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Thread: Charging by gauge temperature
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12-06-2014, 10:09 AM #1
Charging by gauge temperature
Hi Guys,
can anyone help me on this one.
If i dont have a badged charge weight on a split system can i charge it by the temperature readings on my gauges?
andy
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12-06-2014, 08:02 PM #2
Re: Charging by gauge temperature
Ideally you should find out from the manufacturer or work off your air off temp on the evap
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13-06-2014, 09:12 AM #3
Re: Charging by gauge temperature
.
I have a Refrigerant charge calculator produced by DEFRA,
it is only a guide, but if you want a copy PM me your email
and I will forward you it.
I can't vouch for it's accuracy because I have never used it
in anger but it is a starting point.
Rob
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27-06-2014, 01:39 PM #4
Re: Charging by gauge temperature
If no info is available recover any remaining refrigerant.
Charge by measuring superheat will also get you a good starting point, and ensure that no liquid returns to the compressor. At the same time, note the weight of refrigerant added and you can mark the unit accordingly.
Grahamen boca cerrada no entran moscas