AAON RN Series User Manual

RN SERIES
(6-140 tons)
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 must be kept
with the unit.
WARNING

AAON RN Series Specifications

General

Category	Heat Pump
HSPF	Up to 10.0
Refrigerant	R-410A
Compressor Type	Scroll
Efficiency	High
Series	RN
Voltage Options	208-230/460V
Unit Weight	Varies with model
Dimensions	Varies with model

Summary

Safety

RN Series Feature String Nomenclature

Model Option A: Cooling/Heat Pump

Details on cooling and heat pump configurations, including refrigerant style.

Model Option B: Heating

Details on heating types and staging for the unit.

Feature 6: Filters

Details on pre-filters and unit filters, including types and sizes.

Feature 10: Power Options

Electrical power options, including circuit breakers and switches.

General Information

Codes and Ordinances

Details on testing and certification by ETL and compliance with industry standards.

Installation

Locating Units

Guidance on properly positioning the unit for installation, considering clearances.

Setting the Curb

Instructions for mounting the curb, ensuring proper fit and levelness.

Forklifting the Unit

Guidelines for safely lifting the unit using a forklift, including fork size requirements.

End Flashing Installation

Procedure for installing sheet metal end flashings to ensure a watertight seal.

Electrical

Variable Speed Compressors

Information on variable speed compressors, including VFD ranges and limitations.

Thermostat Control Wiring

Guidelines for wiring thermostats and control signals, including wire distance limitations.

Startup

Filters and Supply Fans

Startup checks for filters and supply fans, including airflow adjustments.

Fan Adjustments and Control

Procedures for adjusting fan pitch, ECM/VFD startup, and fan cycling switch.

Refrigerant Charge and Superheat

Guidelines for adjusting refrigerant charge, sub-cooling, and superheat.

Operation

Thermostat Operation

How to operate the unit using the thermostat for heating, cooling, and circulation.

Packaged DX Cooling Operation and Control

Details on operating and controlling packaged direct expansion (DX) cooling units.

Gas Heating

Instructions for operating the gas heating system, including safety precautions.

Maintenance

Fan and Motor Maintenance

Maintenance for supply fans, including lubrication and motor/belt removal.

Coil Cleaning

Procedures for cleaning DX, brazed plate, e-coated, and microchannel coils.

Energy Recovery Wheel Maintenance

Cleaning and maintenance procedures for energy recovery wheels.

Filter Replacement

Instructions for monthly inspection and replacement of air filters.

Replacement Parts

RN Series Startup Form

Maintenance Log

Maintenance Log (E-Coated Coil)

Record for tracking maintenance activities performed on e-coated coils.

Literature Change History