Huawei NetCol8000-E220 User Manual page 7

NetCol8000-E220 Modular Indirect Evaporative Cooling
System
User Manual
6.3 Troubleshooting ........................................................................................................................................................ 110
6.4 Alarm Reference ....................................................................................................................................................... 116
6.5 Parts Replacement .................................................................................................................................................... 157
6.5.1 Replacing the Air Filter.......................................................................................................................................... 157
6.5.2 Replacing the Fan .................................................................................................................................................. 158
6.5.3 Replacing the Differential Pressure Switch ........................................................................................................... 161
6.5.4 Replacing the Compressor ..................................................................................................................................... 162
6.5.5 Replacing the Driver .............................................................................................................................................. 165
6.5.6 Replacing the Float ................................................................................................................................................ 166
6.5.7 Replacing the Pump ............................................................................................................................................... 168
6.5.8 Replacing the Switch ............................................................................................................................................. 169
6.5.9 Replacing the Contactor......................................................................................................................................... 170
6.5.10 Replacing the SPD ............................................................................................................................................... 171
6.5.11 Replacing the Relay ............................................................................................................................................. 171
6.5.12 Replacing the Fuse ............................................................................................................................................... 172
6.5.13 Replacing the Thermorelay .................................................................................................................................. 172
6.5.14 Replacing the T/H Sensor .................................................................................................................................... 173
7 FAQ .............................................................................................................................................. 175
7.1 Operations on the LCD ............................................................................................................................................. 175
7.1.1 Querying Temperature and Humidity Curves ........................................................................................................ 175
7.1.2 Querying Logs ....................................................................................................................................................... 176
7.1.3 Querying Component Status .................................................................................................................................. 176
7.1.4 Querying System Parameters ................................................................................................................................. 176
7.1.5 Querying Version Details ....................................................................................................................................... 177
7.1.6 How to View Teamwork Control Information ....................................................................................................... 177
7.1.7 How to Silence the Buzzer ..................................................................................................................................... 177
7.1.8 How Can I Handle Active Alarms? ........................................................................................................................ 178
7.1.9 Deleting Historical Alarms .................................................................................................................................... 179
7.1.10 Deleting Logs....................................................................................................................................................... 180
7.1.11 Clearing the Runtime ........................................................................................................................................... 180
7.1.12 Calibrating a Sensor ............................................................................................................................................. 180
7.1.13 How to Modify a Password ................................................................................................................................. 181
7.1.14 How to Set Alarm Parameters .............................................................................................................................. 182
7.1.15 How to Commission Single Component .............................................................................................................. 184
7.1.16 Which Parameters Are Restored to Default Values After Default Settings Are Operated .................................... 185
7.1.17 Exporting Data ..................................................................................................................................................... 185
7.1.18 How to Export and Import a Configuration file ................................................................................................... 186
7.1.19 How to Import a Certificate and a Key ................................................................................................................ 189
7.2 WebUI Operations .................................................................................................................................................... 190
7.2.1 How to Manage WebUI Users ............................................................................................................................... 190
7.2.2 How to Install a Network Security Certificate ....................................................................................................... 192
Issue 02 (2019-10-10) Copyright © Huawei Technologies Co., Ltd.
Contents
vi