Aaon Rooftop Unit RL-125

General Unit Surface Inspection

Complete a general inspection of the unit surface

Check for surface corrosion in spot areas

Wire brush and clean thoroughly any corroded areas

Resurface cleaned areas with rust inhibitive paint

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

Ensure the bearing is at normal operating temperature but not running

Select the appropriate grease based on temperature

Check for any signs of over-lubrication

Confirm that the lubrication schedule is updated

Evaporator Coil Inspection and Cleaning

Inspect evaporator coil for obstructions to air flow

Clean evaporator coil if necessary

Condenser Coil Inspection and Cleaning

Inspect condenser coil for obstructions

Is additional cleaning required due to location or outdoor air conditions?

Check condensate drain at start of cooling season

Shut off all electrical power to the unit

Ensure no rotating parts are in motion

Check that all the parts are in place