Huawei NetCol8000-E220 User Manual page 8

NetCol8000-E220 Modular Indirect Evaporative
Cooling System
User Manual Contents
6.2.1 Monthly Maintenance................................................................................................................................................... 121
6.2.2 Quarterly Maintenance................................................................................................................................................. 123
6.2.3 Yearly Maintenance........................................................................................................................................................ 124
6.3 Troubleshooting.................................................................................................................................................................. 126
6.4 Alarm Reference..................................................................................................................................................................133
6.5 Parts Replacement............................................................................................................................................................. 205
6.5.1 Replacing the Air Filter................................................................................................................................................. 205
6.5.2 Replacing the Fan........................................................................................................................................................... 206
6.5.3 Replacing the Differential Pressure Switch............................................................................................................ 209
6.5.4 Replacing the Compressor........................................................................................................................................... 210
6.5.5 Replacing the Driver.......................................................................................................................................................213
6.5.6 Replacing the Float........................................................................................................................................................ 214
6.5.7 Replacing the Pump....................................................................................................................................................... 216
6.5.8 Replacing the Switch......................................................................................................................................................218
6.5.9 Replacing the Contactor............................................................................................................................................... 218
6.5.10 Replacing the SPD........................................................................................................................................................ 219
6.5.11 Replacing the Relay..................................................................................................................................................... 220
6.5.12 Replacing the Fuse....................................................................................................................................................... 220
6.5.13 Replacing the Thermorelay....................................................................................................................................... 221
6.5.14 Replacing the T/H Sensor.......................................................................................................................................... 222
7 FAQ......................................................................................................................................... 223
7.1 Operations on the LCD..................................................................................................................................................... 223
7.1.1 Querying Temperature and Humidity Curves....................................................................................................... 223
7.1.2 Querying Logs.................................................................................................................................................................. 224
7.1.3 Querying Component Status.......................................................................................................................................224
7.1.4 Querying System Parameters..................................................................................................................................... 225
7.1.5 Querying Version Details.............................................................................................................................................. 225
7.1.6 How to View Teamwork Control Information.......................................................................................................225
7.1.7 How to View Teamwork Control Information.......................................................................................................225
7.1.8 How Can I Handle Active Alarms?............................................................................................................................ 226
7.1.9 Deleting Historical Alarms........................................................................................................................................... 227
7.1.10 Deleting Logs................................................................................................................................................................. 228
7.1.11 Clearing the Runtime.................................................................................................................................................. 228
7.1.12 Calibrating a Sensor.....................................................................................................................................................229
7.1.13 How to Modify a Password....................................................................................................................................... 229
7.1.14 How to Set Alarm Parameters................................................................................................................................. 230
7.1.15 How to Commission Single Component............................................................................................................... 232
7.1.16 Which Parameters Are Restored to Default Values After Default Settings Are Operated.................. 232
7.1.17 Exporting Data...............................................................................................................................................................233
7.1.18 How to Export and Import a Configuration File................................................................................................234
7.1.19 How to Import a Certificate and a Key................................................................................................................. 237
7.2 WebUI Operations.............................................................................................................................................................. 238
Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd. vii