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Gree GMV-PD100W/NAB-K

Gree GMV-PD100W/NAB-K
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DC INVERTER MULTI VRF
SERVICE MANUAL
T1/R410A/50Hz
(GC201112)
CENTRAL AIR CONDITIONERS

Table of Contents

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Gree GMV-PD100W/NAB-K Specifications

General IconGeneral
Energy Efficiency Ratio (EER)3.21
RefrigerantR410A
Power Supply380-415V/3Ph/50Hz
Outdoor Unit Noise Level58 dB(A)
Cooling Capacity28.0 kW

Summary

PRODUCT

1 MODELS LIST

Lists available models with their technical specifications and capacities.

2 NOMENCLATURE

Defines the naming convention and components of the product model for clarity.

3 FUNCTION

Details the various operational functions and features of the air conditioning system.

4 PRODUCT DATA

Provides detailed technical specifications and performance data for each model.

5 PIPING DIAGRAM

Illustrates the refrigerant piping system for heat pump operations.

CONTROL

1 OPERATION FLOWCHART

Outlines the step-by-step process of unit operation and control sequence.

2 MAIN LOGIC

Explains the core logic behind compressor capacity output and start control mechanisms.

3 WIREDLESS REMOTE CONTROLLER

Describes the features and operation of wireless remote controllers.

4 WIRED REMOTE CONTROLLER

Details the operation and interface of wired remote controllers.

5 REGIONAL CONTROLLER

Explains the functions and operation of the regional control system.

6 SMART ZONE CONTROLLER

Covers the functions, operation, and display of the smart zone controller.

7 CENTRALIZED CONTROLLER

Details the functions, operation, and display of centralized controllers.

8 MONITORING SOFTWARE

Describes the function and connection of the monitoring software.

INSTALLATION

1 PRECAUTIONS FOR INSTALLATION

Essential safety and procedural considerations before starting installation.

1.2 Key Points of Installation

Highlights crucial steps and criteria for successful unit installation.

2 FLOW CHART OF INSTALLATION

Visualizes the sequence of steps involved in the installation process.

3 INSTALLATION OF OUTDOOR UNIT

Provides guidance and cautions for installing the outdoor unit correctly.

4 INSTALLATION REQUIREMENTS OF REFRIGERANT PIPING

Outlines the essential requirements for installing refrigerant piping systems.

4.1 Specification of refrigerant pipe

Details the specifications for refrigerant pipe diameters and thicknesses.

4.2 Allowable Length and Height Differences of the Refrigerant Piping between the Indoor and Outdoor Units

Specifies the maximum allowable pipe lengths and height differences for optimal performance.

4.3 Size of Connection Pipe

Details the required sizes for gas and liquid connection pipes.

5 INSTALLATION OF REFRIGERANT PIPING

Step-by-step guide for installing the refrigerant piping system.

5.1 Flow Chart of Installation

Visualizes the workflow for installing the refrigerant piping.

5.2 Three Principles of Refrigerant Piping Installation

Covers the key principles for dry, clean, and airtight refrigerant piping installation.

5.3 Installation of Metal Embedded Pipe

Instructions for installing metal embedded pipes, including work order.

5.4 Installation of Carriage of Refrigerant pipin

Guidance on fixing horizontal refrigerant pipes and their supports.

5.5 Management and Machining of Refrigerant Piping

Guidelines for storing and handling refrigerant piping before installation.

5.6 Installation of Refrigerant Piping

General precautions and steps for installing refrigerant piping.

5.7 Welding of Copper Pipe

Detailed procedures for welding copper pipes, including safety.

5.8 Cleaning of Refrigerant Piping

Procedures for cleaning refrigerant piping after welding to remove contaminants.

5.9 Pressure Maintaining and Leak Hunting

Procedures for pressure testing and leak detection in the refrigerant piping system.

5.10 Heat Preservation of Refrigerant Piping

Guidelines for applying thermal insulation to refrigerant pipes.

5.11 Vacuum Pumping

Procedures for vacuum pumping to remove air and moisture from the system.

5.12 Refrigerant Charge

Procedures for calculating and charging the correct amount of refrigerant.

6 CONDENSATE PIPE INSTALLATION

Installation procedures for the condensate drainage system, including testing and insulation.

6.2 Key Points for Condensate Pipe Installation

Crucial points to consider during the installation of condensate pipes.

6.3 Test for Condensate Pipe

Procedures for testing condensate pipes for leaks and proper drainage.

6.4 Requirements of Heat preservation

Specifies requirements for heat preservation of condensate pipes.

ELECTRICAL INSTALLATION

7.1 ELECTRICAL INSTALLATION PRECAUTIONS

Safety precautions and general guidelines for performing electrical installation tasks.

7.2 POWER AND CIRCUIT BREAKER SPECS

Details the required specifications for power cords, circuit breakers, and earth leads.

7.3 WIRING DIAGRAMS

Provides schematic diagrams for indoor/outdoor power and communication line connections.

7.4 DIAL-UP CONFIGURATION

Explains the function and use of dial-up switches for unit configuration and settings.

MAINTENANCE

1 UNIT ERROR LIST

Comprehensive list of error codes and their descriptions for unit troubleshooting and diagnosis.

2 TROUBLESHOOTING FLOW CHARTS

Flowcharts illustrating diagnostic steps for various protection mechanisms and faults.

POWER DISTRIBUTION

3.1 POWER DISTRIBUTION DIAGRAM

Illustrates the power flow and distribution within the unit's electrical system.

3.2 MAJOR ELECTRICAL ELEMENTS

Details key electrical components and their functions within the power distribution system.

3.3 WIRING DIAGRAM

Wiring diagrams showing electrical connections for various unit models.

DISASSEMBLY AND ASSEMBLY

MAIN PARTS DISASSEMBLYASSEMBLY

Step-by-step instructions for disassembling and assembling major unit components.

EXPLODED VIEWS AND PART LIST

PART LIST

Provides a detailed list of all unit parts with their codes and quantities for identification.

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