Defy AH12H3 User Manual

Page 1
INDOOR
UNITS
AH12H3
AH18H3
AH24H3
OUTDOOR
UNITS
AC12H3
AC18H3
AC24H3
Do not attempt to install or maintain the Air Conditioner yourself. Only authorised
agents are to carry out installation and repairs. The manufacturer shall not assume
responsibility for accidents or injury caused by incorrect installation. The installation
instructions are provided in a separate booklet entitled “Installation Instructions”
SPLIT WALL MOUNTED TYPE
AIR CONDITIONERS
Users Manual
Record in the space below the listed information for future reference. The rated current is
printed on the serial number label attached to the oven side trim.
SERIAL NUMBER…………………………………………………………………………………..
DATE OF PURCHASE……………………………………………………………………………...
PURCHASED FROM………………………………………………………………………………..
………………………………………………………………………………………………………….
The manufacturer strives for continuous
improvement. For this reason, the text and
illustrations in this manual are subject to change
without notice.

Defy AH12H3 Specifications

General

Brand	Defy
Model	AH12H3
Category	Air Conditioner
Language	English

Summary

Important Safety Information

General Safety Warnings

Key warnings and precautions for safe operation to prevent injury or damage.

Maintenance and Cleaning

Air Filter Maintenance

Trouble Shooting

Common Operational Problems

Troubleshooting steps for issues like unit non-operation or poor performance.

Installation

Installation Overview and Safety

Key installation notices, safety requirements, and location guidelines.

Mounting and Electrical Requirements

Guidelines for mounting structures, electrical safety, and power supply.

Indoor Unit Mounting and Wall Penetration

Piping and Drain Connections

Outdoor Unit Installation and Piping Connection

System Air Expulsion and Vacuum Pumping

Procedures for expelling air and performing vacuum pumping for refrigerant.

Post Installation Checks and Test Operation

Final checks, safety verification, and test operation procedures.