York Millennium YDAS 410 Installation Operation & Maintenance page 117

Air cooled screw liquid chillers air cooled screw hermetic
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NOTE: Viewing % FLA or % Slide Valve of each com-
pressor can often show a significant difference
in the value for each compressor even though
load equalization should occur. This is usually
due to small pressure and mechanical variations
in each system causing each compressor to load
or unload a different amount with a load or un-
load signal of a specific duration. Any differences
will normally be readjusted in time, but regard-
less of any difference in % FLA or % Slide Valve,
the micro will still assure that leaving chilled liq-
uid temperature is properly controlled.

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