AAON CF Series User Manual

CF Series
Condenser and Condensing Units
Installation, Operation,
& Maintenance
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.
Keep a copy of this IOM with the
unit.
WARNING
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
UL-60335

AAON CF Series Specifications

General

Brand	AAON
Model	CF Series
Category	Heat Pump
Language	English

Summary

Installation, Operation, and Maintenance

Safety Warnings

Key safety warnings regarding fire, explosion, and qualified installer requirements.

AAON CF Series Features and Options

General Safety and Handling Precautions

Electrical Shock and Fire Hazards

Warnings about electric shock, fire, explosion, and proper servicing procedures.

Qualified Installer and Lockout Procedures

Emphasis on qualified technicians and proper lockout/tagout procedures.

Rotating Components and VFD Safety

Unit Handling and Piping Cautions

Unit Handling and Lifting Safety

Safety guidelines for lifting units and handling precautions.

PVC Piping Compatibility Warning

3-Phase Rotation and Leak Testing

Compressor and Coil Maintenance

Compressor Lubricant and Coil Cleaning

Compressor Operation and Cycling

Compressor Cycling Requirements

Specifies minimum ON/OFF times and start rate for compressor protection.

VFD Motor Overload Settings

VFD overload settings are factory-set and must not be bypassed.

Electrical Safety and Installation

Electric Shock Hazard Warning

Critical warning about electric shock and proper power disconnection.

3-Phase Rotation and Voltage Imbalance

Checks for correct 3-phase rotation and potential voltage imbalance issues.

Fuses, Circuit Breakers, and Startup

Fuse and Circuit Breaker Sizing

Pre-Startup Checklist Items

Essential checks to perform before unit startup for safety and operation.

Compressor Controls and Operation

Variable Capacity Compressor Controller

Compressor Lockouts and Settings

Maintenance Procedures

General Maintenance and Oil Level

Routine checks for pressures, sub-cooling, superheat, and critical oil levels.

Coil Cleaning Guidelines

E-Coated Coil Cleaning and Chloride Removal

Startup Procedures and Data Recording

CF Series Startup Form - Pre-Startup Checklist

Checklist for contractors to verify unit condition before startup.

Compressor and Condenser Fan Data Recording

Maintenance Log and Records

General Maintenance Log

E-Coated Coil Maintenance Record