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Gree VIR18HP230V1B User Manual

Gree VIR18HP230V1B
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GREE ELECTRIC APPLIANCES,INC.OF ZHUHAI
Change for Life
Service Manual
Models:
GWC18QD-D3DNA1D
VIR18HP230V1B
GWC24QE-D3DNA1D
VIR24HP230V1B
(Refrigerant
:
R410A)
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Gree VIR18HP230V1B Specifications

General IconGeneral
BrandGree
ModelVIR18HP230V1B
CategoryAir Conditioner
LanguageEnglish

Summary

Part I : Technical Information

2. Specifications

Details the technical specifications for cooling, heating, power, and physical dimensions.

3. Outline Dimension Diagram

Illustrates the physical dimensions and layout of the indoor and outdoor units.

Part II : Installation and Maintenance

7. Installation and Maintenance Notes

Provides essential safety precautions and guidelines for installation and maintenance.

8. Installation Procedures

Outlines the step-by-step process for installing the indoor and outdoor units.

9. Maintenance

9.1 Maintenance Precautions

Details crucial safety measures and procedures before performing maintenance.

9.2 Error Code List

Lists error codes displayed by the unit and their corresponding causes and troubleshooting.

9.3 Troubleshooting for Main Malfunction

Provides guidance for diagnosing and resolving major malfunctions in the unit.

Part I : Technical Information

1. Summary

Provides a concise overview of the air conditioning unit models and components.

2. Specifications

Details the technical specifications for cooling, heating, power, and physical dimensions.

Part I : Technical Information

2.1 Specification Sheet

Details the technical specifications for cooling, heating, power, and physical dimensions.

2.2 Operation Characteristic Curve

Illustrates performance curves related to compressor speed and current draw.

Part I : Technical Information

5. Electrical Part

Covers the electrical connections, including wiring and PCB diagrams.

5.1 Wiring Diagram

Illustrates the electrical connections and wiring layout for the unit.

Part I : Technical Information

2.4 Noise Curve

Displays noise levels for indoor and outdoor units based on fan speed and frequency.

2.5 Cooling and Heating Data Sheet in Rated Frequency

Provides detailed cooling and heating performance data under rated conditions.

Part I : Technical Information

3. Outline Dimension Diagram

Illustrates the physical dimensions and layout of the indoor and outdoor units.

3.1 Indoor Unit

Shows the dimensions and mounting details for the indoor unit.

Part I : Technical Information

4. Refrigerant System Diagram

Depicts the flow of refrigerant through the indoor and outdoor units.

Part I : Technical Information

5.2 PCB Printed Diagram

Shows the layout and component identification on the printed circuit board.

6. Function and Control

6.1 Remote Controller Introduction

Introduces the buttons and display icons of the remote controller.

6. Function and Control

Remote Controller Buttons

Explains the function of each button on the remote controller.

Display Screen Icons

Describes the meaning of various icons shown on the remote controller's display screen.

Function Introduction for Combination Buttons

Energy-saving Function

Describes how to activate and use the energy-saving mode.

8°C Heating Function

Details the procedure to activate the 8°C heating function for low-temperature protection.

6.2 Brief Description of Modes and Functions

Basic System Functions

Explains the operation of Cooling, Drying, Heating, AUTO, and Fan modes.

Other Control Functions

Covers additional control functions like Buzzer, Auto button, Auto fan, Sleep, Timer, Memory, and Health functions.

3. Special Functions

Defrosting Control

Explains the conditions and procedures for starting and finishing the defrosting operation.

Control Logic

Details the control logic for compressor, outer fans, and 4-way valve operations.

Protection Functions

Frozen-Preventing Protection

Explains protection measures against freezing conditions, including frequency limits and power turn-off.

Overload Protection (Cooling/Dehumidifying)

Describes overload protection logic for cooling and dehumidifying modes, including frequency limits and power turn-off.

Protection Functions

Voltage Sag Protection

Details protection against voltage sags in the DC link.

Communication Fault Protection

Explains protection measures for communication failures between units.

Module Protection

Covers module protection and overheating protection for the unit.

Part II : Installation and Maintenance

7. Installation and Maintenance Safety Precautions

Emphasizes critical safety warnings and precautions for installation and maintenance work.

Electrical Safety Precautions

Lists essential safety measures related to electrical connections and power handling.

Main Tools for Installation and Maintenance

8.2 Installation Parts-checking

Lists the parts to be checked before proceeding with the installation.

8.3 Installation Location Selection

Provides guidelines for selecting the optimal installation location for both indoor and outdoor units.

8. Installation

8.1 Installation Dimension Diagram

Illustrates the required clearances and dimensions for installing the indoor and outdoor units.

Installation Procedures

Overall Installation Workflow

Outlines the overall workflow for installing the air conditioning unit.

Part II : Installation and Maintenance

8.4 Electric Connection Requirement

Details the necessary electrical connections, including safety and grounding requirements.

8.5 Installation of Indoor Unit

Install Wall-mounting Frame

Step-by-step instructions for installing the wall-mounting frame for the indoor unit.

Connect Indoor Unit Pipes

Details the process of connecting the refrigerant pipes to the indoor unit.

8.6 Installation of Outdoor Unit

Fix Support of Outdoor Unit

Details the process of securely mounting the support structure for the outdoor unit.

Connect Indoor and Outdoor Pipes

Describes how to connect the refrigerant pipes between the indoor and outdoor units.

Connect Outdoor Electric Wire

Instructions for making the electrical connections to the outdoor unit.

8.7 Vacuum Pumping and Leak Detection

Use Vacuum Pump

Step-by-step procedure for using a vacuum pump to evacuate the system.

Leakage Detection

Methods for detecting refrigerant leaks using a detector or soap water.

8.8 Check after Installation and Test Operation

Test Operation

Procedures for conducting a test run to ensure the unit operates correctly.

9.2 Error Code List

Indoor Unit Malfunctions

Focuses on troubleshooting common issues within the indoor unit.

9.3 Troubleshooting for Main Malfunction

Temperature Sensor Malfunction (F1, F2)

Provides a flowchart for diagnosing and resolving temperature sensor issues.

9.2 Error Code List

Outdoor Unit Error Codes

Lists error codes specific to the outdoor unit and their causes.

9.3 Troubleshooting for Main Malfunction

IDU Fan Motor Malfunction (H6)

Provides a flowchart for diagnosing and resolving issues with the indoor unit fan motor.

9.3 Troubleshooting for Main Malfunction

Communication Malfunction (E6)

Offers a troubleshooting guide for communication failures between indoor and outdoor units.

Outdoor Unit Malfunctions

Capacity Charging Malfunction (AP1)

Guides on diagnosing and resolving capacity charging issues related to the outdoor control board (AP1).

Outdoor Unit Malfunctions

IPM Protection and Compressor Issues

Addresses IPM protection, desynchronization, and compressor overcurrent malfunctions.

Outdoor Unit Malfunctions

Anti-High Temperature/Overload Protection Diagnosis

Outlines the diagnostic process for anti-high temperature and overload protection faults.

Outdoor Unit Malfunctions

Failure Start-up Malfunction Diagnosis

Provides a troubleshooting guide for situations where the unit fails to start up correctly.

Outdoor Unit Malfunctions

Compressor Synchronism Diagnosis

Details the diagnostic steps for issues related to compressor synchronism and voltage.

Outdoor Unit Malfunctions

Overload and Discharge Malfunction Diagnosis

Guides on diagnosing overload and discharge malfunctions, including expansion valve and refrigerant checks.

Outdoor Unit Malfunctions

Communication Malfunction Diagnosis

Provides a troubleshooting guide for communication failures within the outdoor unit.

Outdoor Unit Malfunctions

Outdoor Communication Circuit Diagnosis

Details the diagnostic process for issues within the outdoor unit's communication circuit.

9.4 Troubleshooting for Normal Malfunction

Unit Startup Issues

Addresses problems encountered when the air conditioner fails to start up.

Cooling/Heating Performance Issues

Troubleshoots common problems related to poor cooling or heating performance.

9.4 Troubleshooting for Normal Malfunction

ODU Fan Motor Issues

Guides on troubleshooting the outdoor unit fan motor when it cannot operate.

Compressor Operation Issues

Addresses troubleshooting for situations where the compressor cannot operate.

10. Exploded View and Parts List

10.1 Indoor Unit Exploded View

Displays the exploded view of the indoor unit, showing the arrangement of its components.

10.1 Indoor Unit Parts List

Indoor Unit Parts List

Lists all parts of the indoor unit with their corresponding part codes and quantities.

11. Removal Procedure

11.1 Indoor Unit Removal Procedure

Step-by-step instructions for disassembling the indoor unit components.

Remove Filter Assy

Instructions for removing the air filters from the indoor unit.

Remove Horizontal Louver

Details the process of removing the horizontal air louvers.

11.2 Outdoor Unit Removal Procedure

Remove Handle, Valve Cover and Top Cover

Instructions for removing the handle, valve cover, and top cover of the outdoor unit.

Remove Grille and Outer Case

Steps for removing the grille and outer casing of the outdoor unit.

11.2 Outdoor Unit Removal Procedure

Remove 4-Way Valve Assy

Details the process of removing the 4-way valve assembly, including desoldering.

11.2 Outdoor Unit Removal Procedure

Remove Compressor

Instructions for removing the compressor from the outdoor unit.

Remove Condenser Sub-assy

Steps for removing the condenser assembly from the outdoor unit.

11.2 Outdoor Unit Removal Procedure

Remove Gas Valve and Liquid Valve (24K)

Instructions for removing the gas and liquid valves from the 24K outdoor unit.

Remove Compressor (24K)

Instructions for removing the compressor from the 24K outdoor unit.

Appendix

Appendix 1: Temperature Conversion

Provides a reference table for converting between Celsius and Fahrenheit temperatures.

Appendix

Appendix 2: Connection Pipe Specifications

Details specifications and requirements for connecting pipes, including length and refrigerant charge.

Appendix

Appendix 3: Pipe Expanding Method

Explains the correct procedure for expanding pipes to prevent refrigerant leakage.

Appendix

Appendix 4: Temperature Sensor Resistance Table

Lists resistance values for temperature sensors at various temperatures for diagnostic purposes.

Appendix 4: Temperature Sensor Resistance Table

Ambient Temperature Sensor Resistance

Provides resistance values for ambient temperature sensors at different temperatures.

Appendix 3: Pipe Expanding Method

Pipe Expanding Procedure

Explains the correct procedure for expanding pipes to prevent refrigerant leakage.

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