Learn how to properly install and troubleshoot LN and ULN gas furnaces focusing on set-up procedures, wiring configurations, static pressure, error flash codes, and installation tips. This class will cover single stage, 2-stage, variable speed, and communicating gas furnaces.

We will be thoroughly covering the technical information for various types of furnaces including:

• Electronic controls, variable speed blowers, variable speed inducers, 2-stage gas controls, modulating gas valves, and thermostats
• Single stage ECM (S8X1), 2-stage ECM (S8X2), variable speed (AUD2/S9V2), and communicating furnaces (AUD2-AC/AUHM)
• Wiring diagrams, fault codes, static pressure, and troubleshooting