Question:

How much of an effect will being 1/2 a lb low on r-22 in a central unit have.?

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I have a 3 ton unit that is 6 ounces low on nominal capacity as a result of extra supply lines. Obviously this isnt enought to cause a freeze up but does anyone know just how much of an effect will actually result from being low by such a small amount? Thanks.

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  1. 6 ounces shy of a good charge will have absolutely no effect.

    Most likely it is fed by an expansion valve and it will still feed o.k.

    However a pound or more could have an adverse effect.

    Good luck.

    Oh,and 6 ounces not half a pound but almost.

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