Competency B4: Install Air Supply Systems for Fuel Gas Appliances
The efficient and safe operation of gas-fired appliances relies on an adequate supply of air. In this competency you will learn how air supply systems are designed and installed to deliver the air supply requirements of gas fired appliances.
Learning Objectives
After completing the learning tasks in this competency, you will be able to:
- Describe the different methods of providing gas appliance air supply
- Interpret code requirements for gas appliance air supply
- Describe the installation of passive air supply systems
The following learning outcomes, from previous studies, should be reviewed before proceeding with this learning module:
- Define the four major subsystems that make up the building as a system
- Define the building envelope
- Define different building air requirements including:
- Ventilation air
- Make-up air
- Air supply for fuel burning appliances
- Define the different air requirements for gas fired appliances
- Define gas appliance draft terminology including:
- Natural draft
- Mechanical draft
- Backdrafting
- Describe gas appliance categories as defined in the gas code