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IMPROVED LOCAL LOOP CONTROL SYSTEMS.

Author(s) : WICHMAN P. E.

Summary

RECENT IMPROVEMENTS IN LOCAL LOOP CONTROL HAVE ENABLED CONTROL SYSTEMS TO BE DESIGNED AND MANUFACTURED WITH ACTUAL SET POINTS OR PARAMETERS FACTORY-CALIBRATED, OR < BUILT IN >, TO THE SYSTEM PRIOR TO INSTALLATION. THE AUTHOR COVERS THE ENHANCEMENTS INCORPORATED IN LOCAL LOOP CONTROL SYSTEMS OVER THE LAST TEN YEARS. PNEUMATIC CONTROL, ALTHOUGH IN EXISTENCE FOR A LONG TIME AND CONSIDERED OUTDATED, HAS NOTDIED OR, FOR THAT MATTER, STEPPED TO THE WAYSIDE. RATHER, PNEUMATIC CONTROL HAS JOINED WITH STATE-OF-THE-ART COMPUTERIZED CONTROL SYSTEMS, REMAINING A DESIRABLE CONTROL ARRANGEMENT CHOICE FOR HVAC SYSTEMS.

Details

  • Original title: IMPROVED LOCAL LOOP CONTROL SYSTEMS.
  • Record ID : 1986-0338
  • Languages: English
  • Publication date: 1984
  • Source: Source: ASHRAE Trans.
    vol. 90; n. 2B; 193-200; 5 fig.
  • Document available for consultation in the library of the IIR headquarters only.

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