Figure 5 - Optiview™ Control Center - Compressor Motor Variable Speed Drive (York Serial Communications Protocol) - Johnson Controls YORK OPTIVIEW YK Series Service Instructions Manual
Centrifugal liquid chillers with optiview control center
Centrifugal liquid chillers, r-134a or r-513a with optiview control center for electromechanical starter, solid state starter, and variable speed drive (56 pages)
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