 09:11 PM
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Love these little cars!  Group: Members Posts: 2,443 Joined: 11-June 05 From: Port Townsend, WA Member No.: 4,253 Region Association: None  |
Currently I have dual electric fans, each on their own relay, that both come on around 180 degrees. I would like to reduce the fan noise from both fans coming on at once since my system stays cool easily and both fans tend to be overkill. I was thinking about having one fan come on around 180 degrees and the other come on if the temperature raises 10 degrees or so above. Fans 1 and 2 would also shut themselves off once each one dips 10 degrees below their set temps.
I see Jegs sells a kit that appears to do just this for around $150 that would control both fans. http://www.jegs.com/i/Derale/259/16789/10002/-1 Another possibility, would be to let Fan 1 continue to come on at 180 using the temp sender Renegade supplied, disconnecting the Fan 2. Jegs also sells the same adjustable unit for a single fan for $83. I would connect Fan 2 using the single controller for half the price. http://www.jegs.com/i/Derale/259/16779/10002/-1 What are your thoughts?     |
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| computers4kids |
Feb 1 2014, 08:15 PM
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Love these little cars! Group: Members Posts: 2,443 Joined: 11-June 05 From: Port Townsend, WA Member No.: 4,253 Region Association: None |
I went ahead and totally rewired my dual electric fan setup using three relays and BigKat's diagram.
The only thing left to do is purchase a thermo switch to screw into my rod simpson radiator where their is an extra port that is capped at the top of the radiator. I brought the plug with me to my FLAPS and they couldn't figure out which one (application) that would screw in...GEEZ! I thought that would be the easy part. Any ideas how to source a 200 degree sensor that is the right size for my radiator? Attached image(s) 
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Posts in this topic
computers4kids Adjustable Temp Electric Fans Jan 28 2014, 09:11 PM
r_towle Look at the 944 setup.....junkyard maybe.
I believ... Jan 28 2014, 09:20 PM 76-914 Can you switch with ground? If so (and courtesy of... Jan 28 2014, 09:24 PM Bruce Hinds An easy way is to use two sensors. Use one for in... Jan 28 2014, 09:54 PM jimkelly cheaper would be to install a second temp sensor f... Jan 28 2014, 09:57 PM computers4kids Two sensors sound like a super simple way to accom... Jan 28 2014, 10:06 PM computers4kids Just read BigKat's setup. Since I have two si... Jan 28 2014, 10:27 PM
76-914
Just read BigKat's setup. Since I have two s... Jan 29 2014, 09:28 AM andys
Just read BigKat's setup. Since I have two ... Jan 29 2014, 11:08 AM jcd914 You could use something like the Audi/VW/Porsche 9... Jan 28 2014, 11:13 PM Bartlett 914 I would not use a sensor on the input. Only on the... Jan 29 2014, 11:20 AM mikesmith I recently installed a Painless F5 controller for ... Jan 29 2014, 03:30 PM 76-914
I recently installed a Painless F5 controller for... Jan 29 2014, 04:24 PM mikesmith
The PWM isn't entirely smooth, so now at a s... Jan 29 2014, 05:03 PM 76-914
[quote name='76-914' post='1990279' date='Ja... Jan 29 2014, 08:45 PM stugray Put both fans in series. They should run at half s... Jan 29 2014, 06:15 PM r_towle oh DUH....
My Eurovan has this.
Look for the temp... Jan 29 2014, 06:25 PM andys The circuit logic in BIGCAT83's schematic (how... Jan 29 2014, 07:36 PM computers4kids Lots of great information. OK. I'll run two ... Jan 29 2014, 09:07 PM Andyrew When I had my overheating problems (and still do..... Jan 29 2014, 10:40 PM jimkelly c1 and c2 represent sensors that when active creat... Jan 30 2014, 07:17 AM 76-914 Yes, c1 & c2 are grounds which when are contro... Jan 30 2014, 09:06 AM jimkelly thanks : )
back to graphic. Jan 30 2014, 09:22 AM Mike Bellis
Any ideas how to source a 200 degree sensor that ... Feb 1 2014, 09:32 PM |
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