AAON RL-240 User Manual
Rl series, Installation, operation, & maintenance
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RL SERIES
Packaged Rooftop Units & 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
- RL Series Feature String Nomenclature
- General Information
- Installation
- Locating Units
- Curb Installation
- Duct Connection
- Lifting the Unit
- Reassembling Split Units
- Electrical Connection of Split Units
- Outside Air Rain Hood
- End Flashing Installation
- Vestibule Exhaust Fan
- Electrical
- Gas Heating
- Condensate Drain Piping
- Draw-Through Coils
- Hot Water/Steam Heating and Chilled Water Cooling Coils
- Evaporative-Cooled Condenser
- Startup
- Operation
- Maintenance
- Gas Heating
- Direct Fired Gas Heat
- Ignition Sequence of Operations:
- Safeties:
- Initial Start-up Procedure:
- First Firing or Restart after Extended Shut-down:
- General Maintenance Instructions:
- Inspection and Maintenance of Gas Ports:
- DX Cooling
- Condensate Drain Pans
- Supply Fans
- Filter Replacement
- Evaporative-Cooled Condenser
- Severe Service
- Safety
- Performance
- Warranties
- Condenser Tube Inspection
- Freeze Protection
- Recirculating Water System
- Pre Start-Up
- Cleanliness
- Storage
- Pump Operation
- Running
- Condenser Fan Motors
- Water Makeup Valve
- Water Treatment System
- Sequence of Operations
- Pump Maintenance
- Fan Motor Maintenance
- Access Doors
- Bearings - Lubrication
- Recommended Monthly Inspection
- Mist Eliminators
- Air Inlet
- Stainless Steel Base Pan
- Propeller Fans and Motors
- Recommended Annual Inspection
- Cleaning
- Water Quality
- Mechanical Cleaning
- Air-Cooled Condenser
- Replacement Parts
- AAON Customer Service Department
- RL Series Startup Form
- Maintenance Log
- Literature Change History