Haier 1U24RE8ERA User Manual

SERVICE MANUAL
Wall Mounted Type
DC Inverter
1U24RE8ERAModel No.
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
2015 (Qingdao Haier Air Conditioner General corp. , Ltd)
All rights reserved. Unauthorized copying and distribution is a violation of law
Haier Group
Version˖V1 Date˖2015-12-05

Haier 1U24RE8ERA Specifications

General

Brand	Haier
Model	1U24RE8ERA
Category	Air Conditioner
Language	English

Summary

Introduction

Safety Cautions

Details critical safety warnings and precautions for repair technicians.

Specifications

Piping Diagrams

Printed Circuit Board Connector Wiring Diagram

PCB(1) (Control PCB)

Details connectors for the main control PCB, including power and communication.

PCB (2) (Module PCB)

Functions and Control

Main Functions and Control Specification

Covers compressor frequency control, fan control, and EEV operation.

Service Diagnosis

Caution for Diagnosis

General warnings and guidelines before performing diagnostic procedures.

Problem Symptoms and Measures

Lists common operational issues and recommended checks or solutions.

Error Codes and Description

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

Performance and Curves Diagrams

Circuit Diagrams

Outdoor Unit Control Board

Module Board Circuit Diagram