Gree CN850W1220 Manuals

Manuals and User Guides for Gree CN850W1220. We have 2 Gree CN850W1220 manuals available for free PDF download: Service Manual

Gree CN850W1220 Service Manual

Gree CN850W1220 Service Manual (229 pages)

Mini DC Inverter VRF Units

Brand: Gree | Category: Inverter | Size: 21 MB

Table of Contents

Table of Contents
2
Chapter 1 Product

4
Chapter 2 Commissioning

6
- Commissioning Process
  6
- Safety Requirements
  6
- Unit Commissioning
  7
- Unit Function Settings
  21
Chapter 3 Faults

39
- Error Indication
  39
- Troubleshooting
  43
- Non-Fault Type Troubleshooting
  165
Chapter 4 Maintenance

168
- Precautions for Refrigerant Leakage
  168
- Vacuum Pumping, Refrigerant Adding
  168
- Inspection of Key Parts
  171
- Replacement of Key Unit Parts
  200
- Explosive View and Parts List
  211
Appendixes

213
Appendix 1 Temperature Senor Resistance and Temperature Relationship Table

213
Appendix 2 Refrigerant Temperature and Pressure Table

220
Appendix 3 Pressure Sensor Voltage and Pressure Table

221
Appendix 4 Electric Specifications

224
Appendix 5 Circuit Diagram

226
Appendix 6 Schematic Diagram

227
Appendix 7 Names and Functions of Components

228

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Gree CN850W1220 Service Manual

Gree CN850W1220 Service Manual (117 pages)

Ultra Heat Mini DC Inverter VRF Units

Brand: Gree | Category: Inverter | Size: 6 MB

Table of Contents

Table of Contents
2
Safety Instructions
3
Chapter 1 Product
4
Unit List
4
Parameters
4
Temperature Operating Range
5
The Range of Production Working Temperature
5
Chapter 2 Commissioning
6
Commissioning Process
6
Safety Requirements
6
Unit Commissioning
7
After Commissioning
14
Unit Function Settings
17
DIP Switch Settings
17
Function Buttons
19
Function Description
20
Function Operations
20
Chapter 3 Faults
37
Error Indication
37
Troubleshooting
45
Non-Fault Type Troubleshooting
50
Chapter 4 Maintenance
53
Precautions for Refrigerant Leakage
53
Vacuum Pumping, Refrigerant Adding
53
Pressure Testing
53
Vacuum Setup
54
Additional Refrigerant Charging
55
Inspection of Key Parts
57
Mechanical Inspection
59
Electrical Inspection
59
Temperature Sensors
60
Solenoid Valve
65
Electronic Expansion Valve
67
Pressure Sensor
84
Replacement of Key Unit Parts
86
Key Parts
86
Explosive View and Parts List
97
Appendixes
99
Appendix 1 Temperature Senor Resistance and Temperature Relationship Table
99
Appendix 2 Refrigerant Temperature and Pressure Table
106
Appendix 3 Pressure Sensor Voltage and Pressure Table
107
Appendix 4 Electric Specifications
111
Appendix 5 Circuit Diagram
113
Appendix 6 Schematic Diagram
114
Appendix 7 Names and Functions of Components
115
Appendix 8 YAP1F Remote Special Functions
116

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