Aaon Rooftop Unit RL-230

Turn off power to the unit before opening the access door

Filter Inspection and Replacement

Inspect the following for obstructions to air flow

Check and inspect filters for dirt and damage

Are the filters dirty or damaged?

Replace or clean filters with the same size as indicated on the filters

Ensure all filters are in place before operating the unit

Is the bearing at normal operating temperature?

Select the appropriate grease based on temperature conditions

Shut off all electrical power to the unit to avoid shock hazard or injury from rotating parts

Ensure the following components are clean

Inspect unit interior at the beginning of each heating and cooling season

Describe any issues found during inspection

Remove contaminants from exterior

Ensure motor air inlet and outlet are open

Blow out interior of open motors with clean compressed air at low pressure

Ensure original clearances are held

Fasten all plugs, screws, and other hardware securely

Ensure parts replacements are exact duplicates or approved equals

Confirm Underwriters’ Laboratories label is valid

Shut off water to float valve and open the drain connection for flushing of the sump

Water Level and Distribution System

Inspect the water distribution system to ensure nozzles and spray orifices are functioning correctly