Gree GMV-120WM/B-F Service Manual

9.1 CALCULATION METHOD FOR PERFUSING REFRIGERANT .......................................................... 89
9.2 METHOD FOR PERFUSING REFRIGERANT .......................................................................................... 91
CHAPTER 3 COMMISSIONING OPERATION ................................................................. 95
1 SECURITY REQUIREMENTS .............................................................................................................................. 95
1.1PRECAUTIONS FOR CONSTRUCTION ..................................................................................................... 95
1.2 PRECAUTIONS FOR THE USE OF REFRIGERANTS ........................................................................... 95
1.3 FUNCTION SETTINGS OF ODUS .............................................................................................................. 95
2 COMMISSIONING PROCESS ........................................................................................................................... 121
2.1 NECESSITY OF VRF ENGINEERING COMMISSIONING .................................................................... 121
2.2 REQUIRED FILES AND TOOLS FOR ENGINEERING COMMISSIONING ....................................... 121
2.3 ENGINEERING COMMISSIONING PROCEDURES .............................................................................. 122
2.4 REFERENCES FOR PROPER UNIT OPERATION PARAMETERS ................................................... 147
CHAPTER 4 MAINTENANCE ......................................................................................... 150
1 FAILURE CODE TABLE ...................................................................................................................................... 150
1.1 System Failure Code Table ...................................................................................................................... 150
2 EXCEPTION AND TROUBLESHOOTING ....................................................................................................... 156
2.1 How to locate a faulty IDU promptly ...................................................................................................... 156
2.2 Exception Analyzing and Troubleshooting .......................................................................................... 157
3 KEY PARTS MAINTENANCE ............................................................................................................................ 198
3.1 CAUTIONS ON CONTROLLER AP1 REPLACEMENT ......................................................................... 198
3.2 COMPRESSOR REPLACEMENT AND CAUTIONS .............................................................................. 204
3.3 CAUTIONS ON COMPRESSOR DRIVE REPLACEMENT ................................................................... 229
3.4 ASSEMBLING AND DISASSEMBLING KEY PARTS OF ODUS ........................................................ 233
3.5 UNIT MAINTENANCE ................................................................................................................................. 245
4 APPENDIXES ....................................................................................................................................................... 246
4.1 MINUTES ABOUT A DEBUG SOLUTION CONFIRMATION MEETING ............................................. 246
4.2 VISUAL INSPECTION CHECKLIST OF THE DEBUG SYSTEM ......................................................... 246
4.3 DEBUG PARAMETER RECORD LIST ..................................................................................................... 247
4.4 COMMON PARAMETER LISTS ................................................................................................................ 248
4.5 EXPLODED VIEWS AND SPARE PART LIST ........................................................................................ 258
CHAPTER 5 REMOTE CONTROL.................................................................................. 267
1 ENGINEERING DEBUGGER ............................................................................................................................. 267
1.1 Overview ....................................................................................................................................................... 267
1.2 System Networking .................................................................................................................................... 268
1.3 Hardware ....................................................................................................................................................... 269
1.4 Software Setup ............................................................................................................................................ 272
1.5. Using Debugger ......................................................................................................................................... 284
1.6 Software Debug ........................................................................................................................................... 302
2 REMOTE CONTROL ........................................................................................................................................... 303
2.1 MODBUS GATEWAY REMOTE MONITORING SYSTE ........................................................................ 303
2.2 BACnet GATEWAY REMOTE MONITORING SYSTE ........................................................................... 370

Gree GMV-120WM/B-F Specifications

General

Brand	Gree
Model	GMV-120WM/B-F
Category	Inverter
Language	English