Engineered Systems - December 2008 - (Page 50) When it has to be stainless, it has to be A-J! The experts in stainless steel clean air systems for food processing, plus: • Custom fabrication • Rush deliveries A-J Manufacturing offers a complete line of custom and standard stainless steel air distribution products, all designed and manufactured to offer durable, dependable and low maintenance performance necessary for food processing and manufacturing facilities. What’s more, with our state-of-the-art manufacturing capabilities, we can also offer you the industry’s shortest lead times for custom orders. So for continuous linear, security grilles, modular diffusers and much more, contact A-J Manufacturing today! Basics For Refrigerant Chillers 1.3 1.2 1.1 1.0 0.9 kW/ton 0.8 0.7 0.6 0.5 0.4 0.3 0.0 0 * Air cooled screw chiller Water cooled screw chiller Air cooled scroll chiller Water cooled scroll chiller Water cooled centrifugal * * * 25 50 75 100 % Loaded * A-J Manufacturing 800-247-5746 • www.ajmfg.com Input 13 at www.esmagazine.com/instantproductinfo GRAPH 1. Part load energy usage. Matches AC System Output to Changing Loads, Maintains Comfortable Humidity Levels Most AC systems lack subtlety: they either run at full capacity or they’re off. Under low load conditions, most systems quickly cool the air and then shut down, allowing humidity to build. The APR Control lets AC systems operate at less than full capacity so they continue to dehumidify without overcooling. ■ 165 160 155 Chiller capacity (tons) 150 145 140 135 130 125 120 150 ton water cooled centrifugal 140 ton water cooled scroll chiller 130 ton water cooled screw chiller For retrofits or new DX systems to 100 tons ■ Ideal for makeup air and VAV systems ■ Fast, simple installation RAWAL DEVICES, INC TEL : 800 727 6447 FAX: 781 933 3306 sales @ rawal.com 0 0 75 80 85 90 95 100 105 CW Temp (F) www.rawal.com GRAPH 2. Chiller capacity vs. condenser entering water temperature. Input 135 at www.esmagazine.com/instantproductinfo 50 En g i neer ed Sy stem s December 2008 http://www.ajmfg.com http://www.ajmfg.com http://www.esmagazine.com/instantproductinfo http://www.rawal.com http://www.rawal.com http://www.esmagazine.com/instantproductinfo
Table of Contents Feed for the Digital Edition of Engineered Systems - December 2008 Engineered Systems - December 2008 Contents Editor's Note HVAC Challenge Back2Basics Case In Point Commissioning Building Automation HVACR Designer Tips Applications Checklist Lakefront Library: Radiant Systems Meet Natural Ventilation Before (And After) The Flood Basics For Refrigerant Chillers Wire-To-Shaft Efficiency For HVAC Pumps Products Glossary Classifieds Advertiser Index Tomorrow’s Environment Engineered Systems - December 2008 Engineered Systems - December 2008 - Engineered Systems - December 2008 (Page Cover1) Engineered Systems - December 2008 - Engineered Systems - December 2008 (Page Cover2) Engineered Systems - December 2008 - Engineered Systems - December 2008 (Page 3) Engineered Systems - December 2008 - Contents (Page 4) Engineered Systems - December 2008 - Contents (Page 5) Engineered Systems - December 2008 - Contents (Page 6) Engineered Systems - December 2008 - Contents (Page 7) Engineered Systems - December 2008 - Editor's Note (Page 8) Engineered Systems - December 2008 - Editor's Note (Page 9) Engineered Systems - December 2008 - HVAC Challenge (Page 10) Engineered Systems - December 2008 - HVAC Challenge (Page 11) Engineered Systems - December 2008 - Back2Basics (Page 12) Engineered Systems - December 2008 - Back2Basics (Page 13) Engineered Systems - December 2008 - Case In Point (Page 14) Engineered Systems - December 2008 - Case In Point (Page 15) Engineered Systems - December 2008 - Case In Point (Page 16) Engineered Systems - December 2008 - Case In Point (Page 17) Engineered Systems - December 2008 - Commissioning (Page 18) Engineered Systems - December 2008 - Commissioning (Page 19) Engineered Systems - December 2008 - Building Automation (Page 20) Engineered Systems - December 2008 - Building Automation (Page 21) Engineered Systems - December 2008 - HVACR Designer Tips (Page 22) Engineered Systems - December 2008 - HVACR Designer Tips (Page 23) Engineered Systems - December 2008 - Applications Checklist (Page 24) Engineered Systems - December 2008 - Applications Checklist (Page 25) Engineered Systems - December 2008 - Lakefront Library: Radiant Systems Meet Natural Ventilation (Page 26) Engineered Systems - December 2008 - Lakefront Library: Radiant Systems Meet Natural Ventilation (Page 27) Engineered Systems - December 2008 - Lakefront Library: Radiant Systems Meet Natural Ventilation (Page 28) Engineered Systems - December 2008 - Lakefront Library: Radiant Systems Meet Natural Ventilation (Page 29) Engineered Systems - December 2008 - Lakefront Library: Radiant Systems Meet Natural Ventilation (Page 30) Engineered Systems - December 2008 - Lakefront Library: Radiant Systems Meet Natural Ventilation (Page 31) Engineered Systems - December 2008 - Lakefront Library: Radiant Systems Meet Natural Ventilation (Page 32) Engineered Systems - December 2008 - Lakefront Library: Radiant Systems Meet Natural Ventilation (Page 33) Engineered Systems - December 2008 - Lakefront Library: Radiant Systems Meet Natural Ventilation (Page 34) Engineered Systems - December 2008 - Lakefront Library: Radiant Systems Meet Natural Ventilation (Page 35) Engineered Systems - December 2008 - Before (And After) The Flood (Page 36) Engineered Systems - December 2008 - Before (And After) The Flood (Page 37) Engineered Systems - December 2008 - Before (And After) The Flood (Page 38) Engineered Systems - December 2008 - Before (And After) The Flood (Page 39) Engineered Systems - December 2008 - Before (And After) The Flood (Page 40) Engineered Systems - December 2008 - Before (And After) The Flood (Page 41) Engineered Systems - December 2008 - Before (And After) The Flood (Page 42) Engineered Systems - December 2008 - Before (And After) The Flood (Page 43) Engineered Systems - December 2008 - Before (And After) The Flood (Page 44) Engineered Systems - December 2008 - Before (And After) The Flood (Page 45) Engineered Systems - December 2008 - Basics For Refrigerant Chillers (Page 46) Engineered Systems - December 2008 - Basics For Refrigerant Chillers (Page 47) Engineered Systems - December 2008 - Basics For Refrigerant Chillers (Page 48) Engineered Systems - December 2008 - Basics For Refrigerant Chillers (Page 49) Engineered Systems - December 2008 - Basics For Refrigerant Chillers (Page 50) Engineered Systems - December 2008 - Basics For Refrigerant Chillers (Page 51) Engineered Systems - December 2008 - Basics For Refrigerant Chillers (Page 52) Engineered Systems - December 2008 - Basics For Refrigerant Chillers (Page 53) Engineered Systems - December 2008 - Basics For Refrigerant Chillers (Page 54) Engineered Systems - December 2008 - Basics For Refrigerant Chillers (Page 55) Engineered Systems - December 2008 - Basics For Refrigerant Chillers (Page 56) Engineered Systems - December 2008 - Wire-To-Shaft Efficiency For HVAC Pumps (Page 57) Engineered Systems - December 2008 - Wire-To-Shaft Efficiency For HVAC Pumps (Page 58) Engineered Systems - December 2008 - Wire-To-Shaft Efficiency For HVAC Pumps (Page 59) Engineered Systems - December 2008 - Wire-To-Shaft Efficiency For HVAC Pumps (Page 60) Engineered Systems - December 2008 - Wire-To-Shaft Efficiency For HVAC Pumps (Page 61) Engineered Systems - December 2008 - Products (Page 62) Engineered Systems - December 2008 - Products (Page 63) Engineered Systems - December 2008 - Glossary (Page 64) Engineered Systems - December 2008 - Classifieds (Page 65) Engineered Systems - December 2008 - Classifieds (Page 66) Engineered Systems - December 2008 - Classifieds (Page 67) Engineered Systems - December 2008 - Classifieds (Page 68) Engineered Systems - December 2008 - Advertiser Index (Page 69) Engineered Systems - December 2008 - Tomorrow’s Environment (Page 70) Engineered Systems - December 2008 - Tomorrow’s Environment (Page Cover3) Engineered Systems - December 2008 - Tomorrow’s Environment (Page Cover4)
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