Fridge evaporator fan not working
Dominick Orlando
last year
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Comments (8)
dadoes
last yearDominick Orlando
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Dual Compressors? Dual Evaporators? Someone pls explain these
Comments (16)The problem with explaining how refrigerators and freezers work is that an even barely sufficient explanation requires knowledge of rudimentary thermodynamics. An insufficient explanation might go like this: Electricity drives a motor that pumps a fluid through the refrigeration plumbing. This fluid, which typically is a gas at room temperature and pressure, has the property that when compressed it gets hot, and when expanded, it gets cold. (This is true of all gases per the Ideal Gas Law.) If the cold gas (now a liquid) is put into contact with a warm surface and allowed to expand to its gaseous form, it absorbs a lot of heat from the surface. When this gas is further pumped and compressed, and then subjected to a surface cooler than it is, it gives up its heat and condenses back to a liquid that is warmer than the exterior ambient. However, when later in the loop expended back to a gas, it gets colder than the interior air and can thus cool it. The expansion part occurs in an expander, and the condensation part occurs in a condenser. The condenser in your refrigerator, like the condenser in your car air conditioning, is a radiator that moves heat to the air. The expander in your refrigerator, like the expander in your car air conditioning (usually buried in ducting and less easy to see) is a radiator operating in reverse by absorbing heat from the air passing through it. The efficiency of this heat transfer loop is mainly determined by three processes: the efficiency of the thermodynamic cycle being used by the system, the motor electrical to work efficiency, and losses from friction moving the gas around. The thermodynamic process prohibits attempts to get something from nothing, or even break even (no perpetual motion machines; no free work). In principle, two separate systems, one for the refrigerator and one for the freezer can be sized and optimized for each such that the total power used in some standard environment is not greater than that used from a freezer only single system that controls the rate of cold air moved to a refrigerator. It could with careful tuning be more efficient. Analyzing such systems is fairly complex and specialized, and designing and building prototype optimal ones (for aerospace applications say) can cost millions of dollars. For residential units, some standardization is expected in selection of compressors, condensers, and expanders such that the last erg of energy savings is not going to be met. One expects for residential units that the efficiency will be as noted on the sticker for some environment, and the buyer has to determine whether differences in electricity cost, differences in purchase cost, and differences in other features make the purchase worthwhile. kas...See MoreLooking for quiet portable evaporative cooler
Comments (2)we have one and it works well. We use it inside as well as outside on the deck. They work great in dry areas. We have no A/C. When we get the house warm enough, we also use it in the winter with our wood stove. below is the one we have. Here is a link that might be useful: ecaporative air cooler...See More596.79322010 Kenmore French Door bottom mount - Replaced lower evapor
Comments (0)Already paid an arm and leg and really want to fix this Started with warm refrigerator - both freezer and fridge. Tech came and after a weeks wait - replaced the lower evaporator coil assembly Since then fridge only held temperature for couple of days. - Tech refilled gas, but again back to not holding temperature. - Still cools but Freezer at 12 and Fridge at 54 ..not 0 and 39. - Ice trays hold ice in the freezer, but frozen food is not ice cold. - Fan is working Opened the back panel. Lots of solid ice buildup in the right corner side - Absolutely, no ice in/around the drain hole this time or the bottom of coils Used hair dryer to melt the ice. Had the freezer ON for 4hrs and re-checked the coils- Again build up of ice on the right top capillary?...See MoreReplace evaporative coil or replace heat pump
Comments (18)Do you like the Amana they are proposing, they also have a 14 Seer Rheem as the cheapest model --- The Rheem is a basic single stage unit. I am trying to find out the model number on the Amana but I think it is ASZC16. I had to ask what they were selling me because they have some agreement to use the HVAC company name in model description: XXX TruComfort Signature Series Heat Pump (dual speed) XXX TruComfort Pro Series Air Handler Variable Speed Blower. XXX is HVAC company name The rep said Amana was "allowing" them to use their name. Ah, OK a couple of things... There is nothing wrong with Amana. I've installed it many times. Rheem units I've repaired many times nothing really wrong with those either. Most of this comes down to how well you take care of it. Who installed it, how they installed it and so on. I have installed over 8 different brands of HVAC equipment. Not to brag but to tell you brands don't make much difference... when you know what you are doing. Most people don't realize what I say here, most of what manufacturer's do is a mirror room of competing brands all of them made by 7-8 manufacturing companies. So the most important in my eyes is: buying the model that has the options you want, lowers utility bills, keeps you comfortable etc. The more options you buy the more it will cost. The Amana ASZC16 is a 2 speed heat pump. The lowest 2 speed you can buy. Not a bad unit, but not as efficient as say the AVZC20 which is the Amana 20 SEER inverter heat pump. I put in an inverter heat pump at my home last year, I didn't choose the Amana. I went with the Bosch 1.0 18 SEER inverter heat pump. This can and will throw some for a loop why I often sell Amana but went with the Bosch. I have sold the Bosch to others as well. It's knowing and understanding how these things operate. So to keep this short all I am going to say is it was a choice based on what both do, how they do it AND the cost involved to pull it off. Their are risks in using the Bosch that aren't there with the Amana brand. So it's a choice is what it is. Now in terms of a Company True Comfort xxx air conditioning made by so and so... They can do this because they move a LOT of equipment. Probably in the 100's of thousands of dollars a year. Carrier upset this gravy train by getting too greedy most likely and this company shopped around while waving a cash stack, ready to buy a lot of equipment. It's really no different when Kenmore sold their branded AC back in the day made by none other than Carrier ironically. The reason companies do this is only they can sell you a 'True Comfort' so and so. You know if brand is so important to you and nothing else is. That's why you need to avoid the 'my brand is better than your brand' they all break. Going with a bigger company has it's plusses but also it's negatives. The negatives revolve around the feel like another number to the company. Most of my customers are on a first name basis with me. I am the only one they ever see. So many ways to do something as you can see here....See MoreDominick Orlando
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last yearDominick Orlando
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