WeatherMaster® High-Efficiency Single-Packaged Rooftop Units with EcoBlue™ Technology 50GC: Bi-monthly Maintenance

This bi-monthly procedure focuses your equipment's Combustion Air Blower. It also has the complete list to inspect the blower wheel.

MaintainX

10/24/2021

This bi-monthly procedure focuses your equipment's Combustion Air Blower. It also has the complete list to inspect the blower wheel.

Combustion Air Blower

Remove heat exchanger access panel. Shine a flashlight into opening to inspect wheel
If cleaning is required, remove motor and wheel assembly by removing screws holding motor mounting plate to top of combustion fan housing (Fig. 43 and 44).
The motor, scroll, and wheel assembly can be removed from the unit. Remove scroll from plate.
Remove the blower wheel from the motor shaft and clean with a detergent or solvent.
Replace motor and wheel assembly.