Question about Coleman Electric Cooler 40 Beverage Cooler
Which direction should the fan blow the air - should it be exhausting off the heat sink or blowing downward. I have ice building up inside the cooler. The cooler is new but I had fan fan blades break so I replace the fan with a 12 v brushless fan and now have this ice problem. The frig stays 20 degrees cooler than outside temp, but is building ice.
The fan should blow air into the heat sink. The warm air exits the
heat sink at both ends. (It might work the other way, haven't tried
When you have ice in your cooler, you know the thermo-electric element is working well--it's below freezing!
Ice builds up because there is water in the cooler. For example, in humid weather, you open the cooler, some humid air gets in, and the cooler temperature condenses the water. You have to empty this water, either by tipping the cooler, or using a sponge.
You can easily defrost the cooler by unplugging it for an hour or so. You know it's time to defrost when you hear the fan blades making a racket because they're hitting something--a thick buildup of ice.
Posted on Jun 13, 2009
I had a problem with ice build up also then discovered that the cooler fan needs room to breathe I moved objects out of its way then it worked great no more ice even with standing water in the bottom keep the inside motor clear. I also had a problem with the outside fan slowing down and not cooling, solution remove cover then remove fan from the backside pop out the blades with your thumb put a drop of oil in the hole where the fan shaft goes in works like new.
Posted on Feb 28, 2010
Any suggestions on how to wire it to the cooler?
Posted on Dec 18, 2009
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Aug 28, 2013 | E-Machines eMachines Desktop PC
The installation of a CPU fan horizontally to the plane of the motherboard is the most common installation orientation there is. Your options when installing your CPU fan are to blow cool air onto the heat sink or to pull cool air through the heat sink from the motherboard. Horizontal installations show negligible advantages in either installation direction. The differences in temperature usually vary by only 1 or 2 degrees Celsius. The main point to consider when installing a horizontal CPU fan is the location of the rear exhaust fan on the case. If the rear exhaust fan on the case is parallel to the processor, it is advantageous to have the fan pull cool air from the motherboard and push it out above the heat sink. This is because the case fan will quickly draw that hot air away from the CPU and out of the case, allowing for quick cooling.
Vertical, or tower, heat sinks rise high enough off the motherboard to allow for a fan to be installed perpendicular to the plane of the motherboard. This allows for cooling to go from the front to the back of the case, as opposed to going from the bottom to the top. Optimal installations for vertical heat sinks are blowing toward either the back or the top of the case. If there is no exhaust fan in the top face of your computer's case, it is more effective to orient your fan on your vertical heat sink so that it blows toward the rear exhaust fan of the case. If there is an exhaust fan on the top face of your computer case, it is almost always more effective to mount your CPU fan so that it blows air up toward the top of your case. The reasoning behind this is that hot air rises and will more naturally flow off the top of your case. Also, top-mounted fans are usually larger and allow for faster airflow out of the case.
It is often the case with nonstock heat sinks that the manufacturer has designed the heat sink's fan to be mounted in a limited number of orientations. This is usually evidenced by limited mounting notches on the heat sink itself. Most aftermarket heat sinks use technologies such as heat pipes that have specific cooling needs to operate appropriately. Because of this, it is important that in any CPU fan installation you follow the manufacturer's installation instructions.
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