Help needed with homebuilt glycol beer cooler, capilary size and length

Hello everyone

I am hoping someone smarter than me can help me out.
I have built a home made glycol cooler much like this one. https://www.acbeverage.com/catalog/p…e-13-hp-air-75

it is using a dan foss compressor 1/3hp using 134a
it has a 1/2hp condenser with a variable speed fan.
it is using about 90 feet of 3/8 copper tube in a coil as the evaporator.
it has a tub of 50/50 glycol water that holds 3 gallons, the entire system holds about 4 gallons of 50/50

I need to get the glycol down to about -20f to send it to my ice beer tower.

I need to know what size and what length capillary tube is needed
and also how much refridgerant should I use.

if there is anyone out there that can help me out please let me know

Thank you.

P.s. I know that in the web page it says .054, @ 112″ but this is with a matching condenser. ie. 1/3hp compressor to 1/3 condenser

BUT my unit is 1/3 compressor to 1/2hp condenser. and I am un sure of the final bath temp in the one in the web page, this is why I need help.

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I’ve got a set of Sub Zero 601R and 601F that I’ve owned since the house was new in 1999. The 601R (fridge) has been bulletproof. The 601F (freezer) has been great… with the exception of having to completely defrost it about once a year. I keep the condenser vacuumed. I make sure the drain is clear (until it ices up). I’ve replaced the control board. I’ve replaced the drain heater. It just keeps icing up.

There’s got to be something I’m missing. Any ideas of what else I can look for or check?

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Our Blomberg built-in bottom-freezer refrigerator has suddenly developed a ‘tapping’ sound (not terribly loud but bothersome nonetheless) ostensibly coming from the bottom of the appliance. The appliance works perfectly. The tap frequency is about a couple every second. It continues for 10-15 minutes, every 30 minutes, and goes on all day long–but I can’t say the timing is consistently that way. It’s more prominent on hot days (80F+). Virtually disappears on cooler days (75F-). In my opinion, the sound does not resemble a faulty relay…specially with it coming and going with temperatures. But what do I know!

I have difficulty triggering it by leaving either fridge or freezer door open. I’m also not sure if it associated with when the compressor kicks in…I really can’t tell.

Any hypotheses on what might be the cause is very welcome!

Mo

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American Retro Coke Cooler, Need small refrigerator help.

I have a small coke cooler box made by American Retro. It had a Zel compressor that died, so I picked up a similar compressor by Emraco Model # FF8.5HBK that runs on R134a. I have a few concerns about the replacement. I will be replacing the dryer tube and adding an access valve at the same time. Here are my questions:

  1. What oil do I add? The manufacturere says use 9+ ounces of ISO 22. I cannot find any oil with that rating.
  2. How do I determine the exact amount of refrigerant to add? There is no tag whatsover with fill specifications or pressure.
  3. At what pressure should it be operated?

If there are any specifics I can find, please let me know. The manufacturer is in China and the owners manual or info from manufacturer is a no-go.

Thanks in advance!!

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Hello,

I have a Kenmore Coldspot 106.58726800 that isn’t cooling. The fridge is a stainless steel side by side with ice maker. I received it for free from a guy that said the fridge wouldn’t cool after a power outage. I assumed the problem was most likely the starter relay. I have purchased a new starter relay and have had it in for 2 days now, but the fridge is still not cooling. I’m pretty sure the compressor is running. I have tried the screwdriver to compressor trick and heard it running. I’m not really sure where to go from here to get the fridge cooling again. I have tried cutting the compressor off by turning the thermostat all the way down for a little bit and moving it back up to cold. The compressor cut off and on but still didn’t cool. Any advice on where to go from here would be greatly appreciated! Thanks!

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Hi all….been awhile since I posted but have a problem that’s suddenly started. The area in the freezer around the the ice maker and tray that holds the ice has begun freezing up with ice…when cleaned out, by the next day the same thing has happened. The freezer is set at just over B. Anyone any ideas as to what might be causing this and if it’s repairable?
Thanks for any help.

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Hi, I’m new to the thread. I searched but could not find the answer to my problem. I have a Danby Beverage Center (4.5 cu ft mini fridge) that will no longer cool below 50F (normal down to 39F). The compressor runs full time and gets hot over time. The coils inside the fridge get cold and the fan is running and blowing cold air. I have tried unplugging and let sit for several days but this does not help. Is it possible there is something wrong with the control board? Does it have a defrost mode that might be stuck on? Does this have a condenser fan I am not aware of? Or is it more likely that I just lost some of the AC Charge (R134A). No fittings to test Hi/Lo pressures. I’m not much for soldering fittings on but I’m willing to try if that is the most likely cause (I’ve done basic auto AC). Worst case, I wouldn’t mind paying someone to install fittings and add new charge. Thanks for the help, Jeff.

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kenmore freezer 2010 model compressor running fan running does not cool at all room temperature only

hi

i have a newer sears kenmore upright freezer auto defrost model made in 2010

model 253.284xxxxxx

it has an electronic display panel on top left corner for adjusting settings

when plugged in the fan immediatley comes on and you can hear the compressor humming slightly and is vibrating slightly (seems to be running) and gets luke warm to touch….not hot at all….just slightly warm

the air blowing into freezer is at room temperature only

does not get cold at all…the temp gauge on the front simply shows basically current room temperature

on the front it has the words high temp lit up and it displays the current temp which is room temperature….i have it outside today and it shows temp on front of 58f which is approx the temp outside

for the heck of it i connected the freezer to an electricity usage monitor device and it shows that the entire freezer is only drawing .6A including fan and compressor and using about 70watts…….this most certainly is an issue….

can someone guide me to find out why freezer is not cooling at all?.

thank you

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Air Diffuser housing removal – KitchenAid KSRL25FXMS03

Hi Everyone,
I needed some help figuring out how to remove the housing for an air diffuser on a KitchenAid refrigerator. I looked up info on the web and I reviewed whatever I found and youtube as well. But most housing for the air diffuser is easily removed in some models with a simple screw. However, my luck and refrigerator the housing is held in place by what I thought was a simple nut. The air diffuser housing looks similar to other housings, but this one has a small canal where I thought I can fit a socket to remove the nut, but when I took pictures of the canal it is some sort of rounded off nut? I have no idea how I would take it off, unless of course I need a special tool. If anyone has any info I would appreciate it as to inform me what kind of nut it is and what tool is necessary to remove this.
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Thanks!
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The fridge section is set to 4 Celcius on the control panel, but the inside of the fridge has wildly varying temperatures, mostly depending on shelf, but even between the left and right sides of the same shelf. The top shelf, when measuring the items with a laser thermometer, varies between 9 to 14 C. The items on the next shelf down read from 2 to 4 C, the next -1 to 3, and the drawers below that are around 8, 12, and 12C. I’m hoping this is just a fan problem, like the similar issue I had with the freezer side a few years ago, which was fixed with a new fan. But in that case the freezer was colder as you went lower, which is what I would have expected to see in the fridge if it was just a fan issue, not warmer at the top and bottom, and freezing in the middle?

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