Table of Contents
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Table of Contents
Related Manuals for Gree GWH12MA-K3DNC9L
Summarization of Contents
Part I: Technical Information
1. Summary
Overview of indoor units, outdoor units, and remote controller models.
2. Specifications
Detailed technical specifications for the air conditioning units.
2.1 Specification Sheet
Table detailing key specifications like capacity, power, airflow, and dimensions.
3. Outline Dimension Diagram
Visual representation of the physical dimensions of indoor and outdoor units.
3.1 Indoor Unit
Diagram showing the dimensions and mounting details of the indoor unit.
5. Electrical Part
Details of the electrical components, including wiring diagrams.
5.1 Wiring Diagram
Diagrams illustrating the electrical connections for the unit.
5.2 PCB Printed Diagram
Printed circuit board layouts for component identification.
6. Function and Control
Explanation of the unit's functions, modes, and remote controller operation.
6.1 Remote Controller Introduction
Explanation of the remote controller buttons and their functions.
6.2 Brief Description of Modes and Functions
Details on various operating modes and protective functions.
2.2 Operation Characteristic Curve
Graphs showing the relationship between compressor speed and current.
2.3 Capacity Variation Ratio According to Temperature
Charts illustrating how cooling and heating capacity changes with temperature.
2.4 Cooling and Heating Data Sheet in Rated Frequency
Table of performance data for cooling and heating at rated frequency.
2.5 Noise Curve
Graphs showing noise levels for indoor and outdoor units.
3.2 Outdoor Unit
Diagram showing the dimensions and mounting details of the outdoor unit.
4. Refrigerant System Diagram
Schematic illustrating the refrigerant flow and components.
Part II: Installation and Maintenance
7. Notes for Installation and Maintenance
Important safety precautions and guidelines for installation and maintenance.
8. Installation
Detailed steps and procedures for installing the air conditioning unit.
8.1 Installation Dimension Diagram
Diagram showing clearances and spatial requirements for unit installation.
Installation Procedures
Flowchart outlining the sequence of steps for unit installation.
8.2 Installation Parts-checking
List of parts required for installation and their verification.
8.3 Selection of Installation Location
Guidelines for choosing the optimal locations for indoor and outdoor units.
8.4 Electric Connection Requirement
Requirements for safe and correct electrical connections, including safety precautions.
8.5 Installation of Indoor Unit
Step-by-step guide for mounting and connecting the indoor unit.
7. Connect Wire of Indoor Unit
Procedure for connecting the wiring to the indoor unit.
8. Bind Up Pipe
Instructions for bundling pipes, power cords, and drain hoses together.
9. Hang the Indoor Unit
Process for securely mounting the indoor unit onto the wall-mounting frame.
8.6 Installation of Outdoor Unit
Detailed steps for installing the outdoor unit.
1. Fix the Support of Outdoor Unit
Procedure for securely fixing the outdoor unit's support structure.
2. Install Drain Joint
Steps for connecting the drain joint to the outdoor unit's chassis.
3. Fix Outdoor Unit
Instructions for placing and bolting the outdoor unit onto its support.
4. Connect Indoor and Outdoor Pipes
Procedure for connecting the refrigerant pipes between indoor and outdoor units.
8.7 Vacuum Pumping and Leak Detection
Steps for removing air and checking for refrigerant leaks in the system.
8.8 Check after Installation and Test Operation
Final verification and commissioning of the installed unit.
1. Check after Installation
Checklist of items to verify after completing the installation.
2. Test Operation
Procedure for testing the unit's operation after installation.
9. Maintenance
9.1 Malfunction Analysis
Diagnostic guide for identifying and analyzing common unit malfunctions.
9.2 Flashing LED of Indoor/Outdoor Unit and Primary Judgement
Table correlating LED status with malfunction codes and possible causes.
9.3 How to Check Simply the Main Part
Methods for simple checks of main components and troubleshooting.
1. Malfunction of Temperature Sensor F1, F2
Diagnostic process for temperature sensor malfunctions (F1, F2).
2. Malfunction of Blocked Protection of IDU Fan Motor H6
Diagnostic process for IDU fan motor blocked protection (H6).
3. Malfunction of Protection of Jumper Cap C5
Diagnostic process for jumper cap protection malfunction (C5).
4. Malfunction of Zero-crossing Inspection Circuit Malfunction of the IDU Fan Motor U8
Diagnostic process for zero-crossing inspection circuit malfunction (U8).
1. Capacitor Charge Fault (Outdoor Unit)
Diagnosis for capacitor charge faults in the outdoor unit's control panel.
2. IPM Protection, Out-of-step Fault, Compressor Phase Overcurrent
Diagnostic process for IPM protection, out-of-step, and compressor overcurrent faults.
3. High Temperature and Overload Protection Diagnosis
Diagnosis for overheat and overload protection issues in the outdoor unit.
4. Start-up Failure (Outdoor Unit)
Diagnostic process for failures occurring during unit start-up.
5. Out of Step Diagnosis for the Compressor
Diagnostic process for compressor out-of-step issues.
6. Overload and Air Exhaust Malfunction Diagnosis
Diagnosis for overload and air exhaust malfunctions in the outdoor unit.
7. Power Factor Correction (PFC) Fault (Outdoor Unit)
Diagnosis for power factor correction (PFC) faults in the outdoor unit.
8. Communication Malfunction
Diagnostic process for communication issues between indoor and outdoor units.
9. Malfunction of Overcurrent Protection E5
Diagnostic process for overcurrent protection malfunctions (E5).
10. Exploded View and Parts List
10.1 Indoor Unit
Exploded view diagram and parts list for the indoor unit.
10.2 Outdoor Unit
Exploded view diagram and parts list for the outdoor unit.
11. Removal Procedure
11.1 Removal Procedure of Indoor Unit
Step-by-step guide for disassembling the indoor unit.
11.2 Removal Procedure of Outdoor Unit
Step-by-step guide for disassembling the outdoor unit.
Appendix
Appendix 1: Reference Sheet of Celsius and Fahrenheit
Conversion table between Celsius and Fahrenheit for temperature settings.
Appendix 2: Configuration of Connection Pipe
Details on connection pipe lengths, refrigerant oil, and charging amounts.
Appendix 3: Pipe Expanding Method
Steps for properly expanding refrigerant pipes to prevent leakage.
Appendix 4: List of Resistance for Temperature Sensor
Table of resistance values for temperature sensors at various temperatures.
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