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09-02-2009, 04:49 PM #1
How do you determine type of refrigerant in the system?
Does anyone know how you are able to determine the type of refrigerant that is already inside the system? Sometimes the type of refrigerant that is actually inside the system is not the actual type that is specified on the unit's tag. Is there any way to tell what has actually been used in the system?
Any advice is appreciated. Thanks.
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09-02-2009, 05:36 PM #2
Re: How do you determine type of refrigerant in the system?
Try taking the standing pressure of the refrigerant in the system & ambient temperature.
Look on a refrigerant comparitor to see which refrigerant has pressure which is a match for the temp.
Provided the system still has some liquid refrigerant this basic test should give first indication.
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09-02-2009, 06:35 PM #3
Re: How do you determine type of refrigerant in the system?
look on TEV if fitted ,look at compressor lable for ref type or drier ,if its worth it get a sample analized
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09-02-2009, 07:05 PM #4
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09-02-2009, 07:08 PM #5
Re: How do you determine type of refrigerant in the system?
i have not I take the hint
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09-02-2009, 07:13 PM #6
Re: How do you determine type of refrigerant in the system?
The only way to be sure is to get the refrigerant analysed or use a refractometer.
Brian - Newton Abbot, Devon, UK
Retired March 2015
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09-02-2009, 07:16 PM #7
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09-02-2009, 07:18 PM #8
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09-02-2009, 07:35 PM #9
Re: How do you determine type of refrigerant in the system?
words eaten or something like that ,oil and what has been
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09-02-2009, 09:50 PM #10
Re: How do you determine type of refrigerant in the system?
.
Just check all the empty cylinders that will be dumped in the plantroom.
taz.
.
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10-02-2009, 07:20 AM #11
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12-02-2009, 09:06 AM #12
Re: How do you determine type of refrigerant in the system?
Hi! I know of an analyser under the barndname TASCO which is designed to determine the refrigerant compositions. The machine can even identify most HFC and even CFCs.
Hope it helps!
Regards
Koh - S'pore
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