Gree GMV-PD100W/NAB-K Service Manual page 3

9.2 Working Process of Gate Control ...............................................................................................55
9.3 Detection Control Board Interface Sketch is shown in Fig.2: ...................................................... 56
9.4 Products Parameters .................................................................................................................56
9.5 Installation of Detection Control Board .......................................................................................56
INSTALLATION ........................................................................................... 59
1 PRECAUTIONS FOR INSTALLATION ................................................................... 59
1.1 Precautions for installation ..........................................................................................................59
1.2 Key Points of Installation.............................................................................................................60
2 FLOW CHART OF INSTALLATION ......................................................................... 62
3 INSTALLATION OF OUTDOOR UNIT .................................................................... 63
3.1 Cautions for installation of side discharge outdoor unit............................................................... 63
3.2 Selection of Installation Site .......................................................................................................63
3.3 Dimensions Data.........................................................................................................................64
3.4 Installation space requirements ..................................................................................................64
4 INSTALLATION REQUIREMENTS OF REFRIGERANT PIPING ............................ 65
4.2 Allowable Length and Height Differences of the Refrigerant Piping between the Indoor and
Outdoor Units ...................................................................................................................................65
4.3 Size of Connection Pipe..............................................................................................................65
5 INSTALLATION OF REFRIGERANT PIPING ......................................................... 66
5.1 Flow Chart of Installation ............................................................................................................66
5.2 Three Principles of Refrigerant Piping Installation ..................................................................... 67
5.3 Installation of Metal Embedded Pipe...........................................................................................67
5.4 Installation of Carriage of Refrigerant pipin ................................................................................67
5.5 Management and Machining of Refrigerant Piping ..................................................................... 68
5.6 Installation of Refrigerant Piping .................................................................................................72
5.7 Welding of Copper Pipe ..............................................................................................................74
5.8 Cleaning of Refrigerant Piping ...................................................................................................78
5.9 Pressure Maintaining and Leak Hunting ....................................................................................79
5.10 Heat Preservation of Refrigerant Piping ...................................................................................80
5.11 Vacuum Pumping .....................................................................................................................81
5.12 Refrigerant Charge ...................................................................................................................82
6 INSTALLATION OF CONDENSATE PIPE .............................................................. 83
6.1Material Quality Requirements for Condensate Pipe ................................................................... 83
6.2 Key Points for Condensate Pipe Installation ...............................................................................83
6.3 Test for Condensate Pipe ............................................................................................................87
6.4 Requirements of Heat preservation ...........................................................................................87
7 ELECTRICAL INSTALLATION................................................................................. 88
7.1 Precautions for Electrical Installation ..........................................................................................88
7.3 Wiring Sketch Map .....................................................................................................................89
7.4 Dial-up.........................................................................................................................................89
MAINTENANCE ........................................................................................... 96
1 List of Unit Errors ..................................................................................................... 96
...................................................................................................65
........................................................................... 88