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................................................................................................................................................................... 8

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

1.7 Others....................................................................................................................................................................................... 11

2 Product Description.............................................................................................................. 12

2.1 Model Description................................................................................................................................................................ 12

2.2 Indoor Unit Components.................................................................................................................................................... 13

2.3 Controller................................................................................................................................................................................. 15

2.3.1 Appearance and Ports...................................................................................................................................................... 15

2.3.2 Function and Features..................................................................................................................................................... 17

2.4 Monitoring System............................................................................................................................................................... 18

2.5 Application Environment.................................................................................................................................................... 21

2.6 Technical Specifications...................................................................................................................................................... 25

3 Installation Guide..................................................................................................................27

3.1 Installation Preparations.................................................................................................................................................... 27

3.1.1 Preparing Tools................................................................................................................................................................... 27

3.1.2 Material Preparations...................................................................................................................................................... 30

3.1.2.1 (Optional) Refrigerant R410A................................................................................................................................... 31

3.1.2.2 (Optional) Refrigerant Oil.......................................................................................................................................... 32

3.1.2.3 (Optional) Oil Trap and Inverted Trap.................................................................................................................... 32

3.1.2.4 Humidifier Water Inlet Pipe....................................................................................................................................... 33

3.1.2.5 Drainpipe........................................................................................................................................................................... 34

3.1.2.6 Pipe Support.................................................................................................................................................................... 35

3.1.2.7 Cable................................................................................................................................................................................... 36

3.1.2.8 (Engineering Procurement) Water Softener......................................................................................................... 38

3.1.3 Deployment Principles..................................................................................................................................................... 38

3.1.4 Precautions.......................................................................................................................................................................... 39

Issue 15 (2020-12-10)