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For those who use a SG/MI.

TechmanTechman Posts: 2,057Member ✭✭✭
This is not AC related, so relax.  On a chiller(REFRIGERATION) I saw the Green/Yellow MI had changed to "black" . What?Why? Even if you,and you, who don't use SG/MI and you "know" , Please put my brain at ease! Tks.
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