Gree CN851W2260 Manuals

Manuals and User Guides for Gree CN851W2260. We have 1 Gree CN851W2260 manual available for free PDF download: Service Manual

Gree CN851W2260 Service Manual (240 pages)

Brand: Gree | Category: Heat Pump | Size: 16.14 MB

Table of Contents
2
Preface

6
Chapter 1 Introduction to Basic Features of Units

12
Chapter 2 Installation

23
Chapter 3 Commissioning Operation

78
Chapter 4 Maintenance

106
- Part 1 Failure Code Table
  
  106
- System Failure Code Table
  
  106
- Odu Leds Table
  
  109
- Part 2 Exceptions and Troubleshooting
  
  112
- How to Locate a Faulty Idu Promptly
  
  112
- Exceptions Analyzing and Troubleshooting
  
  113
  - Form Analyzing
    113
  - Flowchart Analyzing
    115
- Part 3 Key Parts Maintenance
  
  128
- Cautions on Controller Replacement
  
  128
  - Cautions on IDU AP1 Replacement
    128
  - Cautions on Wired Control Replacement
    130
- Compressor Replacement and Cautions
  
  131
  - Determining Compressor Fault
    131
  - Compressor Replacement
    135
- Cautions on Compressor Drive Board and Pfc Board Replacement
  
  145
- Assembling and Disassembling Key Parts of Odus
  
  150
- Unit Maintenance
  
  162
  - ODU Heat Exchanger
    162
  - Discharge Pipe
    162
  - Pre-Season Cautions
    162
  - Post-Season Maintenance
    162
  - Parts Replacement
    162
- Part 4 Appendixes
  
  163
- Minutes about a Debug Solution Confirmation Meeting
  
  163
- Visual Inspection Checklist of the Debug System
  
  163
- Debug Parameter Record List
  
  164
- Common Parameter Lists
  
  165
- Exploded Views and Spare Part List
  
  176
  - Exploded View of GMV-V72W/A-F(U)、GMV-V96W/A-F(U)
    176
  - Spare Part List of GMV-V72W/A-F(U)、GMV-V96W/A-F(U)
    176
Chapter 5 Remote Control

181
- Part 1 Engineering Debugger
  
  181
- Overview
  
  181
- System Networking
  
  181
  - Composition of System Network
    181
- Hardware
  
  182
  - List of Parts
    182
  - USB Data Converter
    182
  - COM Interface Board
    184
  - Lines
    184
- Software Setup and Uninstall
  
  184
  - Prerequisites
    184
  - Installation Procedure
    184
  - Software Startup and Shut down
    188
  - Uninstall VRF Debugging Software
    189
- Using Debugger
  
  191
  - Manual for Initial Usage
    191
  - User Log in and Registration
    192
  - Main Interface
    193
  - Debugging Function
    194
  - Data Function
    203
- Overview
  
  205
  - Major Functions
    205
  - Network Topology
    205
- Part 2 Vrf Monitoring System
  
  205
- Hardware
  
  209
  - List of Parts
    209
  - Gateway
    209
  - Introduction of Optoelectronic Isolated Repeater
    216
- Software
  
  218
  - List of Parts
    218
  - Preliminary Check
    218
  - Software Setup and Uninstallation
    219
  - Software Initial Usage and Unit Connection
    225
- Vrf Monitoring System Debug
  
  228
- Troubleshooting
  
  235
  - Hardware Faults
    235
  - Software Faults
    235

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Gree CN851W2260 Manuals

Gree CN851W2260 Service Manual (240 pages)

Table of Contents

Preface

Chapter 1 Introduction to Basic Features of Units

Basic Operating Principle

Internal Piping Design of the Units

Basic Parameters of Odu

Electrical Parameters

Optional Accessories

Basic Requirement for Pipe Connection

Precautions on Refrigerant Leakage

Unit Operating Temperature

Chapter 2 Installation

Part 1 Engineering Installation Preparation

Installation Safety

Importance of Installation Engineering

Cooperation between Different Professions

Onsite Review of Design Drawing

Construction Organization Process

Part 2 Material Selections

Requirement for Selecting Construction Materials

Requirement for Selecting Major Materials

Part 3 Installation Space Requirements

Place Selection for Installing Odu

Odu Dimensions and Installation Hole Size

Installation Space Requirement for Odu

Part 4 Requirements on Foundation Installation

Odu Foundation

Odu Fixing

Vibration Reductions for Odu

Part 5 Piping Connection

Schematic Diagram of Piping Connection

Schematic Diagram of Piping Sequence

Allowable Pipe Length and Drop Height Among Idu and Odu

Fitting Pipe between Odu and the First Manifold

Part 6 Pipe Installation and Insulation

Pipe Installation for the Cooling System

Pipe Installations for the Condensate Water System

Insulation System

Part 7 Electric and Controller Installation

Precaution

Installation of the Power Cable

Installation of the Communication System

Part 8 Vacuumization and Desiccation for the Refrigerant System

Air-Tightness Test

Vacuumization and Desiccation for the System

Part 9 Refrigerant Perfusion

Calculation Method for Perfusing Refrigerant

Method for Perfusing Refrigerant

Chapter 3 Commissioning Operation

Part 1 Security Requirements

Precautions for Construction

Precautions for the Use of Refrigerants

Function Settings of Odus

Part 2 Commissioning Process

Necessity of Vrf Engineering Commissioning

Required Files and Tools for Engineering Debugging

Engineering Commissioning Procedures

Chapter 4 Maintenance

Part 1 Failure Code Table

System Failure Code Table

Odu Leds Table

Part 2 Exceptions and Troubleshooting

How to Locate a Faulty Idu Promptly

Exceptions Analyzing and Troubleshooting

Part 3 Key Parts Maintenance

Cautions on Controller Replacement

Compressor Replacement and Cautions

Cautions on Compressor Drive Board and Pfc Board Replacement

Assembling and Disassembling Key Parts of Odus

Unit Maintenance

Part 4 Appendixes

Minutes about a Debug Solution Confirmation Meeting

Visual Inspection Checklist of the Debug System

Debug Parameter Record List

Common Parameter Lists

Exploded Views and Spare Part List

Chapter 5 Remote Control

Part 1 Engineering Debugger