Huawei NetCol8000-C070 User Manual page 7

NetCol8000-C(070, 130, 190) In-room Chilled Water
Smart Cooling Product
User Manual Contents
4.5.1 Setting Temperature and Humidity Values and Enabling T/H Sensors.......................................................... 88
4.5.2 (Optional) Setting the Pressure Difference Control.............................................................................................. 90
4.5.3 Setting Teamwork Control Parameters...................................................................................................................... 91
4.5.4 Setting Communications Parameters......................................................................................................................... 99
4.5.4.1 Setting Communications Parameters (Modbus RTU Protocol)......................................................................99
4.5.4.2 Setting Communications Parameters (Modbus TCP Protocol).................................................................... 100
4.5.4.3 Setting Communications Parameters (SNMP Protocol).................................................................................101
4.5.5 (Optional) Setting WIFI Parameters.........................................................................................................................105
4.5.6 Correlation Relationship of Parameters.................................................................................................................. 106
4.6 Startup.................................................................................................................................................................................... 108
4.7 Startup Wizard.................................................................................................................................................................... 112
4.8 (Optional) Power-off........................................................................................................................................................ 115
4.8.1 Antifreeze Handling....................................................................................................................................................... 116
4.9 Checking After Commissioning......................................................................................................................................118
5 WebUI.................................................................................................................................... 119
5.1 Preparations and WebUI Login...................................................................................................................................... 119
5.2 WebUI Introduction........................................................................................................................................................... 121
6 System Operation and Maintenance..............................................................................124
6.1 Routine Maintenance Overview.................................................................................................................................... 124
6.2 Monthly Maintenance.......................................................................................................................................................125
6.3 Semiannual Maintenance Items....................................................................................................................................126
6.4 Annual Maintenance......................................................................................................................................................... 128
6.5 Alarm References................................................................................................................................................................ 128
6.6 Troubleshooting.................................................................................................................................................................. 152
6.7 Parts Replacement............................................................................................................................................................. 156
6.7.1 Replacing the Air Filter................................................................................................................................................. 156
6.7.1.1 Replacing the Air Filter (Upflow)........................................................................................................................... 156
6.7.1.2 Replacing the Air Filter (Downflow)..................................................................................................................... 157
6.7.2 Replacing the Wet Film Humidifier.......................................................................................................................... 157
6.7.3 Replacing the Differential Pressure Switch............................................................................................................ 160
6.7.4 Replacing a T/H sensor................................................................................................................................................. 161
6.7.5 Replacing the Water Valve Actuator........................................................................................................................ 163
6.7.6 Replacing the Fan........................................................................................................................................................... 165
6.7.6.1 Replacing the Fan (Upflow)..................................................................................................................................... 166
6.7.6.2 Replacing the Fan (Downflow)............................................................................................................................... 170
6.7.7 Replacing the PSU.......................................................................................................................................................... 174
6.7.8 Replacing the Electric Heater..................................................................................................................................... 176
6.7.8.1 Replacing the Electric Heater (Upflow)............................................................................................................... 176
6.7.8.2 Replacing the Electric Heater (Downflow)......................................................................................................... 178
6.7.9 Replacing inlet solenoid valve.................................................................................................................................... 180
6.7.10 Replacing the LCD........................................................................................................................................................ 180
Issue 02 (2020-08-30) Copyright © Huawei Technologies Co., Ltd. vi