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Haier AU082FYCRA(HW) User Manual

Haier AU082FYCRA(HW)
112 pages
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ATW Service Manual
SYJS-03-2019REV.A
Edition: 2019-03

Table of Contents

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Haier AU082FYCRA(HW) Specifications

General IconGeneral
Heating Capacity2.5 kW
Energy Efficiency Ratio (EER) / Cooling3.21
Seasonal Energy Efficiency Ratio (SEER)6.1
RefrigerantR32
Weight (Indoor Unit)9 kg
Cooling energy efficiency classA++
Heating energy efficiency classA+
Power Supply220-240V, 50Hz
Noise Level (Outdoor)50 dB

Summary

1. Outdoor Units Lineup

2. Nomenclature

3. Feature

4. Description Of Main Components

Structure

Describes materials and basic construction of the unit's housing.

Air cooled coils

Details the design and material of the air cooling coils for efficient heat exchange.

Fan motor

Explains the type and features of the axial-flow fan motor for heat exchange.

Hydraulic module

Describes the integrated hydraulic components like heat exchangers and pumps.

Power and control electrical panel

Details the electrical panel construction and compliance with standards.

5. Specifications

6. Dimensions

7. Piping Diagram

8. Wiring Diagram

9. Electric Characteristics

10. Capacity Tables

11. Operation Limits and Fouling Factors

Delivery-Leaving Operation Limits

Specifies operating limits for delivery and leaving conditions.

Fouling Factor Corrections

Details how fouling factors affect performance data.

12. Water Pressure Drop

13. Sound Level

14. Installation

Regulatory Compliance and Refrigerant Handling

Details compliance with EU directives and refrigerant usage guidelines.

14.1 Safety Precautions

Outlines critical safety precautions for operation and installation.

Installation Procedures and Checks

Covers fixing, inspection, and related procedures.

Maintenance Procedures and Principles

Details maintenance principles, components, and environment.

14.3 Transportation and Lifting

Lifting, Hoisting, and Manual Handling

Covers safe methods for lifting, hoisting, and manually moving the unit.

14.4 Installation Instructions

Installation Place Selection

Guidelines for selecting an appropriate and safe installation location.

Installation and Maintenance Space

Specifies required clearances and spaces for installation and maintenance.

Installation Precautions

Details precautions to be taken during the installation process.

Drain Work and Hydraulic Circuit

Instructions for unit drainage and hydraulic circuit requirements.

15. PCB Photo

16. Dip Switch Settings

BM1 Dip Switch Configuration

Settings for control type, model selection, and power options.

BM2 Dip Switch Configuration

Settings for heat exchange type, control mode, and running modes.

17. Digital Tube Display

18. Startup, Running, and Maintenance

Initial Startup Procedures

Steps for preparing and starting the unit for the first time.

Operating Parameters and Alarms

Explains operating modes, alarms, and fan/pump controls.

Maintenance Procedures

Covers routine, extraordinary maintenance, chemical washing, and refrigerant handling.

19. Wired Controller (YR-E27) Operation

19.1 Interface Display Overview

Describes the display layout and icons on the wired controller.

19.2 Key Functions and Icons

Explains the function of each button and system icon.

19.3 Controller Operation Modes

Details basic and special function operations for the controller.

19.4-19.6 Controller Settings and Wiring

Covers week/clock settings, dip switches, and wiring instructions.

20. Error Codes and Standby Reasons

Error Code Definitions

Lists error codes, their definitions, and notes for troubleshooting.

Standby Codes and Reasons

Details standby codes, their associated reasons, and notes.

21. Troubleshooting

Temperature Sensor Failures

Flowchart for diagnosing and resolving temperature sensor issues.

System Water Flow Protection

Flowchart for diagnosing and resolving water flow protection issues.

High/Low Pressure Sensor Failures

Flowcharts for diagnosing and resolving high/low pressure sensor failures.

High Pressure Switch Failure

Flowchart for diagnosing and resolving high pressure switch failures.

22. APPENDIX Sensor Resistance Table

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