Huawei FusionCol8000-E240 User Manual page 8

FusionCol8000-E240 Modular Indirect Evaporative
Cooling System
User Manual Contents
8.4.9 Replacing an Air Exhaust NTC Temperature Sensor (Building Scenario).................................................... 152
8.4.10 Replacing an Air Exhaust NTC Temperature Sensor (FDC Scenario)..........................................................153
8.4.11 Replacing an Air Supply NTC Temperature Sensor........................................................................................... 154
8.4.12 Replacing an Air Supply Fan..................................................................................................................................... 155
8.4.13 Replacing a Compressor............................................................................................................................................. 158
8.4.13.1 Replacing a Compressor......................................................................................................................................... 158
8.4.13.2 R410A Refrigerant..................................................................................................................................................... 161
8.4.13.3 Injecting Nitrogen to Preserve the Pressure for Refrigerant Pipes...........................................................163
8.4.13.4 Vacuumizing and Precharging Refrigerant.......................................................................................................164
8.4.13.4.1 Refrigerant Charge Amount Requirements.................................................................................................. 164
8.4.13.4.2 Vacuumizing............................................................................................................................................................ 164
8.4.13.4.3 Precharging Refrigerant....................................................................................................................................... 166
8.4.13.5 Charging the Remaining Refrigerant..................................................................................................................167
8.4.14 Replacing a Filter Dryer.............................................................................................................................................. 169
8.4.15 Replacing a Compressor Drive................................................................................................................................. 171
8.4.16 Replacing a Fan Drive................................................................................................................................................. 172
8.4.17 Replacing a Float.......................................................................................................................................................... 174
8.4.18 Replacing a Water Pump........................................................................................................................................... 175
8.4.19 Replacing a Switch....................................................................................................................................................... 176
8.4.20 Replacing a Contactor................................................................................................................................................. 178
8.4.21 Replacing an SPD..........................................................................................................................................................179
8.4.22 Replacing a Fuse........................................................................................................................................................... 180
8.4.23 Replacing a Relay......................................................................................................................................................... 180
9 FAQ......................................................................................................................................... 183
9.1 LCD Screen Operations..................................................................................................................................................... 183
9.1.1 How Do I Check Temperature and Humidity Curves?........................................................................................183
9.1.2 How Do I View Logs?.....................................................................................................................................................184
9.1.3 How Do I Check the Component Status?............................................................................................................... 184
9.1.4 How Do I View System Parameters?........................................................................................................................ 185
9.1.5 How Do I View Version Information?...................................................................................................................... 186
9.1.6 How Do I View the Service Information?............................................................................................................... 186
9.1.7 How Do I Check Teamwork Control Information?.............................................................................................. 186
9.1.8 How Do I Mute or Silence a Buzzer?....................................................................................................................... 187
9.1.9 How Can I Handle Alarms?......................................................................................................................................... 187
9.1.10 How Do I Clear Component Runtime?..................................................................................................................188
9.1.11 How Do I Calibrate a T/H Sensor?......................................................................................................................... 189
9.1.12 How Do I Change the Password?............................................................................................................................189
9.1.13 How Do I Set the Balance of Water and Electricity Consumption?............................................................ 190
9.1.14 How Do I Set Alarm Parameters?........................................................................................................................... 191
9.1.15 How Do I Commission a Component?.................................................................................................................. 192
9.1.16 How Do I Query the Setting of a Parameter Before Change?...................................................................... 193
9.1.17 How Do I Export Data?...............................................................................................................................................193
Issue 01 (2021-01-30) Copyright © Huawei Technologies Co., Ltd. vii