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NetCol8000-C(070-260) In-room Chilled Water Smart
User Manual
3.6.11.2 Connecting a Downflow Differential Pressure Sensor ...................................................................................... 111
3.6.12 (Optional) Installing a Cap (Applicable to Upflow Units) ................................................................................... 114
3.7 Installation Verification ............................................................................................................................................. 117
4 Commissioning.......................................................................................................................... 121
4.1 Preparing for Power-On ............................................................................................................................................ 121
4.2 Power-On .................................................................................................................................................................. 122
4.3 Home Screen ............................................................................................................................................................. 127
4.4 Initial Configuration ................................................................................................................................................. 129
4.4.1 Setting Temperature and Humidity Values and Enabling T/H Sensors .................................................................. 129
4.4.2 (Optional) Setting the Pressure Difference Control ............................................................................................... 131
4.4.3 Setting Teamwork Control Parameters .................................................................................................................. 132
4.4.4 Setting Communications Parameters ..................................................................................................................... 138
4.4.4.1 Setting Communications Parameters (Modbus RTU Protocol) .......................................................................... 138
4.4.4.2 Setting Communications Parameters (Modbus TCP Protocol) ........................................................................... 138
4.4.4.3 Setting Communications Parameters (SNMP Protocol) ..................................................................................... 140
4.4.5 (Optional) Setting WIFI Parameters ...................................................................................................................... 145
4.5 Startup ....................................................................................................................................................................... 146
4.6 Startup Wizard .......................................................................................................................................................... 153
4.7 (Optional) Power-off ................................................................................................................................................. 157
4.8 Checking After Commissioning ................................................................................................................................ 158
5 WebUI ......................................................................................................................................... 160
5.1 Preparations and WebUI Login ................................................................................................................................. 160
5.2 WebUI Introduction .................................................................................................................................................. 163
6 System Operation and Maintenance ..................................................................................... 167
6.1 Routine Maintenance Overview ............................................................................................................................... 167
6.2 Monthly Maintenance ............................................................................................................................................... 168
6.3 Semiannual Maintenance Items ................................................................................................................................ 169
6.4 Annual Maintenance ................................................................................................................................................. 171
6.5 Alarm References...................................................................................................................................................... 171
6.6 Troubleshooting ........................................................................................................................................................ 237
6.7 Parts Replacement .................................................................................................................................................... 239
6.7.1 Replacing the Air Filter.......................................................................................................................................... 239
6.7.2 Replacing the Wet Film Humidifier ....................................................................................................................... 241
6.7.3 Replacing the Differential Pressure Switch ........................................................................................................... 243
6.7.4 Replacing a T/H sensor .......................................................................................................................................... 245
6.7.5 Replacing the Water Valve Actuator (Inapplicable to 52272560 and 52272562) .................................................. 247
6.7.6 Replacing the Water Valve Actuator (Applicable Only to 52272560 and 52272562) ............................................ 249
6.7.7 Replacing the Chilled Water Valve ........................................................................................................................ 250
6.7.8 Replacing the Fan .................................................................................................................................................. 252
6.7.8.1 Replacing the Fan (Upflow) ............................................................................................................................... 252
6.7.8.2 Replacing the Fan (Downflow) ........................................................................................................................... 257
Issue 06 (2020-01-13)
Copyright © Huawei Technologies Co., Ltd.
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