TITLE

Commissioning VFDs and Their Systems

AUTHOR(S)
Sellers, David A.
PUB. DATE
January 2007
SOURCE
Heating/Piping/Air Conditioning Engineering;Jan2007, Vol. 79 Issue 1, p102
SOURCE TYPE
Periodical
DOC. TYPE
Article
ABSTRACT
The article evaluates the functions of variable-frequency drive (VFD) in a chilled water system. It explains the mechanics of VFD in heating, piping and air conditioning systems. It describes the procedures for evaluating the components of a VFD serving a condenser-water system. The precautions for evaluating VFD are explained. INSET: Errors Are no Laughing Matter.
ACCESSION #
23715198

 

Related Articles

  • The hidden secrets of heat pipes. Simmons, Doug // Air Conditioning Heating & Refrigeration News;04/03/2000, Vol. 209 Issue 14, p33 

    Focuses on the use of heat pipes in air conditioning systems. Design of heat pipes; Heat pipe construction; Wrapping of heat pipes around the cooling coil; Energy savings from using heat pipes.

  • Heat pipes can enhance air conditioning systems.  // Air Conditioning Heating & Refrigeration News;6/5/95, Vol. 195 Issue 6, p20 

    Discusses the use of heat pipes in enhancing air conditioning systems. Transfer of heat from one point to another without the need for energy input; Basic makeup of a heat pipe; Increase in the amount of latent cooling.

  • Heat pipes help dehumidify supermarkets without energy penalty. Thomas, Jerry // Air Conditioning Heating & Refrigeration News;5/6/96, Vol. 198 Issue 1, p30 

    Describes how heat pipes help dehumidify supermarkets which enhances the efficiency of the refrigeration systems. Primary function of the heating, ventilation and air conditioning system; Dehumidification system in supermarkets; Concept of heat pipe installations. INSETS: Shaw's uses heat...

  • WHEN VARIABLE Row Fails. Kuempel Jr., John // Engineered Systems;Mar2008, Vol. 25 Issue 3, p24 

    The article highlights the problems of the new heat rejection system and a second set of pipes that has been installed in a modern 30-story building in the U.S. According to the author, after ten years, the pipes in the second floor and below the 15th floor have indicated a possible pipe flaw....

  • CALENDAR.  // Heating/Piping/Air Conditioning Engineering;Aug2006, Vol. 78 Issue 8, p20 

    The article presents a calendar of events related to heating, piping and air conditioning (HPAC) engineering in the U.S. from 2006 to 2007. "HPAC Engineering" periodical will be producing and managing the third annual "Engineering Green Buildings Conference and Expo" in Austin, Texas from...

  • Hot Water Distribution System Piping Time, Water, and Energy Waste -- Phase I: Test Results. Hiller, Carl C. // ASHRAE Transactions;2006, Vol. 112 Issue 1, p415 

    This paper describes results of recent laboratory tests on a variety of common hot water distribution system piping sizes and types under a variety of flow rates, temperatures, and environmental conditions. The tests measured the time spent waiting for hot water to arrive at fixtures and the...

  • Communication is a Contractor's Best Tool. Tuohy, Tom // Air Conditioning Heating & Refrigeration News;4/28/2014, Vol. 251 Issue 17, p23 

    The article offers tips on the proper installation of automatic water feeder taking into account its cost and mechanics. It discusses the potential problems that one may encounter in the installation of the said feeder including the potential age of the return line when an old feeder is removed....

  • Save The Day with Aquatherm!  // Engineered Systems;Feb2014, Vol. 31 Issue 2, p56 

    The article offers a corporate profile for German pipe system manufacturer Aquatherm GmbH. It mentions that the highly engineered pipe systems of the company deliver an environmentally friendly alternative to plastic and metal pipe for heating, ventilation and air condition (HVAC). It states...

  • FROST-FREE FOOD FREEZER FOR SUPERMARKETS. Chamberlain, Gary // Design News;11/4/91, Vol. 47 Issue 21, p14 

    The article reports that Edison Electric Institute, a Washington utility group, has found a device called heat pipes, that will dry out air in supermarkets and fast-food stores but keeping the freezer frost. A pipe is placed in the central air conditioning system. According to the author, it...

Share

Read the Article

Courtesy of VIRGINIA BEACH PUBLIC LIBRARY AND SYSTEM

Sorry, but this item is not currently available from your library.

Try another library?
Sign out of this library

Other Topics