Gas Trade: Unit 13 - Controls: Fundamentals
CSA Group's 2019 Gas Trade materials reference the Red Seal Program's trade outlines for your preparation to become a nationally recognized gasfitter. Please visit the Red Seal Program's website for more details.
The control system of a gas appliance ensures a safe light-up, operation, and shut-down of the equipment. It also ensures the pilot and/or main burner are lit safely. It is important to understand the circuitry of the control system in order to troubleshoot electrical problems and to safely isolate components for servicing.
At the end of this unit you will be able to:
• Describe gas appliance control concepts and their components.
• Explain the difference between electro-mechanical controls and electronic controls
• Use wiring drawings to identify control circuitry and devices
• Explain gas appliance sequence of operation
• Troubleshoot electrical control circuits and components
The Training materials have been revised to include the following changes throughout the training units:
▪ Updated language to enhance student understanding
▪ Revised references and links to the most current legislation
▪ Revisions include new technologies used in the industry
▪ Updated look and feel