How to Recharge a Refrigerator Compressor
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- Опубликовано: 31 май 2024
- This is part 2 of a 2 part series illustrating how to diagnose and repair a refrigerator that is not cooling. In this video, I show how to tap into the refrigerant lines to add refrigerant. Low refrigerant is one of the most common reasons why a fridge stops cooling.
See part 1 to learn how to determine if your refrigerator's compressor is working properly:
• How to Troubleshoot a ...
**** Timestamps ****
00:00 - Intro
01:58 - Tools/Supplies Needed
03:12 - Suction vs. Discharge vs. Process Lines
03:47 - Piercing Valve Overview
04:13 - Install Piercing Valve
05:04 - Attach Vacuum Pump and Evacuate System
07:01 - Check for Signs of Leak
07:30 - Close System and Disconnect Manifold Gauges
07:46 - Install Can Tap
08:17 - Purge Air
08:39 - Reconnect Manifold Gauges
08:50 - Add UV Dye
09:19 - Zero Scale
09:30 - Reopen System and Add Refrigerant
11:02 - Conclusion
**** Product links (I do not make any money from the purchase of these products) ****
Manifold Gauges: www.amazon.com/gp/product/B00...
Vacuum Pump: www.amazon.com/gp/product/B01...
Scale:
www.amazon.com/gp/product/B00...
Piercing Valve: www.amazon.com/gp/product/B00...
Can tap:
www.amazon.com/OrionMotorTech...
UV Dye:
www.amazon.com/Interdynamics-...
Fluke 117 Multimeter: www.amazon.com/gp/product/B00...
Electrician’s Pliers and Diagonal Cutters:
www.amazon.com/Klein-Tools-80... Automatic
Wire Stripper:
www.amazon.com/Stripper-Elect... 
Хобби
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Excellent video. I just saved this to my favorites list.
awesome video thank you
Thank you for showing us
Clever man good
A very helpful tip to extend the life of the compressor is to add 50ml of sulphuric acid to the compressor before regassing.
Is there anything that should be done differently if its a dual zone refrigerator?
If it only has a single compressor then the process for recharging will be the same.
Should have left blue hose connected to open piercing valve, closed manifold before turning vacuum pump off, then purge yellow hose at manifold hose connection.
Doing it in this order would also work. It makes very little difference either way.
@TheEscondidoExperiment problem is that you didn't get rid of the air in the blue hose, you just ran refrigerant through it and then reconnected to system there by introducing air into the system, what am I missing here?
I ran refrigerant through the yellow hose into the manifold and then into the blue hose. This displaces the air. R134a is much heavier than air so it will mostly remain in the lines after closing the tap on the can.
My gauge set doesn't have a purge valve on it. Were you assuming that it did and that I ran refrigerant through the yellow hose and out of the purge valve?
Ok that all makes perfect sense, my mistake, I guess as long as the unit is cooling properly you're good to go.
No worries. It has been cooling perfectly for over six months now.
how did you pull out the refrigerator
It's on wheels. I opened both doors and pulled on them. It's that simple
Where did the original refrigerants leak point are?
Not sure yet. It's still working fine. Once it stops working I'll take it apart again and use my UV light to try to find the leak.
I would have added a leak sealer with uv dye so that might have sealed up any small leak. That suction line look suspicious
For small leaks on copper lines you can just use a map gas torch and some sil-fos. I'd prefer doing that than adding a leak sealer.
With all due respect, a trained technician would have used the proper procedures required to meet EPA refrigerant regulations. These procedures protect the technician and the environment.
In most cases, when refrigerators die they are thrown in a landfill and replaced with a new one. I would argue that this has a much greater environmental impact than venting a few ounces of R-134A to save an existing fridge.
My goal is simply to help people with minimal resources fix their refrigerator.
@@TheEscondidoExperiment I agree yes epa certification helps to manage and work with refrigerants which can be toxic and harmful to health in certain conditions. R-134A can cause serious breathing and cardiac issues in certain conditions so appropriate PPE and ventilation is important as is recovery procedures. However that being said I fully agree putting a refrigerator this size into the landfill is more impactful.
Awlsome video. I was looking when you attached gauges there was no pressure when you opend the piercing valve prior to evacuation. Great job.@@TheEscondidoExperiment
That is an expensive refrigerator you’re using as a DIY project. A refrigerator should never need recharged. If so there’s a bigger issue.
I would say that it's too expensive not to try to fix it!
I added the UV dye so that I can hopefully find the leak in future and fix it permanently.