3.3.1 Removing the Package.................................................................................................................................................... 41
3.3.2 Checking Fittings............................................................................................................................................................... 42
3.4 Installing an Indoor Unit.................................................................................................................................................... 42
3.4.1 Installing Supports............................................................................................................................................................ 42
3.4.2 Lowing an Indoor Fan...................................................................................................................................................... 44
3.5 Connecting Pipelines............................................................................................................................................................51
3.5.1 Exhausting Nitrogen......................................................................................................................................................... 52
3.5.2 Pipeline Ports on the Indoor Unit................................................................................................................................ 53
3.5.3 Routing Refrigerant Pipes...............................................................................................................................................55
3.5.4 Connecting Water Pipes.................................................................................................................................................. 58
3.5.5 Charge Nitrogen................................................................................................................................................................ 59
3.6 Electric Cable Connections.................................................................................................................................................61
3.6.1 Cables to be Connected and Precautions..................................................................................................................61
3.6.2 Electrical Ports of an Indoor Unit................................................................................................................................ 62
3.6.3 Connecting the Power Cable to the Indoor Unit.................................................................................................... 64
3.6.4 Connecting the Voltage Jumper................................................................................................................................... 65
3.6.5 Connecting Signal Cables............................................................................................................................................... 65
3.6.5.1 Preparations Before Connecting Signal Cables....................................................................................................66
3.6.5.2 Connecting Outdoor Unit On/O Signal Cable...................................................................................................68
3.6.5.2.1 Connecting NetCol500-A072.................................................................................................................................. 68
3.6.5.2.2 Connecting NetCol500-A088.................................................................................................................................. 68
3.6.5.3 Connecting a Water Sensor (Optional)..................................................................................................................68
3.6.6 Teamwork Networking and Monitoring.................................................................................................................... 68
3.7 Removing the Protective Device from the NetCol8000-A...................................................................................... 72
3.7.1 Removing the Protective Device from the Infrared Humidier Lamp............................................................ 72
3.7.2 Connecting the signal cable to the HWA cable terminal.................................................................................... 73
3.7.3 Removing the Sheet Metals for Transporting the Compressor......................................................................... 75
3.8 Installation Verication.......................................................................................................................................................76
4 Power-On Commissioning................................................................................................... 79
4.1 Commissioning Preparations............................................................................................................................................ 79
4.2 Vacuumization and Partially Charging in Refrigerant............................................................................................. 79
4.2.1 Charging the Refrigerant and Refrigerant Oil......................................................................................................... 80
4.2.2 Vacuumization.................................................................................................................................................................... 80
4.2.3 Procedure to Partially Charging in Refrigerant....................................................................................................... 84
4.3 Commissioning...................................................................................................................................................................... 86
4.3.1 Circuit Breakers.................................................................................................................................................................. 86
4.3.2 Commissioning Procedure.............................................................................................................................................. 88
4.4 Check After the Commissioning...................................................................................................................................... 89
5 ACC Introduction................................................................................................................... 91
5.1 Home Screen.......................................................................................................................................................................... 91
5.2 Menu Hierarchy..................................................................................................................................................................... 93
5.3 Quick Settings........................................................................................................................................................................ 94
NetCol8000-A(050, 100) In-room Air Cooled Smart
Cooling Product
User Manual Contents
Issue 12 (2020-10-28) Copyright © Huawei Technologies Co., Ltd. vi
