Aaon HVAC Unit RN-009-2-0-FA

Has the need for cleaning been confirmed by a qualified service agency?

Has consultation with an AAON Service representative been completed?

Ensure cleaning is performed by a qualified service agency.

Describe any issues identified during cleaning.

Was the cleaning process completed successfully?

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

Check the gas pipe in the unit for leaks before startup.

Disconnect all wiring on the heat exchanger.

Disconnect flex gas lines and pull out of the way.

Remove screws around the perimeter of the heat exchanger face plate that connect it to the unit. Only the outermost screws should be removed.

Pull the heat exchanger straight back and out of the unit.

Was it necessary to remove some of the control door jambs?

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

Filter Inspection and Replacement

Open access door and pull filters straight out to inspect all of the filters.

Inspect the following filters for replacement

Replace filters with the size indicated on each filter or as shown in the tables below.

Ensure the arrow on the replacement filters points towards the blower.

Gather necessary tools and equipment

Inspect the following components for wear and tear

Record the operating pressure of the unit

Is the operating pressure within the normal range?

Check for debris in the vent outlet

Is the vent outlet clear of debris?

Clean the vent outlet if debris is found

Was the vent outlet cleaned successfully?

Check vent outlet each time air filters are changed