Haier 1U53RABFRA User Manual

SERVICE MANUAL
Wall Mounted Type
DC Inverter
1U26JACFRA
Model 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 serviceaproduct.
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
(Qingdao Haier Air Conditioner General corp.,Ltd)
All rights reserved. Unauthorized copying and distribution is a violation of law
Haier Group
Version V1 Date 2018-06-29
1U35JACFRA

Haier 1U53RABFRA Specifications

General

Brand	Haier
Model	1U53RABFRA
Category	Air Conditioner
Language	English

Summary

1. Introduction

1.1 Model Name Explanation

Explains the coding system used for model identification.

1.2 Safety Cautions

Provides critical safety guidelines for handling and repairing the unit.

2. Specifications

2.1 1U26JACFRA Specifications

Lists detailed technical specifications for model 1U26JACFRA.

2.2 1U35JACFRA Specifications

Lists detailed technical specifications for model 1U35JACFRA.

4. Piping Diagrams

6. PCB Diagram

6.1 PCB (1) Outdoor Control PCB

6.2 PCB (2) Module PCB

7. Functions and Control

7.1 Main Functions and Control Specification

Outlines the primary operational features and control logic of the unit.

7.1.5 Protection Functions

Explains various protection mechanisms designed to safeguard the unit.

7.2 Thermistor Values

10. Service Diagnosis

10.1 Cautions and Symptoms

Lists diagnostic cautions and common operational symptoms with initial checks.

10.3 Error Codes and Troubleshooting

Details error codes and systematic troubleshooting procedures for faults.

11. Performance and Curves Diagrams (1U26JACFRA)

11. Performance and Curves Diagrams (1U35JACFRA)

13. Circuit Diagrams

13.1 Outdoor Unit Control Board Diagrams

Provides detailed circuit schematics for the outdoor unit's control board.

14. Removal Procedure

15. Installation Manual

15.1 Installation Preparation

15.2 Wiring and Piping