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

1.2 Electrical Safety ............................................................................................................................................................ 2

1.3 Mechanical Safety ........................................................................................................................................................ 4

1.4 Operating Safety ........................................................................................................................................................... 5

1.5 Others............................................................................................................................................................................ 6

2 Product Description ...................................................................................................................... 8

2.1 Model Description ........................................................................................................................................................ 8

2.2 Product Overview ......................................................................................................................................................... 9

2.2.1 Appearance ................................................................................................................................................................ 9

2.2.2 Cooling Components ............................................................................................................................................... 10

2.2.3 Controller ................................................................................................................................................................. 13

2.3 Physical Ports ............................................................................................................................................................. 16

2.4 Product Specifications ................................................................................................................................................ 17

3 Installation Guide ....................................................................................................................... 20

3.1 Installation Precautions ............................................................................................................................................... 20

3.2 Installation Preparation ............................................................................................................................................... 22

3.2.1 Tools ........................................................................................................................................................................ 22

3.2.2 Material Preparations ............................................................................................................................................... 26

3.2.2.1 (Optional) Refrigerant R410A .............................................................................................................................. 26

3.2.2.2 (Optional) Pipe Assembly ..................................................................................................................................... 27

3.2.2.3 (Optional) Humidifier Water Inlet Pipe ................................................................................................................ 29

3.2.2.4 Drainpipe .............................................................................................................................................................. 29

3.2.2.5 Pipe Support.......................................................................................................................................................... 31

3.2.2.6 Cable ..................................................................................................................................................................... 31

3.2.3 Installation Layout Principles .................................................................................................................................. 33

3.3 Unpacking ................................................................................................................................................................... 35

3.4 Checking the Nitrogen Pressure.................................................................................................................................. 36

3.5 Removing the Transport Fixing Sheet Metals ............................................................................................................. 38

3.5.1 Removing the Pallet ................................................................................................................................................. 38

3.5.2 Removing the Transport Fasteners from the Compressor ........................................................................................ 39

Issue 01 (2017-07-27)

Huawei Proprietary and Confidential

Contents