AAON RN-140 User Manual
Rn series, Installation, operation, & maintenance

RN SERIES
Packaged Rooftop Units, Heat Pumps,
& Outdoor Air Handling Units
Installation, Operation,
& Maintenance
o Do not store gasoline or other flammable
vapors and liquids in the vicinity of this or any
other appliance
o WHAT TO DO IF YOU SMELL GAS
Do not try to light any appliance.
Do not touch any electrical switch; do not
use any phone in your building.
Leave the building immediately.
Immediately call your gas supplier from a
phone remote from the building. Follow the
gas supplier’s instructions.
If you cannot reach your gas supplier, call
the fire department.
o Startup and service must be performed by a
Factory Trained Service Technician.
WARNING
FIRE OR EXPLOSION HAZARD
Failure to follow safety warnings
exactly could result in serious
injury, death or property damage.
Be sure to read and understand
the installation, operation, and
service instructions in this manual.
Improper installation, adjustment,
alteration, service, or maintenance
can cause serious injury, death, or
property damage.
A copy of this IOM should be kept
with the unit.
WARNING
Document Outline
- Safety
- RN Series Feature String Nomenclature
- General Information
- Installation
- Locating Units
- Setting the Curb
- Forklifting the Unit (6-25 and 30 ton)
- Lifting the Unit
- Duct Connection
- Seismic Curb Installation
- Outside Air Rain Hood
- End Flashing Installation
- Metal Mesh Filters (6-25 and 30 ton Units)
- Electrical
- Gas Heating
- Refrigerant-to-Water Heat Exchanger
- Condensate Drain Piping
- Heating Coils
- Chilled Water Coil
- Electric Preheat
- Energy Recovery Units
- Startup
- Operation
- Maintenance
- Gas Heating
- Gas Heat Exchanger Removal
- DX Cooling
- Condenser Fans (6-25 and 30 ton)
- Condensate Drain Pans
- Evaporator Coil (6-25 and 30 ton)
- Brazed Plate Heat Exchanger Cleaning
- E-Coated Coil Cleaning
- Microchannel Coil Cleaning
- Supply Fans
- Phase and Brownout Protection
- Variable Capacity Compressor Controller
- Filter Replacement
- Replacement Parts
- Appendix A - Heat Exchanger Corrosion Resistance
- Appendix B - Thermistor Temperature vs. Resistance Values
- RN Series Startup Form
- Maintenance Log
- Literature Change History