supermarket refrigerated showcase » article > walk-in display coolers > After vacuuming, close the high-pressure valve and open the low-pressure valve. The refrigerating oil is pressed into the compressor by atmospheric pressure until it is injected to the requirement.
the above articles are from refr
After vacuuming, close the high-pressure valve and open the low-pressure valve. The refrigerating oil is pressed into the compressor by atmospheric pressure until it is injected to the requirement.
the above articles are from refr
author: supermarket refrigerated showcase category: walk-in display coolers Views: 484Time: 2016-08-22
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