Controls, Ignition Systems and Wiring Diagrams
The gas valves, ignition systems and electronic controls that keep appliances safe.
GAS-220 12 lessons planned ▶ Video lessons coming soon
Offered by HSM University · Gasfitting
Course content
- 1Why gas appliances need safety controlsComing
- 2Standing pilots and thermocouplesComing
- 3Gas valves and their partsComing
- 4Intermittent pilot ignitionComing
- 5Hot surface and direct spark ignitionComing
- 6Flame rectification and flame sensingComing
- 7Pressure switches and draft inducersComing
- 8Limit and rollout switchesComing
- 9Integrated furnace control boards and fault codesComing
- 10Reading appliance wiring diagramsComing
- 11Sequence of operation and troubleshootingComing
- 12Case study: chasing an intermittent lockoutComing
Requirements
Recommended background. You can start any course at any time.
Description
The gas valves, ignition systems and electronic controls that keep appliances safe.