Haier 1U35JACFRA 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 1U35JACFRA Specifications

General

Type	Split AC
Refrigerant	R32
Star Rating	3 Star
Compressor Type	Rotary
Power Supply	220-240V, 50Hz
Cooling Capacity	3500 W
Operating Temperature (Cooling)	43°C

Summary

Haier SERVICE MANUAL

1.2 Safety Cautions

1.2.1 Caution in Repair

Specific warnings and precautions to follow during repair work.

1.2.2 Cautions Regarding Products after Repair

Safety guidelines to observe after the repair process is completed.

1.2.3 Inspection after Repair

Essential checks to perform after the repair is done to ensure safety and functionality.

2. Specifications - 1U26JACFRA

2. Specifications - 1U35JACFRA

3. Sensors List

6. PCB Diagram

7. Functions and Control

7.1 Control Specifications

7.1.3 Expansion Valve and 4-Way Valve Control

7.1.5 Protection Functions

Details various protection mechanisms to prevent damage and ensure safe operation.

10. Service Diagnosis

10.1 Diagnostic Procedures

Covers cautions, common symptoms, troubleshooting measures, and component parameters.

10.3 Error Codes and Fault Diagnosis

Lists error codes and provides diagnostic flowcharts for various faults.

10.4 Outdoor Unit Checks

10.5 Compressor Faults

Troubleshooting specific compressor issues like synchronism and position detection.

12. Circuit Diagrams

12.1 Outdoor Unit Control Board Diagram

Detailed schematic of the outdoor unit's main control board.

12.2 Module Board Diagram

Schematic diagram of the module control board.

REMOVAL PROCEDURE

Safety and Installation Precautions

Installation Manual of Room Air Conditioner

Outdoor Unit Installation and Connections

Final Installation Checks and Procedures