1.1 General Safety .............................................................................................................................................................. 1

1.2 Personnel Requirements ............................................................................................................................................... 4

1.3 Electrical Safety ............................................................................................................................................................ 4

1.4 Installation Environment Requirements ....................................................................................................................... 6

1.5 Mechanical Safety ........................................................................................................................................................ 7

1.6 Cooling System Safety ............................................................................................................................................... 10

1.7 Others ......................................................................................................................................................................... 10

2 Product Description .................................................................................................................... 11

2.1 Model Description ...................................................................................................................................................... 11

2.2 Indoor Unit Components ............................................................................................................................................ 12

2.3 Controller .................................................................................................................................................................... 13

2.3.1 Appearance and Ports .............................................................................................................................................. 13

2.3.2 Function and Features .............................................................................................................................................. 16

2.4 Monitoring System ..................................................................................................................................................... 17

2.5 Application Environment ............................................................................................................................................ 19

2.6 Technical Specifications ............................................................................................................................................. 21

3 Installation Guide ....................................................................................................................... 23

3.1 Installation Preparations ............................................................................................................................................. 23

3.1.1 Preparing Tools ........................................................................................................................................................ 23

3.1.2 Material Preparations ............................................................................................................................................... 26

3.1.2.1 (Optional) Refrigerant R410A .............................................................................................................................. 26

3.1.2.2 (Optional) Refrigerant Oil .................................................................................................................................... 28

3.1.2.3 (Optional) Oil Trap and Inverted Trap .................................................................................................................. 28

3.1.2.4 Humidifier Water Inlet Pipe .................................................................................................................................. 29

3.1.2.5 Drainpipe .............................................................................................................................................................. 30

3.1.2.6 Pipe Support ......................................................................................................................................................... 31

3.1.2.7 Cable Specifications ............................................................................................................................................. 31

3.1.2.8 (Engineering Procurement) Water Softener .......................................................................................................... 33

3.1.3 Deployment Principles ............................................................................................................................................. 33

3.1.4 Precautions ............................................................................................................................................................... 34

Issue 03 (2020-01-10)

Contents