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Haier AS82NF1HRA - User Manual

Haier AS82NF1HRA
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Domestic air conditioner
SERVICE MANUAL
Wall Mounted Type
DC Inverter FREE MATCH N-Series
Model No. AS82NF1HRA
This service information is designed for experienced repair technicians only and is not designed for use by the general public.
It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product.
Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any attempt to service or
Repair the product or products dealt with in this service information by anyone else could result in serious injury or death
WARNING
2016 (Qingdao Haier Air Conditioner General corp. , Ltd)
All rights reserved. Unauthorized copying and distribution is a violation of law
Haier Group
Version:V1 Date˖2016-05-03
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Summary

Introduction

Model Name Explanation

Explains the meaning of each part of the model number.

Safety Cautions

Caution in Repair

Provides critical warnings and precautions for performing repairs on the equipment.

Cautions Regarding Products after Repair

Details important safety considerations for after the product has been repaired or installed.

Inspection after Repair

Outlines necessary checks and inspections to be performed after the repair work is completed.

Using Icons

Explains the purpose and usage of icons in the manual for better comprehension.

Features

Specifications

Sensors List

Lists the types of sensors used in the unit and their basic descriptions.

Piping Diagrams

Cooling Mode

Illustrates the refrigerant flow and component layout during cooling operation.

Printed Circuit Board Connector Wiring Diagram

PCB (1) Indoor Control PCB

Details the connectors and their functions on the indoor unit's main control PCB.

Functions and Control

Main Functions and Control Specification

Provides an overview of the main operational functions and control specifications.

Cooling Operation Mode

Explains the temperature control, fan speed, and features specific to cooling mode.

Dehumidifying Mode

Details the temperature control, fan speed, and special functions for dehumidifying mode.

Indoor Fan Control

Describes manual and automatic fan speed selection and related operations.

Mute Operation

Urgent On;Off Input

Abnormal Operation of Indoor System

Fixed Frequency Operation

Value of Thermistor

System Configuration

Dimensional Drawings

Service Diagnosis

Problem Symptoms and Measures

Details common operational symptoms and provides corresponding troubleshooting steps and measures.

Error Codes and Description Indoor Display

Lists error codes displayed on the indoor unit and their corresponding fault descriptions.

Thermistor or Related Abnormality

Explains thermistor-related errors, detection methods, and troubleshooting steps.

Indoor AC Fan Motor Malfunction

Details malfunctions of the indoor AC fan motor, detection methods, and troubleshooting.

Outdoor DC Fan Motor Fault

IPM Protection

Over-current of the Compressor

The Communication Fault Between IPM and Outdoor PCB

Power Supply Over or Under Voltage Fault

Overheat Protection for Discharge Temperature

The Communication Fault Between Indoor and Outdoor

Loss of Synchronism Detection

High Work-Intense Protection

Circuit Diagrams

Removal Procedure

Remove of Front Panel

Step-by-step guide on how to remove the front panel of the indoor unit.

Remove the Air Filters and Horizontal Flap

Guides on removing air filters and the horizontal flap from the indoor unit.

Remove the Casing

Outlines the procedure for removing the main casing of the indoor unit.

Release Stepping Motor and the Control Box

Describes loosening screws to remove the stepping motor and control box.

Removal of Heat Exchanger

Provides steps for loosening screws and releasing the heat exchanger mounting plate.

Remove Fan Motor

Guides on loosening screws and releasing the fan motor cover.

Summary

Introduction

Model Name Explanation

Explains the meaning of each part of the model number.

Safety Cautions

Caution in Repair

Provides critical warnings and precautions for performing repairs on the equipment.

Cautions Regarding Products after Repair

Details important safety considerations for after the product has been repaired or installed.

Inspection after Repair

Outlines necessary checks and inspections to be performed after the repair work is completed.

Using Icons

Explains the purpose and usage of icons in the manual for better comprehension.

Features

Specifications

Sensors List

Lists the types of sensors used in the unit and their basic descriptions.

Piping Diagrams

Cooling Mode

Illustrates the refrigerant flow and component layout during cooling operation.

Printed Circuit Board Connector Wiring Diagram

PCB (1) Indoor Control PCB

Details the connectors and their functions on the indoor unit's main control PCB.

Functions and Control

Main Functions and Control Specification

Provides an overview of the main operational functions and control specifications.

Cooling Operation Mode

Explains the temperature control, fan speed, and features specific to cooling mode.

Dehumidifying Mode

Details the temperature control, fan speed, and special functions for dehumidifying mode.

Indoor Fan Control

Describes manual and automatic fan speed selection and related operations.

Mute Operation

Urgent On;Off Input

Abnormal Operation of Indoor System

Fixed Frequency Operation

Value of Thermistor

System Configuration

Dimensional Drawings

Service Diagnosis

Problem Symptoms and Measures

Details common operational symptoms and provides corresponding troubleshooting steps and measures.

Error Codes and Description Indoor Display

Lists error codes displayed on the indoor unit and their corresponding fault descriptions.

Thermistor or Related Abnormality

Explains thermistor-related errors, detection methods, and troubleshooting steps.

Indoor AC Fan Motor Malfunction

Details malfunctions of the indoor AC fan motor, detection methods, and troubleshooting.

Outdoor DC Fan Motor Fault

IPM Protection

Over-current of the Compressor

The Communication Fault Between IPM and Outdoor PCB

Power Supply Over or Under Voltage Fault

Overheat Protection for Discharge Temperature

The Communication Fault Between Indoor and Outdoor

Loss of Synchronism Detection

High Work-Intense Protection

Circuit Diagrams

Removal Procedure

Remove of Front Panel

Step-by-step guide on how to remove the front panel of the indoor unit.

Remove the Air Filters and Horizontal Flap

Guides on removing air filters and the horizontal flap from the indoor unit.

Remove the Casing

Outlines the procedure for removing the main casing of the indoor unit.

Release Stepping Motor and the Control Box

Describes loosening screws to remove the stepping motor and control box.

Removal of Heat Exchanger

Provides steps for loosening screws and releasing the heat exchanger mounting plate.

Remove Fan Motor

Guides on loosening screws and releasing the fan motor cover.

Haier AS82NF1HRA Specifications

General IconGeneral
BrandHaier
ModelAS82NF1HRA
CategoryAir Conditioner
LanguageEnglish

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