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The New HSI Module from White Rodgers

Jim Fultz returns to the podcast to talk about the new HSI module from White-Rodgers, the 50E47U-843. You can learn more about this new universal HSI module at https://hvacrschool.com/hsimodule.

Hot surface ignition modules control the burner for gas appliances that use hot surface ignition, not just furnaces. Since the HSI module doesn't need to work with a blower fan, it can be used in water heaters, pool heaters, and many more appliances that don't primarily move air (except for combustion). It also controls the inducer blower and monitors the pressure switch.

All White-Rodgers universal ignition modules work with the WR Connect app, which allows users to set up controls with a smartphone via NFC technology. The controls do not need to be powered on, and users do not need to be online during use. Users can also use the app to auto-configure their new White-Rodgers controls based on the old control settings. Technicians aren't required to use the app and can configure controls manually if desired.

Universal controls that all operate similarly, like the White-Rodgers ignition modules, are great for creating a consistent workflow and establishing truck stock. In HVAC businesses and in the field, these modules are great for delivering efficiency and quality. The 50E47U-843 also shows real-time flame current, eliminating the need for technicians to wire flame sensors in series with their meter for testing.

Jim and Bryan also cover:

  • Emerson, Copeland, and White-Rodgers
  • Hot surface ignition vs. other types of ignition
  • Integrated furnace controls (IFCs)
  • How near-field communication (NFC) technology works
  • Fault codes
  • Electrical inputs and outputs
  • Local vs. remote flame sensing
  • Integrated thermostat sensor for infrared and tube heaters
  • WR Connect, WR Mobile, and Copeland Mobile apps

Learn more about the 5th Annual HVACR Training Symposium at https://hvacrschool.com/Symposium24.

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