SharePROGRESSIVE CONTROL OF REFRIGERATING UNITS.
LA REGULATION PROGRESSIVE DES INSTALLATIONS FRIGORIFIQUES.
Author(s) : HEGGLIN A.
Type of article: Article
Summary
IN AIR CONDITIONING UNITS, THE REQUIREMENTS FOR COLD AND THE CAPACITY WHICH IS OFFERED CONTINUALLY VARY, AND THE CONTROL SYSTEM MUST PERMANENTLY WATCH THEM. THE DRAWBACKS OF A ON-OFF CONTROL ARE INDICATED. THE PRINCIPLES OF PROGRESSIVE CONTROL OF THE REFRIGERANT FLOW AT THE EVAPORATOR ARE PRESENTED ; THEY AIM AT ADAPTING THE EVAPORATION TEMPERATURE AND AT LIMITING THE VENTILATION TEMPERATURE. DIFFERENT CONTROL LOOPS ARE STUDIED: SIMPLE SUCTION CONTROL AND CONTROL OF THE SUCTION WITH DIRECT OR INDIRECT HOT GAS INJECTION. THE SELECTION CRITERIA BETWEEN THESE LOOPS ARE GIVEN. J.L.
Details
- Original title: LA REGULATION PROGRESSIVE DES INSTALLATIONS FRIGORIFIQUES.
- Record ID : 1989-2400
- Languages: French
- Source: La revue pratique du froid et du conditionnement d'air - vol. 43 - n. 674
- Publication date: 1988
- Document available for consultation in the library of the IIR headquarters only.
Links
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Indexing
- Themes: Other air-conditioning equipment
- Keywords: Automation; Control (automatic); Evaporation; Evaporator; Air conditioning
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REQUIREMENTS FOR THE ADOPTION OF A CENTRALISED ...
- Author(s) : CAVALLARO S.
- Date : 1982/11
- Languages : Italian
- Source: Cond. Aria - vol. 26 - n. 11
View record
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CONTROLS IN AIR CONDITIONING PLANTS.
- Date : 1982
- Languages : German
- Source: Tech. Bau - n. 5
View record
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CONTROL TECHNIQUE. 3.
- Date : 1990
- Languages : Italian
- Source: Install. ital. - vol. 41 - n. 1
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HAVE DIRECT DIGITAL CONTROLS (DDC) LIVED UP TO ...
- Author(s) : WINCHCOMBE R.
- Date : 1989
- Languages : English
- Source: AIRAH J. - vol. 43 - n. 12
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DIGITAL CONTROL.
- Author(s) : VIRVILLE P. D. de
- Date : 1990/01
- Languages : Italian
- Source: Cond. Aria - vol. 34 - n. 1
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