Download Application Guide. AG 31-003-1. Chiller Plant Design PDF

Read Online or Download Application Guide. AG 31-003-1. Chiller Plant Design PDF

Best technique books

Woodworking Shopnotes 082 - The Complete Miter Saw Workstation

Each web page of ShopNotes journal will make you a greater woodworker, since you get extra woodworking plans, extra woodworking options, extra woodworking jigs, and extra approximately woodworking instruments — and never a unmarried advert. For greater than 25 years, woodworkers have became to ShopNotes for the main particular woodworking plans and woodworking advice on hand at any place.

Knowledge-Based Intelligent Information and Engineering Systems: 8th International Conference, Kes 2004, Wellington, New Zealand, September 20-25, 2004, Proceedings, Part I

The three-volume set LNAI 3213, LNAI 3214, and LNAI 3215 constitutes the refereed complaints of the eighth overseas convention on Knowledge-Based clever info and Engineering structures, KES 2004, held in Wellington, New Zealand in September 2004. The over 450 papers provided have been conscientiously reviewed and chosen from quite a few submissions.

The New Structuralism: Design, Engineering and Architectural Technologies (Architectural Design July August 2010, Vol. 80, No. 4)

At the present time the convergence of layout, engineering and architectural applied sciences are breeding a brand new fabric perform in experimental structure. during this pioneering booklet, this crucial shift is totally outlined as a hugely dynamic synthesis of rising ideas of spatial, structural and fabric ordering built-in in the course of the software of materialization and fabrication applied sciences.

Extra resources for Application Guide. AG 31-003-1. Chiller Plant Design

Sample text

The condenser loop operates whenever the chillers operate. If both chillers are the same and the condensers are piped in parallel, the lead chiller will accomplish about 45% of the system load and the lag chiller will accomplish about 55% of the system load. This occurs because the lead (downstream) chiller is supplying chiller water at the system set point (typically 44°F). 5°F to the lead chiller. The reduced lift for the lag chiller allows it to provide more cooling capacity. Figure 39 – Basic Series Chiller System Operation For constant flow systems, the chilled water temperature range varies directly with the load.

The dual or VFD chillers partly loaded should be more efficient than one conventional chiller fully loaded. The chiller savings can be used to offset the additional pumping cost from operating peripheral pumps. Moreover, this arrangement will provide the necessary chilled water flow on the primary side to offset the low delta T problem. Total System Analysis When estimating the savings, consider both the type of chillers used and the available lift reduction (condenser relief) and peripheral equipment that must be operated.

The high flow rate can result in high water pressure drops. Since the chillers are in series, the pressure drops of the chillers must be added. If the typical 10°F system temperature difference is maintained, then single pass evaporators should be considered. This will lower the pressure drop to an acceptable level. Basic Components Chillers Chillers selected for series applications require special consideration. Special care should be taken when using smaller chillers with limited shell arrangements such as small air or water-cooled chillers.

Download PDF sample

Rated 4.90 of 5 – based on 46 votes