1.1 Precautions for Transportation ............................................................................................................................................. 1

1.2 Unpacking and Acceptance .................................................................................................................................................. 2

1.3 Installation Environment Requirements .............................................................................................................................. 3

1.4 Site Requirements ................................................................................................................................................................. 5

1.5 Documents ............................................................................................................................................................................. 6

1.6 Tools and Instruments ........................................................................................................................................................... 8

1.7 Tools Delivered with Equipment ....................................................................................................................................... 12

1.8 Personnel Requirements ..................................................................................................................................................... 14

1.9 Installation Process ............................................................................................................................................................. 15

2 Scenario Description ........................................................................................................... 16

3 Hardware Installation Preparations................................................................................... 18

3.1 Preparing for Installing Air Conditioners .......................................................................................................................... 18

3.1.1 Material Preparations....................................................................................................................................................... 18

3.1.2 Preparing for Installing the NetCol5000-A 35 kW Air Conditioner ............................................................................ 18

3.1.2.1 (Optional) Refrigerant R410A ..................................................................................................................................... 18

3.1.2.2 Refrigerant Oil .............................................................................................................................................................. 20

3.1.2.3 Pipe Components .......................................................................................................................................................... 20

3.1.2.4 Humidifier Water Inlet Pipe, Pump Drainpipe, and Automatic Drainpipe ............................................................... 21

3.1.2.5 Pipe Support .................................................................................................................................................................. 23

3.1.2.6 Preparing Cables ........................................................................................................................................................... 23

3.1.2.7 Checking the Air Pressure ............................................................................................................................................ 24

3.1.2.8 Removing the Transport Fasteners from Floats .......................................................................................................... 26

3.1.2.9 Removing the Transport Fasteners from a Compressor ............................................................................................. 28

3.1.3 Preparing for Installing the NetCol5000-A 25 kW Air Conditioner ............................................................................ 29

3.1.3.1 (Optional) Refrigerant R410A ..................................................................................................................................... 29

3.1.3.2 (Optional) Refrigerant Oil ............................................................................................................................................ 31

3.1.3.3 (Optional) Oil Trap and Inverted Trap ........................................................................................................................ 31

3.1.3.4 Humidifier Water Inlet Pipe ......................................................................................................................................... 32

3.1.3.5 Drainpipe ....................................................................................................................................................................... 33

3.1.3.6 Pipe Support .................................................................................................................................................................. 34

Issue 04 (2017-06-30)

Huawei Proprietary and Confidential

Contents