Gree GMV5 Series

Contents
PREFACE ............................................................................................................................ 1
SAFTY PRECAUTIONS ...................................................................................................... 2
CHAPTER 1 INTRODUCTION TO BASIC FEATURES OF UNITS .................................... 7
1 MODELS LIST .......................................................................................................................................................... 7
2 BASIC OPERATING PRINCIPLE .......................................................................................................................... 7
3 INTERNAL PIPING DESIGN OF THE UNITS ...................................................................................................... 8
3.1 Piping Diagram of GMV-72WM/B-F(U) and GMV-96WM/B-F(U) ........................................................... 8
3.2 Piping Diagram of GMV-120WM/B-F(U) ..................................................................................................... 9
3.3 Names and Main Functions of Components.......................................................................................... 10
4 BASIC PARAMETERS OF UNIT.......................................................................................................................... 12
5 ELECTRICAL PARAMETERS ............................................................................................................................. 15
6 OPTIONAL ACCESSORIES ................................................................................................................................. 18
7 BASIC REQUIREMENT FOR PIPE CONNECTION ......................................................................................... 18
8 PRECAUTIONS ON REFRIGERANT LEAKAGE ............................................................................................. 21
9 UNIT OPERATING TEMPERATURE................................................................................................................... 23
CHAPTER 2 INSTALLATION ........................................................................................... 25
1 ENGINEERING INSTALLATION PREPARATION ............................................................................................ 25
1.1 INSTALLATION SAFETY .............................................................................................................................. 25
1.2 IMPORTANCE OF INSTALLATION ENGINEERING ................................................................................ 25
1.3 COOPERATION BETWEEN DIFFERENT PROFESSIONS .................................................................... 26
1.4 ONSITE REVIEW OF DESIGN DRAWING ................................................................................................ 29
1.5 CONSTRUCTION ORGANIZATION PROCESS ....................................................................................... 30
2 MATERIAL SELECTION ....................................................................................................................................... 31
2.1 REQUIREMENT FOR SELECTING CONSTRUCTION MATERIALS ................................................... 31
2.2 REQUIREMENT FOR SELECTING MAJOR MATERIALS ..................................................................... 31
3 INSTALLATION SPACE REQUIREMENT .......................................................................................................... 32
3.1 PLACE SELECTION FOR INSTALLING ODU .......................................................................................... 33
3.2 ODU DIMENSIONS AND INSTALLATION HOLE SIZE ........................................................................... 33
3.3 INSTALLATION SPACE REQUIREMENT FOR ODU .............................................................................. 35
4 REQUIREMENTS ON FOUNDATION INSTALLATION.................................................................................... 43
4.1 ODU FOUNDATION ....................................................................................................................................... 43
4.2 ODU FIXING .................................................................................................................................................... 44
4.3 VIBRATION REDUCTION FOR ODU ......................................................................................................... 44
5 PIPING CONNECTION .......................................................................................................................................... 45
5.1 Schematic Diagram of Piping Connection ............................................................................................. 45
5.2 Schematic Diagram of Piping Sequence ................................................................................................ 46
5.3 Allowable pipe length and drop height among indoor and outdoor units ..................................... 47
5.4 Connection Pipe among Outdoor Modules ............................................................................................ 49
5.5 Fitting pipe between Outdoor Unit and the First Manifold ................................................................. 51
6 PIPE INSTALLATION AND INSULATION .......................................................................................................... 57
6.1 PIPE INSTALLATION FOR THE COOLING SYSTEM ............................................................................. 57
6.2 PIPE INSTALLATION FOR THE CONDENSATE WATER SYSTEM ..................................................... 65
6.3 INSULATION SYSTEM .................................................................................................................................. 70
7 ELECTRIC AND CONTROLLER INSTALLATION ............................................................................................ 72
7.1 PRECAUTIONS .............................................................................................................................................. 72
7.2 INSTALLATION OF THE POWER CABLE ................................................................................................ 74
7.3 INSTALLATION OF THE COMMUNICATION SYSTEM .......................................................................... 78
8 VACUUMIZATION AND DESICCATION FOR THE REFRIGERANT SYSTEM ............................................ 86
8.1 AIR-TIGHTNESS TEST ................................................................................................................................. 86
8.2 VACUUMIZATION AND DESICCATION FOR THE SYSTEM ................................................................. 87
9 REFRIGERANT PERFUSION .............................................................................................................................. 89