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08-17-2012, 08:59 PM
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#21
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Phat Phrog Stunt Team
Join Date: Aug 2011
Location: Iowa
Posts: 34,507
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I'm think mine will end up yonder yet to !
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08-18-2012, 07:30 AM
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#22
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Junior Member
Join Date: Mar 2012
Posts: 12
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We have the 18EC as well and live in Florida and haven't had any issues with the Fridge keeping food cool. You probably already power up the fridge a day before leaving for you destination, but if not this helped a lot. We did notice that the propane cools better than when on electric...not sure why?
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08-18-2012, 10:11 AM
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#23
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Senior Member
Join Date: Oct 2011
Location: Austin, Tx area
Posts: 126
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Quote:
Originally Posted by madelle
.............
We did notice that the propane cools better than when on electric...not sure why?
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One possibility: Perhaps propane provides more BTUs than
the electric heating element. More heat input = more ammonia
boiled = more cooling in fridge.
Propane definitely provides more heat for the water heater than
electric; wouldn't surprise me if the same is true for the fridge.
cheers,
johnd
__________________
2001 Cherokee CKT27X - 2005 Chev 3500
Sara, John & Crafty Canines - Coco and Cole
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Medical research shows that men have a "biological clock" too. The older we get, the greater the NEED to drive a TRUCK!
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08-18-2012, 10:55 AM
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#24
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Mod free 5er
Join Date: Mar 2008
Location: Concord, NC
Posts: 24,702
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Quote:
Originally Posted by f1100turbo
Yes they are at the bottom of vent.
I'm goin to play with placement as I go to see if I can get even better air flow .
Right now when fans are on I can suck a napkin up to the vent.
Ron
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I may try to mount my new 120mm fan(if it ever gets here) just below the vent cover on the roof. That way I will have one below blowing up and one on top blowing out and helping the lower fan. Depending on what I find, I might even make a shroud.
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08-19-2012, 04:51 PM
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#25
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Senior Member
Join Date: Feb 2012
Posts: 238
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Installed my radio shack 4 inch computer fan at the intake vent pointing up to the coils. Seems to move a pretty good amount of air to the top of the compartment. I could not find a 12 volt source that was switched with the refrigerator so I hooked to a constant hot and added a toggle switch. My thinking is I will turn the fan on when I turn the refrigerator on and off when I return home. I left the original temperature controlled fan just below the upper side vent as it was. I guess as it gets hotter that fan will turn on to assist. I can see how a top vent would let the heat escape much more efficiently.
Attaching the new fan was fun as they really don't give you much room to work in.
__________________
Mark and Joanne
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08-19-2012, 05:33 PM
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#26
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Senior Member
Join Date: Mar 2012
Location: Williston ND
Posts: 353
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What is wamer than you want as long as it isn't above 42 degrees or below 34 degrees all should be good. Ours runs right about 40 and everything is plenty cold, even the milk. This keeps the freezer right about 8 degrees.
__________________
 Dennis and Julie
2018 Wildcat 28SGX
2013 Chevy Silverado 2500HD
2012 Chevy Silverado 2500HD
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08-19-2012, 06:37 PM
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#27
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Site Team - Lou
Join Date: Oct 2009
Location: South Eastern PA
Posts: 23,269
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Quote:
Originally Posted by f1100turbo
Best place to install would be to take roof cover off and instal in vent stack .
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Yup. That is where my fan booster is going.
The solar powered fans are on my "To Buy" list.
The only mod I want to do is to figure out a way to only power the fans in sunlight and when the fridge is powered.
__________________
Lou & Freya the wonder dog
2008 GMC Sierra 3000HD Allison Duramax
2019 Flagstaff 8529FL
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08-19-2012, 10:30 PM
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#28
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Senior Member
Join Date: Nov 2011
Location: Kamloops,B.C. Canada
Posts: 170
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herk.
If you want to run the solar powered fans only when the fridge is on,then run the 12v fridge "on" to power a relay to switch the solar power to the fan.
09grizzly1
__________________
2012 Palomino Ultralite T245
2004 F250 Supercab 5.4L
09 Grizzly 700 EPS
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08-19-2012, 11:20 PM
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#29
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Member
Join Date: May 2012
Posts: 38
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Quote:
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Originally Posted by herk7769
Yup. That is where my fan booster is going.
The solar powered fans are on my "To Buy" list.
The only mod I want to do is to figure out a way to only power the fans in sunlight and when the fridge is powered.
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Shouldn't be to hard. Just run 12v fridge on power to a photo cell that pulls in a coil and powers your fan.
__________________
2012 Lacrosse 318BHS
07 Ford F-350 Super Duty
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08-20-2012, 06:27 AM
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#30
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Site Team - Lou
Join Date: Oct 2009
Location: South Eastern PA
Posts: 23,269
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Quote:
Originally Posted by 09grizzly1
herk.
If you want to run the solar powered fans only when the fridge is on,then run the 12v fridge "on" to power a relay to switch the solar power to the fan.
09grizzly1
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Maybe I am over thinking this.
It all depends on how noisy the solar fans are.
I don't want to hear a noisy fan at night.
Anyone have one installed?
__________________
Lou & Freya the wonder dog
2008 GMC Sierra 3000HD Allison Duramax
2019 Flagstaff 8529FL
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08-20-2012, 06:35 AM
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#31
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Phat Phrog Stunt Team
Join Date: Aug 2011
Location: Iowa
Posts: 34,507
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I've now removed the 120's and installed 2 80 mm fans in the ducting vent.
I found that there was a filler panel that I could remove and cut to fit the fans on it .
Now the fans are horizontal blowing air up the vent stack.
I'll take pics tonight
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08-20-2012, 09:53 AM
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#32
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Senior Member
Join Date: Oct 2010
Location: Chesapeake, Va
Posts: 938
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#####Please learn from my mistake####
I had a hard time cooling my fridge in July at Myrtle Beach so I bought a computer fan and installed it in the bottom blowing up. It made it worse, my fridge warmed up even more and we had to throw everything away. Those bottom coils have to get hot for the fridge to work. All your trying to do with the fan is assist the chiminey effect to remove heat. The coils at the top are the ones that need heat removed. I since moved my fan to the top and it works great. I simply zip tied it to the top vent cover.
__________________
Jason and Billie
2018 F-250, 6.2L
2011 Prime Time Crusader 320RLT
"PT Crew Member Since 11/2010"
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08-20-2012, 02:15 PM
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#33
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Senior Member
Join Date: Nov 2011
Location: Kamloops,B.C. Canada
Posts: 170
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herk.
The solar panel fans should not run at night as there is no sunlight to create power for the fans.The relay would only switch the power from the solar panel to the fans when the fridge is turned on.I'm assuming you are talking about the the solar panels that are on the fridge vent.
09grizzly1
__________________
2012 Palomino Ultralite T245
2004 F250 Supercab 5.4L
09 Grizzly 700 EPS
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08-20-2012, 04:03 PM
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#34
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Phat Phrog Stunt Team
Join Date: Aug 2011
Location: Iowa
Posts: 34,507
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Who has a pic of the factory mounting of a fan ?
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08-20-2012, 08:37 PM
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#35
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Phat Phrog Stunt Team
Join Date: Aug 2011
Location: Iowa
Posts: 34,507
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Anyone?
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08-20-2012, 09:17 PM
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#36
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Senior Member
Join Date: Apr 2012
Posts: 1,472
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Herk, if you go with solar fans you will want to put a toggle switch inline so you can shut them off when your trailer sits in the sun while NOT being used.
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08-21-2012, 06:36 AM
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#37
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Site Team - Lou
Join Date: Oct 2009
Location: South Eastern PA
Posts: 23,269
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Quote:
Originally Posted by bob213
Herk, if you go with solar fans you will want to put a toggle switch inline so you can shut them off when your trailer sits in the sun while NOT being used.
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I knew I was "over thinking" this.
I was trying to make it automatic using a feed from the "run" DC line to power a relay to feed an inverted output photocell to power on the solar fans.
First off, the solar fans won't run at night anyway!  (VERY embarrassed.)
Second, the relay will work (there are several cheap ones) but will increase battery drain by the amperage draw of the relay. (only a few milliamps buy I am trying to avoid battery drain at all.
A manual switch solves everything.
NASA invents the "Space Pen" at a cost of a million dollars.
Russia uses pencils.
__________________
Lou & Freya the wonder dog
2008 GMC Sierra 3000HD Allison Duramax
2019 Flagstaff 8529FL
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08-21-2012, 06:38 AM
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#38
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Phat Phrog Stunt Team
Join Date: Aug 2011
Location: Iowa
Posts: 34,507
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Quote:
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Originally Posted by herk7769
I knew I was "over thinking" this.
I was trying to make it automatic using a feed from the "run" DC line to power a relay to feed an inverted output photocell to power on the solar fans.
First off, the solar fans won't run at night anyway! (VERY embarrassed.)
Second, the relay will work (there are several cheap ones) but will increase battery drain by the amperage draw of the relay. (only a few milliamps buy I am trying to avoid battery drain at all.
A manual switch solves everything.
NASA invents the "Space Pen" at a cost of a million dollars.
Russia uses pencils. |
What is the amp draw on your fans ?
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08-21-2012, 06:45 AM
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#39
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Site Team - Lou
Join Date: Oct 2009
Location: South Eastern PA
Posts: 23,269
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Quote:
Originally Posted by f1100turbo
What is the amp draw on your fans ?
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Zero. Solar powered by integrated solar cells.
__________________
Lou & Freya the wonder dog
2008 GMC Sierra 3000HD Allison Duramax
2019 Flagstaff 8529FL
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08-21-2012, 07:06 AM
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#40
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Phat Phrog Stunt Team
Join Date: Aug 2011
Location: Iowa
Posts: 34,507
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Quote:
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Originally Posted by herk7769
Zero. Solar powered by integrated solar cells.
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Lol was supplying you a duh moment !
He he he he.
Kinda like when you u joint goes out of your truck and the driveshaft is laying on the ground but u still put it in park !
I was messing with ya.!
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