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Post by ckfan on Jan 18, 2017 16:45:51 GMT
I'm glad you got it up and running again. It sure looks like we got lucky. Had we made the socket ever so slightly larger in diameter, it wouldn't have fit. Great news! Yes, you are exactly right. You got the diameter of the socket spot on. I'm glad you turned it as much as you did. I was no help at all in the measurements department! Now I have a Frigidaire meter miser electrical nut removal tool to use forever.
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Post by elec573 on Jan 19, 2017 2:41:43 GMT
Nice work Ray are these simller to the Westinghouse early fridges ?
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Post by ckfan on Jan 19, 2017 5:07:18 GMT
Nice work Ray are these simller to the Westinghouse early fridges ? Not really. The only similarity is the style of compressor terminals. In fact the replacement add on seals that I got can be used on those westy compressors and a host of other brands. With only 3 moving parts in the compressor and a refrigerant that is low pressure it is a pretty unique animal.
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Post by ckfan on Jan 27, 2017 13:25:12 GMT
Here's an update on the Cold Wall. She lives! I brought it back inside and let it warm up over a day. When I turned it on it was a little angry. It kept having a rattling noise that would rhythmically come and go. Kind of odd, I thought it might be low on oil but when I bounced the compressor on its suspension mountings it did nothing to change the noise. I believe that these compressors are on the high side of the system so perhaps it was boiling off tiny amounts of liquid refrigerant? Anyways, after about 30 minutes of me carefully watching it, the watts went up to normal (110) from (85 or 90) and it started getting the condenser warm. Actually, now that I type this it puzzles me even more. Why did the watts start out lower than normal and then eventually stabilize at what it normally uses at the same time that the noise went away? Strange.
Worrying about it loosing life blood aside, it took off after that 30 minutes and I was greeted with a nice and frosty evaporator. It has been cycling nicely now, I haven't timed it. It is back to its normal clicky noise level. The interior is also nice and cold with all of the walls feeling right. I can't see or feel any oil leaks on the bottom near the terminals. The other day I freaked myself out because even though I painted the whole thing over a week ago I found a paint bubble on the compressor that still had wet paint in it! At first I thought oil had leaked out but I quickly realized that couldn't be right because there was no oil trail leading to the bubble.
I'm so happy that it is working. The camera is going to point at this beast next. She's a big, thick mama jama. I couldn't even tip it over myself on the dolly.
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Post by coldspaces on Jan 27, 2017 14:07:55 GMT
I would say the watts returned to normal after the refrigerant all boiled out of the oil and the hi pressure got to normal. So good to know it didn't lose the refrigerant.
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Post by 100yearfridge on Feb 28, 2017 0:25:17 GMT
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Post by ckfan on Feb 28, 2017 2:51:37 GMT
Wow, you are finding great stuff even in relation to non monitor top related fridges! I will find time to read this later.
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Post by ckfan on Feb 28, 2017 17:52:13 GMT
I just read through the paper that you linked. The type of cold wall cabinet that they are describing seems to be one of the earlier models without a full width freezer section. Regardless, the information was very interesting. I especially liked the way that he described how the evaporator is situated inside the walls of the cabinet. I also like how it is bent into the shape of an inverted P trap so that the refrigerant flow is directed one way only. Very fascinating. My 1936 Frigidaire, which is not a cold wall but has the dinky dee freezer, has the condition that the author mentions when the top portion of the freezer doesn't frost when the control is set to "1", the normal setting. It doesn't really hurt anything but it is odd to see it defrost the top third of the freezer every off cycle. Now I know why!
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Post by 100yearfridge on Mar 1, 2017 1:16:25 GMT
It is essentially a two-phase thermosiphon, which is pretty cool as it exists years before any such term was coined. I've built a few of them, but none have ever been of practical use. I will probably give it a try again sometime. The first air cooled Servel gas absorption refrigerators to have air cooled condensers used a two-phase thermosiphon to transfer heat from the absorber tank to the an air coil.
I've got a bunch of Frigidaire manuals. I'll have to look for something about your unit. It is mostly earlier models, I think.
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Post by ckfan on Mar 1, 2017 15:53:34 GMT
I've got some old manuals that Travis gave me. Unfortunately they really don't go into the coldwall inner workings. One of them covers my model though.
The two phase thermosyphon setup makes sense. I think I can see it in my mind.
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