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Thread: charging weight
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14-06-2011, 11:30 AM #1
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charging weight
Guys,
I have a 4 door fridge comersa.No model label.Compressor was replaced to an Electrolux GP12TB 2 years ago. running on R134a. I need to change again compressor.Any on know how much grams to charge of R134a ? Compressor is 12ccs ( 510w approx)
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14-06-2011, 04:43 PM #2
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Re: charging weight
I presume you will recover the existing charge ?
So recharge with the amount removed prior to the work been undertaken.
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14-06-2011, 05:03 PM #3
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Re: charging weight
Lol like that's gonna happen
Originally Posted by stufus
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14-06-2011, 06:19 PM #4
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Re: charging weight
Probably not! Originally Posted by james10
Cheers
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14-06-2011, 08:30 PM #5
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Re: charging weight
like the comments reclaim lol how about you apply the 15 deg rule of thumb see if it works
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14-06-2011, 10:29 PM #6
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Re: charging weight
Does the 4 door cabinet has a evaporator fan ? If so disconnect the power to the fan charge till coil fully flooded , reconnect fan . Once you restart the fan it will have some work to do so just pack up and go to the pub or home !!
60% of the time it works everytime.
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14-06-2011, 10:32 PM #7
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Re: charging weight
squirt and blow method-overcharge,wait for suction to flood back,blow a bit,wait,blow a bit,wait. if it reaches temp,great if not add a bit,bit more repeat if nessesary!
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14-06-2011, 11:34 PM #8
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Re: charging weight
EH? 12cc compressor on a 4 door? Are you working on a stand alone 4 door bottle cooler? Originally Posted by kerrcell
To the optimist, the glass is half full. To the pessimist, the glass is half empty.
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15-06-2011, 03:56 PM #9
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Re: charging weight
Hi guys,
A late reply though ! Yesterday during the night manged to change compressor.Have reclaimed but charged with fresh gas.I worked by superheat but the idea of temporary disconnecting the evp fan,I liked and will try next time .What is the 15 degrees rule,I presume it is tyhe superheat you are referring to .
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15-06-2011, 06:22 PM #10
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Re: charging weight
15 degree rule of thumb take air on condenser and add 15 degrees to it and get your comparitor out find that temp on the gas you are using and thats what yr discharge should be when fully charged dead easy one to remember that and easy
