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AAON RL Series User Manual

AAON RL Series
36 pages
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1
INSTALLATION, SERVICE
&
OWNERS INFORMATION MANUAL
!
WARNING
If the information in this manual is not followed
exactly, a fire or explosion may result causing
property damage, personal injury or loss of life.
FOR YOUR SAFETY
DO NOT STORE OR USE GASOLINE OR OTHER
FLAMMABLE VAPORS AND LIQUIDS IN THE
VICINITY OF THIS OR ANY OTHER APPLIANCE.
• EXTINGUISH ANY OPEN FLAME.
• DO NOT TOUCH ANY ELECTRICAL SWITCH.
• DO NOT TRY TO LIGHT ANY APPLIANCE.
• DO NOT USE ANY PHONE IN YOUR BUILDING.
• IMMEDIATELY CALL YOUR GAS SUPPLIER FROM A
NEIGHBOR'S PHONE. FOLLOW THE GAS SUPPLIER'S
INSTRUCTIONS.
• IF YOU CANNOT REACH YOUR GAS SUPPLIER,
CALL THE FIRE DEPARTMENT.
FOR YOUR SAFETY
WHAT TO DO IF YOU SMELL GAS
AAON
®
RL SERIES
HEATING • COOLING & COMBINATION
ROOFTOP UNITS
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AAON RL Series Specifications

General IconGeneral
BrandAAON
ModelRL Series
CategoryAir Conditioner
LanguageEnglish

Summary

Owner's Information and Warnings

System Failure and Warranty Warnings

Information on consequences of improper operation, including premature failure and voided warranty.

Installation Procedures

Installation Safety Warning

Warning about property damage, injury, or death from improper installation or service.

Combustible Insulation Warning

Warning that insulation materials used in the unit may be combustible.

Unit Section Splicing Procedure

Detailed steps for joining two separately shipped unit sections to form a single unit.

Motor and Compressor Rotation Caution

Caution to check rotation of all motors and compressors, especially scroll compressors.

Gas Piping Installation Requirements

Guidelines for sizing, installing, and connecting gas piping according to codes and standards.

Gas Leak Testing Safety

Warning against using open flame for gas leak testing and proper pressure testing procedures.

Startup Odor and Gas Sensitivity Warning

Warning for individuals sensitive to odors or gases during initial startup of gas-fired units.

Rain Hood Installation Safety

Warning that rain hoods must be installed before initial startup of gas-fired heaters.

Gas Unit Lighting Instructions

Safety and operating instructions for lighting the gas burner on the unit.

Gas Unit Lighting Operating Steps

Step-by-step procedure for lighting the gas burner, including safety checks.

Unit Startup Procedures

Startup Electrical Safety Warning

Warning about electrical hazards during service or maintenance and the need to shut off power.

Technician Startup Checks

Mandatory checks for startup technicians, including motor amperage and voltage verification.

Periodic Inspections and Maintenance

Annual Heating System Inspection Safety

Warning for a qualified technician to inspect flue areas and burners annually for safe operation.

Servicing and Maintenance

Refrigerant Filter Drier Maintenance

Details on replacing refrigerant filter driers based on pressure drop or moisture indication.

Coil, Blower, and Filter Cleanliness Importance

Emphasis on keeping coils, blowers, and filters clean for proper unit operation.

Evaporative Condenser Operation and Maintenance

Evaporative Condenser Pre-Startup Water Treatment

Mandatory step to install proper water treatment chemicals before starting the condenser or compressors.

Water Quality Guidelines

Guidelines for maintaining recirculating water quality parameters like pH, hardness, and TDS.

Troubleshooting Guide

Electric Heating Troubleshooting

Common causes and solutions for electric heating system issues like system off or no heat.

Gas Heating Troubleshooting

Common causes and solutions for gas heating system issues like burner not coming on or ignition failure.

Steam and Hot Water Heating Troubleshooting

Common causes and solutions for steam and hot water heating system problems.

Cooling Unit Fan and Compressor Troubleshooting

Troubleshooting major cooling issues related to fans and compressors.

Chilled Water Cooling Troubleshooting

Troubleshooting steps for chilled water cooling systems, including system off and blower issues.

Compressor Checkout Procedure

Compressor Operation Issues

Troubleshooting steps for when the compressor runs but provides poor cooling, or cycles incorrectly.

Ignition Control Checkout Procedure

Ignition Spark Present, Burner Not Lighting

Troubleshooting steps when spark is present but the burner fails to light.

No Spark During Call for Heat

Troubleshooting steps when no spark is generated during a call for heat.

Ignition Control Lockout Troubleshooting

Steps to troubleshoot and reset the ignition control if it has entered lockout mode.

Startup Forms and Checklists

Unit Lifting Details

Rigging at Marked Lifting Points Warning

Critical warning to rig the unit only at the marked lifting points for safety.

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