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A voiding 101 Serious HVAC System Design Mistakes

A voiding 101 Serious HVAC System Design Mistakes

A voiding 101 Serious HVAC System Design Mistakes, now utilized by over 3,000 organizations in their HVAC work to quickly and accurately determine system problems and their solutions. This publication details 101 HVAC design, installation and operations mistakes. It contains methods to correct each problem. The book is divided into sections dealing with Air Distribution, Air Movement Systems, Controls, Equipment (Boilers,Chillers,Cooling Towers, etc) Hydronics, Interior Air Quality, Airborne Contamination also Laboratories.

Wherever the max and min values are not listed on the construction drawings, it is expected that the contractor would know that the maximum value had to be equal to the total of the cfm values listed for the diffusers connected to the applicable VAV terminal box. Though this may work for the maximum value, many different procedures are utilized to determine what the applicable minimum value should be.

Onemethod is to set the minimum values at 30 to 33% of the maximum value. Though this method may be close to the required value, it may fall short in providing the amount of air required for good Interior Air Quality and/or good humidity control and low load.

For this reason, design engineer should always select  the maximum and minimum terminal box values,  and shown on the design drawings. In several situations reported to the NRC by SMACNA contractors, where the minimum terminal box not shown on the drawings, the contractors elected to set the terminal boxes in many areas at 30% of the maximum value.

A voiding 101 Serious HVAC System Design Mistakes Product details

Paperback: 112 pagesHVAC System Design Mistakes
Publisher: CreateSpace (April 12, 2009)
Language: English
ISBN-10: 1442125624
ISBN-13: 978-1442125629
Product Dimensions: 8 x 0.3 x 10 inches
Shipping Weight: 10.9 ounces

You can also Read Refrigeration and Air Conditioning Ramesh Arora

A voiding 101 Serious HVAC System Design Mistakes Content

  1. Air Movement
  2. Controls
  3. Equipment (Boilers, Chillers, Cooling Towers, etc.)
  4. Hydronics
  5. Interior Air Quality And Air Borne Contamination Control.
  6. Laboratories
  7. Air Distribution


A voiding 101 Serious HVAC System Design Mistakes

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