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Contents

PREFACE ..................................................................................................................................................................... 1

CHAPTER 1 INTRODUCTION TO BASIC FEATURES OF UNITS..................................................................... 1

I. BASIC OPERATING PRINCIPLE .................................................................................................................................... 1

II. INTERNAL PIPING DESIGN OF THE UNITS .................................................................................................................. 2

III. BASIC PARAMETERS OF UNIT ................................................................................................................................... 6

IV. ELECTRICAL PARAMETERS ....................................................................................................................................... 9

V. OPTIONAL ACCESSORIES ........................................................................................................................................ 14

VI. BASIC REQUIREMENT FOR PIPE CONNECTION ...................................................................................................... 15

VII. PRECAUTIONS ON REFRIGERANT LEAKAGE ........................................................................................................ 18

VIII. UNIT OPERATING TEMPERATURE ........................................................................................................................ 19

IX. CONFIGURATION OF FULL FRESH AIR CONDITIONING IDU ................................................................................... 19

CHAPTER 2 INSTALLATION ................................................................................................................................21

PART 1 ENGINEERING INSTALLATION PREPARATION ..................................................................................................21

I. INSTALLATION SAFETY .............................................................................................................................................. 21

II. IMPORTANCE OF INSTALLATION ENGINEERING ....................................................................................................... 21

III. COOPERATION BETWEEN DIFFERENT PROFESSIONS ............................................................................................ 23

IV. ONSITE REVIEW OF DESIGN DRAWING .................................................................................................................. 25

V. CONSTRUCTION ORGANIZATION PROCESS ............................................................................................................. 26

PART 2 MATERIAL SELECTION .................................................................................................................................... 27

I. REQUIREMENT FOR SELECTING CONSTRUCTION MATERIALS ................................................................................. 27

II. REQUIREMENT FOR SELECTING MAJOR MATERIALS .............................................................................................. 27

PART 3 INSTALLATION SPACE REQUIREMENT .............................................................................................................29

I. PLACE SELECTION FOR INSTALLING ODU ............................................................................................................... 29

II. ODU DIMENSIONS AND INSTALLATION HOLE SIZE ................................................................................................. 29

III. INSTALLATION SPACE REQUIREMENT FOR ODU ................................................................................................... 32

PART 4 REQUIREMENTS ON FOUNDATION INSTALLATION ..........................................................................................40

I. ODU FOUNDATION .................................................................................................................................................... 40

II. ODU FIXING ............................................................................................................................................................. 41

III. VIBRATION REDUCTION FOR ODU ......................................................................................................................... 41

PART 5 PIPING CONNECTION .....................................................................................................................................42

Ⅰ. SCHEMATIC DIAGRAM OF PIPING CONNECTION .................................................................................................... 42

Ⅱ. SCHEMATIC DIAGRAM OF PIPING SEQUENCE ....................................................................................................... 43

Ⅲ. ALLOWABLE PIPE LENGTH AND DROP HEIGHT AMONG INDOOR AND OUTDOOR UNITS ......................................... 45

Ⅳ. CONNECTION PIPE AMONG OUTDOOR MODULES ................................................................................................. 47

Ⅴ. FITTING PIPE BETWEEN OUTDOOR UNIT AND THE FIRST MANIFOLD .................................................................... 49

PART 6 PIPE INSTALLATION AND INSULATION ............................................................................................................55

I. PIPE INSTALLATION FOR THE COOLING SYSTEM...................................................................................................... 55

II. PIPE INSTALLATION FOR THE CONDENSATE WATER SYSTEM ................................................................................ 62

III. INSULATION SYSTEM ............................................................................................................................................... 64

PART 7 ELECTRIC AND CONTROLLER INSTALLATION ...................................................................................................66

I. PRECAUTIONS ........................................................................................................................................................... 66

II. INSTALLATION OF THE POWER CABLE .................................................................................................................... 66

III. INSTALLATION OF THE COMMUNICATION SYSTEM .................................................................................................. 70

PART 8: VACUUMIZATION AND DESICCATION FOR THE REFRIGERANT SYSTEM ..........................................................73

I. AIR-TIGHTNESS TEST ................................................................................................................................................ 73

II. VACUUMIZATION AND DESICCATION FOR THE SYSTEM ........................................................................................... 74

Brand	Gree
Model	GMV-615WM/B-X
Category	Air Conditioner
Language	English

Gree GMV-615WM/B-X Service Manual

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