Air Movement
Pressure difference
Static pressure
Atmosphere Pressure
Gages use to measure
Unites of measurement
Effects of duct componets
Filters
Coiling coils
Surface of duct
Heating electrical
Humidifiers
Register and Grills
Causes of duct problems
Use of manometer and magahelix
Deterring air velocity
Wwhat a traverse is and Use of it
Deterring air velocity and volume by velocity and duct size
Deterring air flow volume
By heat rise on gas or oil fired equip
By electric heat
Design limits
` How to identify problems
How to correct problems found
Blower Curves
Duct sizing for proper losses
Duct calculator
Duct sizing to reduce notice
Filter loss
Volume for both heating and cooling
Residential Duct Sizing
8Hr credit
Manual D
Introduction and over view
Principal
Example of problems
Terms used
Various type of system with pro and con of use
Parts of the air system
Information need to do a duct design properly
Careerists of duct turns and transitions
Doing a basic system Step by step
Covering forms, charts, and tables used
Students Do a Problem
We go over problem and review
Summery and end
Master and journeyman
HVAC Continuning Education
