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Ventilation décentralisée et les
poutres climatiques (chilled beams)
2
Sommaire de la présentation
• Principe et opération des poutres climatique
• Conception et analyse énergetique
• Avantages et désavantages
• Contrôles
• Installation et mise en service
Opération
Réduction de la consomation totale
du bâtiment
Conventional
HVAC System
Radiant Cooling
& Chilled Beams*
Other Loads
Air Transport load
Load From Lights
Fan & Motor
100% Peak Power
57.7%
37.5%
18.8%
9.3%
34.4% 34.4%
1.9%
9.4%
7.5%
1.5% Pumps
Chiller
62.5%
Percentages relative to overall peak power for the conventional system
Figure from: Centre For Building Science News, Lawrence Berkeley Laboratory, “Hydronic Radiant Cooling Systems”, Fall 1994.
* Figure does not include additional fan energy associated with developing pressure for active chilled beam operation.
Installation & Opération
Installation
• Easy mounting with hanging rails and
brackets
• No moving parts
• Very little maintenance
• Easy access from the front for coil
cleaning.
• No electrical connections
• Inexpensive terminal controls
Operation
• High chilled water temperature 14-
16°C (57-61°F)
• Primary ‘fresh’ air quantity tailored to
suit ventilation requirements.
• Self regulating
• VAV for tight temperature control
Pour la présentation complète,
communiquez avec votre représentant.
514-738-9865

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Twa teaser

  • 1. Ventilation décentralisée et les poutres climatiques (chilled beams)
  • 2. 2 Sommaire de la présentation • Principe et opération des poutres climatique • Conception et analyse énergetique • Avantages et désavantages • Contrôles • Installation et mise en service
  • 4. Réduction de la consomation totale du bâtiment Conventional HVAC System Radiant Cooling & Chilled Beams* Other Loads Air Transport load Load From Lights Fan & Motor 100% Peak Power 57.7% 37.5% 18.8% 9.3% 34.4% 34.4% 1.9% 9.4% 7.5% 1.5% Pumps Chiller 62.5% Percentages relative to overall peak power for the conventional system Figure from: Centre For Building Science News, Lawrence Berkeley Laboratory, “Hydronic Radiant Cooling Systems”, Fall 1994. * Figure does not include additional fan energy associated with developing pressure for active chilled beam operation.
  • 5. Installation & Opération Installation • Easy mounting with hanging rails and brackets • No moving parts • Very little maintenance • Easy access from the front for coil cleaning. • No electrical connections • Inexpensive terminal controls Operation • High chilled water temperature 14- 16°C (57-61°F) • Primary ‘fresh’ air quantity tailored to suit ventilation requirements. • Self regulating • VAV for tight temperature control
  • 6. Pour la présentation complète, communiquez avec votre représentant. 514-738-9865

Notes de l'éditeur

  1. The purpose of this presentation is to: Define Free Cooling, Discuss the different types of free cooling systems that have, and are being used, along with the advantages and disadvantages of each, Walk thru the design of a typical free cooling system while developing an understanding of the factors affecting performance and cost, and Go thru “tips” for successful operation.