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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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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Sub Zero 601F won't stop icing up

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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Sub Zero 601F won't stop icing up

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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'Soft tapping' sound Blomberg BRFB0900: 24 Inch Built-in Bottom-Freezer Refrigerator

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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