AAON WHA-096 User Manual

WH Series
Horizontal Water-Source Heat Pump Unit
Installation, Operation
& Maintenance
If the information in this manual is not
followed exactly, a fire may result
causing property damage, personal
injury, or loss of life.
WARNING
QUALIFIED INSTALLER
Improper
installation, adjustment,
alteration, service,
or maintenance
can cause property damage,
personal injury or loss of life. Startup
and service must be performed by a
Factory Trained Service Technician.
Keep a copy of this IOM with the unit.
WARNING

AAON WHA-096 Specifications

General

Brand	AAON
Model	WHA-096
Category	Heat Pump
Language	English

Summary

Safety and Warnings

General Safety Precautions

Essential safety notes and warnings for unit operation and maintenance.

Electrical, Handling, and Water Safety

Warnings regarding electric shock, fire, unit handling, water freezing, and pressure.

Feature String Nomenclature

Unit Configuration and Model Codes

Explanation of codes defining unit configuration, models, and options.

Feature Option Decoding

Installation Procedures

Unit Placement, Mounting, and Draining

Electrical Connections

Power, Voltage, and Disconnect Wiring

Specifications for power supply, voltage, and disconnect switch wiring.

Thermostat and Control Wiring

Startup Procedures

Operation Limits, Fan Checks, and Airflow Adjustment

Refrigerant Charge Verification

Critical steps for checking and adjusting refrigerant charge.

Unit Operation

Controller and Expansion Board Functionality

Operational Sequences and Modes

Maintenance and Cleaning

System Checks and Component Cleaning

Coil Cleaning and Filter Replacement

Appendix A: Heat Exchanger Corrosion