Gree CN850W0750 Manuals

Manuals and User Guides for Gree CN850W0750. We have 1 Gree CN850W0750 manual available for free PDF download: Service Manual

Gree CN850W0750 Service Manual

Gree CN850W0750 Service Manual (151 pages)

DC Inverter Side Discharge VRF Ⅱ for North America

Brand: Gree | Category: Inverter | Size: 14 MB

Table of Contents

Table of Contents
2
Product
4
Product List

5
Product Features

5
- General Introduction
  5
Specifications

6
- Outdoor Unit
  6
- Operation Range
  8
Product Capacity Correction

8
Principal of Operation

10
- Control
  12
- Interpretation on the Schematic Diagram
  13
- Schematic Diagram of Units' Control
  13
- Units’ Control
  13
- Operation Flow Chart
  14
- Unit Control Functions
  15
Wired Controller

16
Remote Controller

22
Monitoring Software

24
- Function Introduction
  24
- Connection of Computer and Units
  24
- Parts Introduction
  25
  - List of Parts
    25
  - Gree USB Data Converter
    25
  - Functions Introduction
    25
  - Operation Instruction
    26
  - Power LED
    26
  - Communication Leds
    26
  - USB Interface
    26
  - Installation Notice
    27
  - Communication Board
    27
  - Communication Cord
    27
  - USB Wire
    27
- Software Introduction
  27
  - Comprehensive Monitoring
    28
  - Real-Time Control
    28
  - Replay History
    28
  - Computer Configuration
    28
  - Button Graphics
    29
  - Installation Process
    30
  - Install .Net Framework 4.0
    30
  - Install Gree Debugger
    35
  - Install USB Converter Driver
    38
  - Install Gree USB Data Converter
    39
  - Data Monitoring
    44
  - Project Debugging
    49
  - Control Units
    51
  - Other Functions
    53
  - Capture Screen
    53
  - Search for Database Folder
    54
  - Conversion of Pressure Value
    55
  - Database Saving of Multiple Systems
    56
  - Change Database Saving Path and Rebuild Database
    57
  - Usage of USB Converter
    58
  - Installation
    66
Engineering Installation Preparation and Notice

67
- Installation Key Points and Importance
  67
Installation Materials Selection

68
- Refrigerant Piping
  68
  - Material Requirement
    68
  - Appearance Requirement
    68
- Condensate Water Pipe
  69
- Insulation Material
  69
- Communication Cable and Control Cable
  69
- Power Cable
  70
- Hanger Rod and Support
  70
Installation of Outdoor Unit

70
Installation of Electronic Expansion Valve Assy (Unit with External EXV)

73
Installation of Refrigerant Pipeline

73
- Allowable Length and Height Difference of Connection Pipe
  73
Installation of Connection Pipe

78
- Flaring Process
  78
  - Pipe Bending
    78
  - Indoor Pipe Connection
    79
  - Outdoor Pipe Connection
    79
  - Installation of Y-Type Branch
    81
  - Y-Type Branch
    81
  - Thermal Insulation for Pipeline
    82
  - Support and Protection of Pipeline
    83
- Disassembly of Compressor Feet
  83
- Vacuum Pumping, Refrigerant Adding
  83
Electric Wiring

87
- Wiring Diagram
  87
  - Connection of Power Cord and Communication Wire
    87
  - Connection of Power Cord and Communication Wire for IDU and ODU
    87
- Power Cable Wire Gauge and Circuit Breaker Selection
  88
Debugging of Unit

89
Power Distribution of Unit

113
- Main Electric Parts
  113
- Circuit Diagram
  114
Removal of Parts

116
- Key Parts
  117
- Removal of Key Parts
  118
Common Maintenance

138
- Vacuum Drying for the System
  138

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