Haier AU182XFERA User Manual

Haier AU182XFERA

65 pages

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No. 0150501212 B

Please read this manual carefully before using this air conditioner

Please keep this manual safely for future use

OUTDOOR UNIT

INVERTER

INSTALLATION MANUAL

EN

MANUALE DI INSTALLAZIONE

IT

MANUEL D’INSTALLATION

FR

INSTALLATIONSANLEITUNG

DE

MANUAL DE INSTALACIÓN

ES

R410A X-MULTI INVERTER

AU182XFERA

AU222XFERA

AU252XGERA

AU282XHERA

AU342XHERA

AU362XHERA

Table of Contents

Questions and Answers:

G
griffithsarahAug 16, 2025
Why does my Haier Air Conditioner show system high pressure protection?
- D
  Derrick CampbellAug 16, 2025
  If your Haier Air Conditioner system indicates high pressure protection, this could be due to several reasons: * The high pressure switch might be disconnected or activated. * The Tc (likely a temperature sensor) might be too high, coupled with a faulty outdoor fan motor during cooling. * Faulty indoor fan motors during heating could be the cause. * There might be an overabundance of refrigerant.
R
Rita MooreAug 19, 2025
What causes input overcurrent in a Haier Air Conditioner?
- E
  erobinsonAug 19, 2025
  An input overcurrent error in your Haier Air Conditioner can stem from: * An overcurrent in the system. * A broken current sensor. * Malfunctions with indoor or outdoor fan motors. * A faulty PCB (Printed Circuit Board). * Incorrect wiring or disconnected wires. * Incorrect address setting of indoor units. * A faulty power supply.
V
vrasmussenAug 21, 2025
Why is the compressor in my Haier Air Conditioner overheating?
- Z
  zgibsonAug 21, 2025
  If your Haier Air Conditioner's compressor is overheating, it may be due to: * A significant lack of refrigerant in the system. * An ambient temperature that is too high. * Blocked PMVs (Pulse Motor Valves).
M
montoyaelizabethAug 25, 2025
Why is the DC fan motor not working on my Haier Air Conditioner?
- F
  Francisco CarrAug 25, 2025
  If your Haier Air Conditioner's DC fan motor isn't working, it might be because: * The fan is physically blocked. * The terminal is disconnected from the PCB.
T
Troy Porter Jr.Aug 27, 2025
What causes a faulty 4-way valve on a Haier Air Conditioner?
- D
  diazjeffreyAug 27, 2025
  If the 4-way valve on your Haier Air Conditioner isn't switching correctly, it could be due to: * A disconnected coil on the 4-way valve. * A faulty outdoor PCB.
S
Sara JonesAug 30, 2025
What does EEPROM fault mean on my Haier Air Conditioner?
- A
  Amy BairdAug 31, 2025
  If your Haier Air Conditioner displays an EEPROM fault, this indicates a faulty outdoor unit PCB.
M
Michael LamSep 2, 2025
Why is the compressor locked on my Haier Air Conditioner?
- W
  William MoralesSep 2, 2025
  If your Haier Air Conditioner's compressor is locked, it could be due to a faulty compressor or SPDU.
J
James WyattSep 6, 2025
Why is the compressor vibration too big in my Haier Air Conditioner?
- S
  Scott BoyerSep 6, 2025
  If your Haier Air Conditioner's compressor is vibrating excessively, it is likely due to a faulty compressor.
W
williamsonwilliamSep 8, 2025
Why is the compressor failing to start in my Haier Air Conditioner?
- S
  Sean EdwardsSep 9, 2025
  If your Haier Air Conditioner's compressor isn't starting, it could be due to a faulty compressor or SPDU.
Z
zbridgesSep 12, 2025
What causes a broken compressor in a Haier Air Conditioner?
- A
  Aaron MurphySep 12, 2025
  If your Haier Air Conditioner's compressor is broken, it could be due to a faulty compressor or SPDU.

Haier AU182XFERA Specifications

General

Brand	Haier
Model	AU182XFERA
Category	Inverter
Language	English

Summary

Refrigerant Usage Information

Fluorinated Greenhouse Gases (R410A)

Details on R410A refrigerant, GWP, and Kyoto Protocol coverage.

Refrigerant Charge Labeling Guide

Instructions for filling out and applying the refrigerant charge label.

Outdoor Unit Installation Manual

Cautions and General Safety

General Safety and Operational Advice

Important observations for assembly, operation, and maintenance.

Installation Safety Guidelines

Professional Installation and Electrical Safety

Requirements for professional installation, electrical work, grounding, and wiring.

Site Safety and Environmental Precautions

Installation Process Overview

Installation Diagrams and Piping

Piping Connection and Insulation Diagram

Illustration of indoor and outdoor unit piping connections and insulation.

Unit Mounting and Drainage Setup

Indoor/Outdoor Unit Matching

AU182XFERA Compatibility Tables

AU222XFERA Compatibility Tables

AU252XGERA Compatibility Tables

AU282XHERA Compatibility Tables

AU342XHERA Compatibility Tables

AU362XHERA Compatibility Tables

Installation Procedure Steps

Power Source and Installation Limitations

Piping Work Limitations and Specifications

Refrigerant Piping Installation

Steps for selecting, connecting, and fastening refrigerant pipes.

Pipe Preparation and Drainage

System Purging and Vacuum Pump

Vacuum Pump Purging Procedure

Step-by-step guide on using a vacuum pump to purge the system.

Electrical Wiring Procedures

Wiring Guidelines and Terminal Connections

Outdoor Unit Wiring Instructions

Specific instructions for wiring power and communication lines to the outdoor unit.

Wiring Diagram: AU182XFERA/AU222XFERA/AU252XGERA

Wiring Diagram: AU282XHERA/AU342XHERA/AU362XHERA

Operational Testing and Verification

Test Running Procedures

Steps for conducting operational tests on the air conditioning system.

Final Installation Checklist

Troubleshooting Faults

Failure Codes and Diagnostic Solutions

Table listing failure codes, LED states, troubleshooting steps, and potential causes.

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