Gas Trade Unit 13: Controls

TSSA G2 Certification - Practice Questions & Chapter Reviews

📋 Certification Level: TSSA G2 (Gas Technician 2 - Intermediate)
⚠️ Prerequisites: G3 Certification + 2 Years (4,000 hours) Experience

Master Gas Trade Unit 13 with free CSA B149.1-25 compliant practice questions for the TSSA G2 certification exam. This unit covers control systems for gas appliances including control fundamentals, control circuits, integrated systems, servicing procedures, and advanced troubleshooting techniques.

📖 What This Unit Covers

Gas Trade Unit 13 focuses on control systems and automation:

  • Chapter 1: Fundamentals of Controls - Control types (thermostats, limit switches, safety controls, pressure switches), sensing elements, and operating principles
  • Chapter 2: Control Circuits - Sequencing logic, ladder diagrams, control wiring, and integrated control systems
  • Chapter 3: Servicing and Troubleshooting - Diagnostic procedures, control testing, fault diagnosis, and repair techniques

🎯 TSSA G2 Exam Relevance

CSA Code Reference: CSA B149.1-25 Section 7 (Appliance Controls and Safety Devices)

Exam Coverage: Control systems appear in approximately 18-22% of G2 exam questions. Understanding control logic and troubleshooting is essential for intermediate-level certification.

💡 Study Tips for Unit 13

  • Learn control types: thermostats, limit switches, safety controls, and their applications
  • Master sequencing logic and understand control circuit operation
  • Practice troubleshooting control failures using systematic diagnostic procedures
  • Study integrated control systems and electronic control boards
  • Understand the relationship between controls and overall appliance safety

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📖 Related Gas Trade Training Units

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Unit 12: Electrical Systems

Review electrical fundamentals before studying control systems

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Unit 14: Building as a System

Continue with building interactions and system effects

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All G2 Units

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🚀 Next Steps in Your TSSA G2 Preparation

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Work through all G2 units to ensure comprehensive intermediate certification readiness.

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📖 Study CSA B149.1-25 Code

Deep dive into CSA B149.1-25 Section 7 requirements for control systems.

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📚 Additional G2 Study Resources

⚠️ Educational Resource Disclaimer: This practice test is an independent educational resource designed to help students prepare for the TSSA G2 certification exam. These materials are based on CSA B149.1-25 requirements but are not official TSSA materials. G2 certification requires G3 prerequisite plus 2 years (4,000 hours) documented experience. Always refer to the official CSA B149.1-25 code and current TSSA guidelines for authoritative information. LARK Labs is not affiliated with TSSA or CSA Group.