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CONTENTS
SAFETY PRECAUTIONS ................................................................................ 3
Cautions and Warnings ................................................................................. 3
WARNINGS DURING REPAIR ........................................................................ 3
PREFACE ........................................................................................................ 6
CHAPTER I OVERVIEW ................................................................................. 7
1. Models ........................................................................................................ 7
2. Nomenclature ........................................................................................... 12
CHAPTER II SYSTEM PRINCIPLE ............................................................... 14
1. Refrigerating System Schematic Diagram ............................................. 14
2. Exploded view/3D diagram ...................................................................... 20
3. Refrigerant Flow Direction in Different Operating Modes .................... 33
CHAPTER 4 BASIC CONTROL .................................................................... 36
1. Basic Control ............................................................................................ 36
2. Protection Control ................................................................................... 37
4. IDU Control ............................................................................................... 45
CHAPTER V TESTING AND TRIAL OPERATION ........................................ 58
1. Testing before Operation ......................................................................... 58
2. Testing Software ...................................................................................... 62
3. Centralized Control .................................................................................. 66
4. Household-based Charging .................................................................... 74
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