Carrier TDP 504 Duct Design Level 1 Fundamentals
Technical Development Programs (Carrier TDP 504 Duct Design Level 1 Fundamentals) are modules of technical training on HVAC theory, system design, equipment selection and application topics. They are targeting engineers and designers who wish to develop their knowledge in this field to effectively design, specify, sell or apply HVAC equipment in commercial applications.
This module will look at the way commercial duct design creates an airflow conduit for interconnecting
an air handler, rooftop unit, or fan coil with VAV and CV terminals and/or room air distribution devices as a means of delivering conditioned air to the occupants of a building. A step-by-step design process will be presented covering such aspects of duct design as zoning, load determination, layout, sizing, and determining static pressure losses for system fan selection.
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Carrier TDP 504 Duct Design Level 1 Fundamentals
- Introduction
![Carrier TDP 504 Duct Design]()
- Duct Design Criteria
- Theory and Fundamentals
- Friction Loss in Ducts
- Fitting Dynamic Losses
- Duct Sizing Methods
- Duct Design Process Steps
- Design Step 5: Lay Out Ductwork from AHU to Air Distribution Devices
- Design Step 6: Summarize Duct cfm and Label Duct Schematic
- Step 7: Size Ductwork from Fan, Out to Extremities
- Design Step 8: Calculate Air System Pressure Losses
- Design Step 9: Select Fan and Adjust System Airflows
- Summary
- Appendix and Supplemental Material
- Symbols for HVAC Systems
- Duct Sizing Worksheet
- Glossary
- References
- Work Session 1 – Answers
- Work Session 2 – Answers
This Technical Development Program (TDP) covers the fundamental principles of duct system design for commercial building applications. The most popular duct sizing method – equal friction – is covered in detail. Modified equal friction, incorporating many of the benefits of static regain, is presented in the related TDP-505, Duct Design, Level 2. Although many other duct sizing methods exist (e.g. velocity reduction, T-method, extended plenum, constant velocity, static regain), none are widely used by designers and are beyond the scope of this training module. The reader should refer to other publications for information on these sizing methods.
After completing the module, participants will be able to manually size ductwork using either a friction chart or a duct calculator. The second level TDP of duct design will cover the modified equal friction method of duct design, along with additional sizing and layout recommendations.
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Carrier TDP 504 Duct Design Level 1 Fundamentals
Carrier TDP 504 Duct Design Level 1 Fundamentals
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