3.4 Layout Principles................................................................................................................................................................... 38
3.5 Holes......................................................................................................................................................................................... 39
3.6 Checking the Nitrogen Pressure...................................................................................................................................... 40
3.7 Securing an Indoor Unit..................................................................................................................................................... 41
3.8 Securing an Outdoor Unit..................................................................................................................................................43
3.9 Connecting Refrigerant Pipes........................................................................................................................................... 45
3.10 Connecting Water Pipes................................................................................................................................................... 49
3.10.1 (Optional) Connecting the Humidier Water Inlet Pipe................................................................................... 49
3.10.2 Connecting the Condensate Drainpipe....................................................................................................................51
3.11 Connecting Cables..............................................................................................................................................................53
3.11.1 Cables to be Connected................................................................................................................................................ 53
3.11.2 Connecting the Power Cable to an Indoor Unit................................................................................................... 54
3.11.3 (Optional) Connecting the Signal Cable to the Indoor Unit............................................................................54
3.11.4 Connecting the Outdoor Unit Power Cable and the Signal Cable Between Indoor and Outdoor
Units..................................................................................................................................................................................................55
3.11.5 (Optional) Connecting Teamwork and Monitoring Cables.............................................................................. 55
3.11.6 Cable Routes..................................................................................................................................................................... 57
3.12 Leakage Test with Nitrogen............................................................................................................................................ 58
3.13 Vacuumizing......................................................................................................................................................................... 59
3.14 Verifying the Installation................................................................................................................................................. 62
4 Power-On Commissioning................................................................................................... 64
4.1 Controller Description......................................................................................................................................................... 64
4.2 Device Power-On...................................................................................................................................................................67
4.3 Setting Temperature and Humidity Values..................................................................................................................71
4.4 (Optional) Setting Teamwork Parameters................................................................................................................... 72
4.5 (Optional) Setting Monitoring Parameters................................................................................................................. 75
4.6 Component Commissioning.............................................................................................................................................. 76
4.7 Checking After Commissioning........................................................................................................................................ 79
5 System Operation and Maintenance................................................................................ 80
5.1 Routine Maintenance.......................................................................................................................................................... 80
5.1.1 Routine Maintenance Overview................................................................................................................................... 80
5.1.2 Preventive Maintenance Tables.................................................................................................................................... 81
5.2 Troubleshooting..................................................................................................................................................................... 83
5.3 Alarm Reference.................................................................................................................................................................... 86
5.4 Component Replacement................................................................................................................................................ 108
5.4.1 Replacing Indoor Unit Components......................................................................................................................... 108
5.4.1.1 Replacing an Air Filter............................................................................................................................................... 108
5.4.1.2 (Optional) Replacing a Humidier Water Pump..............................................................................................109
5.4.1.3 (Optional) Replacing an Electric Heater............................................................................................................. 110
5.4.1.4 (Optional) Replacing a Wet Film Humidier.....................................................................................................112
5.4.1.5 Replacing an Indoor Fan........................................................................................................................................... 113
5.4.1.6 Replacing a Main Control Board............................................................................................................................ 114
NetCol8000-A013 In-room Air Cooled Smart Cooling
Product
User Manual (800 mm Width) Contents
Issue 06 (2022-11-25) Copyright © Huawei Technologies Co., Ltd. v