Huawei NetCol8000-A045D - Page 7

4.8.3 Connecting Outdoor Unit Pipes................................................................................................................................. 107
4.8.4 (Optional) Welding Pipes for the Low Temperature Component.................................................................. 108
4.8.5 Welding the Water Cooling Module.........................................................................................................................109
4.8.6 Installing Cooling Water pipes for the Water Cooling Module.......................................................................110
4.8.7 (Optional) Connecting the
Humidier Water Inlet Pipe...................................................................................110
4.8.8 Connecting the Drainpipe............................................................................................................................................ 111
4.9 Leakage Test with Nitrogen............................................................................................................................................ 115
4.10 (Optional) Leakage Test with Water for the Water-Cooled Module............................................................. 120
4.11 Connecting Cables........................................................................................................................................................... 121
4.11.1 Connecting the Equipotential Ground Cable...................................................................................................... 121
4.11.2 Connecting Power Cables.......................................................................................................................................... 122
4.11.3 Connecting Signal Cables.......................................................................................................................................... 129
4.11.3.1 Connecting the Signal Cable Between the Outdoor Unit and Indoor Unit.......................................... 129
4.11.3.2 Connecting Water Sensor Cables.........................................................................................................................131
4.11.3.3 (Optional) Installing a Micro
Dierential Pressure Sensor.........................................................................133
4.11.3.4 (Optional) Connecting T/H Sensors Outside Cabinets.................................................................................136
4.11.4 (Optional) Installing Teamwork and Monitoring Communications Cables............................................. 138
4.11.4.1 Preparing a Network Cable................................................................................................................................... 138
4.11.4.2 CAN Teamwork + RS485 Monitoring................................................................................................................. 139
4.11.4.3 CAN Teamwork + FE Monitoring......................................................................................................................... 141
4.11.4.4 FE Teamwork + RS485 Monitoring..................................................................................................................... 141
4.11.4.5 FE Teamwork + FE Monitoring............................................................................................................................. 143
4.11.5 (Optional) Installing a Cap (Applicable to
Upow Units)............................................................................. 144
4.12 Lowering a Fan (Applicable to Downow Units)................................................................................................. 147
5 Verifying the Installation.................................................................................................. 150
5.1 Indoor Unit Installation Verication............................................................................................................................ 150
5.2 Outdoor Unit Installation
Verication........................................................................................................................ 152
5.3 Checking the Water Cooling Module.......................................................................................................................... 153
6 Power-On Commissioning................................................................................................. 154
6.1 Vacuumizing and Precharging Refrigerant................................................................................................................154
6.1.1 Requirements on the Filling Amount of Refrigerant and Refrigerant Oil................................................... 154
6.1.2 Vacuumizing..................................................................................................................................................................... 157
6.1.3 Precharging Refrigerant................................................................................................................................................ 162
6.2 Preparing for Power-On................................................................................................................................................... 168
6.3 Power-On.............................................................................................................................................................................. 169
6.4 Home Screen........................................................................................................................................................................177
6.5 Initial
Conguration.......................................................................................................................................................... 179
6.5.1 Setting T/H Sensor Parameters.................................................................................................................................. 179
6.5.2 (Optional) Setting the Pressure
Dierence Control............................................................................................182
6.5.3 (Optional) Setting Teamwork Parameters............................................................................................................. 182
6.5.4 Setting Communications Parameters.......................................................................................................................188
6.5.4.1 Setting Access Control Parameters........................................................................................................................188
NetCol8000-A(045, 055, 060, 090, 120) In-room Air
Cooled Smart Cooling Product
User Manual Contents
Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd. vi