View Full Version : Identifying R404A
rajuafs
28-06-2012, 06:37 PM
Gents,
How can anyone identify whether the refrigerant supplier has supplied genuine refrigerant
R404a?
Please help me.
Rob White
28-06-2012, 06:53 PM
.
Use the pressure temperature relationship test.
At any given temperature the refrigerant will be at a certain pressure.
Measure the temperature of the cylinder, measure the pressure of the
cylinder and they should corrispond with what it should be on a chart
or comparitor.
Regards
Rob
.
cadwaladr
01-07-2012, 10:11 PM
thats the only way i know,why do you ask the question if you doubt your supplier find another not worth the risk!!
install monkey
01-07-2012, 10:33 PM
http://www.sanwatsusho-global.com/product/pdf/ta_400a.pdf
refrigerant identifier;)
basilyousuf
02-07-2012, 09:59 PM
normaly for cooling down to 0C. the suction pr = 50, discharge pr = 300 psi.
and these nos. could be slightly diff due to weather and charge.
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