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26-01-2008, 12:43 AM #1
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quantity of refrigerant in a domestic refrigerator?
How can i determine the quantity of refrigerant i need for a specific refrigerator. I have been change the R134a for a mix of HC. I have been use the 45 and 50% of the HC refrigerant but it is havenīt been working like i expect.
Thanks!
Mariel
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26-01-2008, 12:47 AM #2
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Re: quantity of refrigerant in a domestic refrigerator?
How much R134a did you remove ?
What is the maximum allowed by the compressor manufacturer?Brian - Newton Abbot, Devon, UK
Retired March 2015
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26-01-2008, 12:48 AM #3
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Re: quantity of refrigerant in a domestic refrigerator?
I assume you are doing this as some sort of experiment?
The best option would be to braze in a service port on the HP/liquid line and measure the sub cooling.
Coming to think of it, a sight glass on the liquid line would do the job.
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