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 Component ...........................................................................................................................................................12

2.2.1 Appearance and Components .............................................................................................................................12

2.2.2 Controller ..........................................................................................................................................................14

2.2.2.1 Appearance and Ports ......................................................................................................................................14

2.2.2.2 Functions and Features ....................................................................................................................................17

2.2.3 Monitoring System ............................................................................................................................................18

2.3 Application Conditions .........................................................................................................................................20

2.4 Technical Specifications .......................................................................................................................................23

2.5 Performance Curves .............................................................................................................................................24

3 Installation .............................................................................................................................. 26

3.1 Installation Precautions .........................................................................................................................................26

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

3.1.2 Pipe Connection ................................................................................................................................................28

3.1.3 Material Preparations .........................................................................................................................................29

3.1.3.1 Automatic Drainpipe .......................................................................................................................................29

3.1.3.2 (Optional) Condensate Pump Drainpipe ..........................................................................................................30

3.1.3.3 (Optional) Humidifier Water Inlet Pipe ............................................................................................................31

3.1.3.4 Chilled Water Inlet and Outlet Pipes ................................................................................................................32

3.1.3.5 Pipe Support ...................................................................................................................................................32

3.1.3.6 Cables ............................................................................................................................................................33

3.1.4 Structural Specifications ....................................................................................................................................34

Issue 07 (2020-03-16)

Contents