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Gree GMV-S280W/A-X User Manual

Gree GMV-S280W/A-X
391 pages
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GMV5 HOME DC INVERTER MULTI VRF UNITS
SERVICE MANUAL
T1/R410A /50-60Hz
(GC201509 - І )

Table of Contents

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Gree GMV-S280W/A-X Specifications

General IconGeneral
CategoryInverter
ModelGMV-S280W/A-X
Cooling Capacity28.0 kW
Heating Capacity31.5 kW
Power Supply380-415V/3Ph/50Hz
RefrigerantR410A
Operating Temperature Range (Cooling)-5 to 48 °C
Outdoor Unit Dimensions (WxHxD)950 x 370 x 1380 mm

Summary

SAFETY PRECAUTIONS

CHAPTER 1: PRODUCT INTRODUCTION

2. Basic Parameter of Unit

Details the technical specifications and performance parameters of outdoor units, hot water generators, and water tanks.

6. Product model selection and collocation

Guides on selecting appropriate models and collocations for various system configurations and operation modes.

8. Product Model Selection

Provides step-by-step guidance and examples for selecting system models based on user demand and conditions.

Chapter 2: Control

1. Unit Control

Explains the general control methods and provides a schematic diagram of the unit control system.

CHAPTER 3 INSTALLATION

5. INSTALLATION OF ODU

Provides detailed instructions for installing the Outdoor Unit (ODU), including dimensions, placement, and space requirements.

7. INSTALLATION OF HYDRO BOX

Covers the installation procedures, position, and space requirements for the Hydro Box.

8. INSTALLATION OF WATER TANK

Details the dimensions, installation position, and notices for installing the water tank.

9. DESIGN, INSTALLATION AND INSULATION OF REFRIGERANT PIPELINE

Guidelines for designing, installing, and insulating refrigerant pipelines, including pipe sizes and connection methods.

11. INSTALLATION AND INSULATION OF HOT WATER SYSTEM PIPELINE

Details the connection requirements and insulation for the hot water system pipeline.

12. ELECTRIC INSTALLATION

Covers precautions and procedures for the electrical installation of the unit.

12. INSTALLATION OF THE COMMUNICATION SYSTEM

Explains the connection, way, and selection of communication cables for the system.

12.2 Installation of Power

Provides procedures for installing power cables and selecting circuit breakers based on unit capacity.

13. REFRIGERANT CHARGING

Details precautions for refrigerant leakage and methods for calculating additional refrigerant charge.

CHAPTER 4 Commissioning Operation

3.PREPARATION BEFORE COMMISSIONING

Outlines the necessary tools and documents required before starting the commissioning process.

4.COMMISSIONING OPERATION

Details the steps for commissioning the hydro box and the entire unit.

5. DIP SWITH INSTRUCTIONS OF GMV5 Unic

Explains the function and settings of DIP switches for the GMV5 Unic outdoor unit.

5.1 GMV5 Unic Outdoor Unit (GMV-S224W/A-X,GMV-S280W/A-X)

Details the function DIP switch settings for GMV5 Unic outdoor units.

5.2 Hydro Box (NRQD16G/A-S)

Covers functional dial switch settings and applications for the Hydro Box.

CHAPTER 5 MAINTENANCE

1. TABLE OF ERROR CODES

Lists and explains various error codes for outdoor units, indoor units, and hydro boxes.

4. TROUBLESHOOTING

Provides analysis and solutions for common system faults and errors.

7. COMMON MAINTENANCE

Outlines routine checks and maintenance procedures for the outdoor unit, drain pipe, and system.

7.7 System Vacuum Pumping

Details the procedure and precautions for vacuumizing the refrigerant system using a vacuum pump.

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