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Thread: charge problem
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23-02-2009, 08:04 PM #1
charge problem
When I charge R404 to a freezer system about 10.0 oz, the suction pressure is only 7psi. However, when I vacuum it and charge 9.5 oz first, then charge 0.5 oz, the suction become 15psi. Does anyone know the reason? I use a electronic scale. Thanks.
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23-02-2009, 08:54 PM #2
Re: charge problem
Hi sday
welcome to the forum
from your first post it would appear that you don't understand refrigeration? is this so?
Your profile states 'engineer' - what subject?
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