12.4 Replacing an Air Filter (FDC Scenario).....................................................................................................................156
12.5 Replacing a Differential Pressure Switch (Building Scenario).......................................................................... 157
12.6 Replacing a Differential Pressure Switch (FDC Scenario).................................................................................. 159
12.7 Replacing a T/H Sensor (Building Scenario).......................................................................................................... 161
12.8 Replacing a T/H Sensor (FDC Scenario).................................................................................................................. 162
12.9 Replacing an Air Exhaust NTC Temperature Sensor (Building Scenario)..................................................... 164
12.10 Replacing an Air Exhaust NTC Temperature Sensor (FDC Scenario)...........................................................166
12.11 Replacing an Air Supply NTC Temperature Sensor............................................................................................ 166
12.12 Replacing an Air Supply Fan...................................................................................................................................... 168
12.13 Replacing an Exhaust Fan...........................................................................................................................................171
12.14 Replacing a Precooling Module................................................................................................................................ 174
12.15 Replacing a Compressor.............................................................................................................................................. 176
12.15.1 Replacing a Compressor.......................................................................................................................................... 176
12.15.2 R410A Refrigerant......................................................................................................................................................179
12.15.3 Leakage Test with Nitrogen for Refrigerant Pipes..........................................................................................181
12.15.4 Vacuumizing and Precharging Refrigerant........................................................................................................182
12.15.4.1 Refrigerant Charge Amount Requirements................................................................................................... 183
12.15.4.2 Vacuumizing............................................................................................................................................................. 183
12.15.4.3 Precharging Refrigerant........................................................................................................................................184
12.15.5 Charging the Remaining Refrigerant...................................................................................................................186
12.16 Replacing a Filter Dryer...............................................................................................................................................187
12.17 Replacing a Compressor Drive.................................................................................................................................. 189
12.18 Replacing a Fan Drive.................................................................................................................................................. 191
12.19 Replacing a Liquid Level Sensor............................................................................................................................... 192
12.20 Replacing a Water Pump............................................................................................................................................ 194
12.21 Replacing a Switch........................................................................................................................................................ 195
12.22 Replacing a Contactor..................................................................................................................................................197
12.23 Replacing an SPD...........................................................................................................................................................198
12.24 Replacing a Fuse............................................................................................................................................................ 199
12.25 Replacing a Relay.......................................................................................................................................................... 199
13.1 Operations with a USB Flash Drive............................................................................................................................202
13.1.1 How Do I Export Data?...............................................................................................................................................203
13.1.2 How Do I Import and Export a Configuration File?......................................................................................... 204
13.1.3 How Do I Import a Certificate and Key?.............................................................................................................. 205
13.2 Display Module Screen Operations............................................................................................................................206
13.2.1 How Do I Set LAN Parameters?...............................................................................................................................206
13.2.2 How Do I Check Temperature and Humidity Curves?..................................................................................... 207
13.2.3 How Do I View Logs?.................................................................................................................................................. 208
13.2.4 How Do I View Component Status?.......................................................................................................................208
13.2.5 How Do I View System Parameters?..................................................................................................................... 208
13.2.6 How Do I View Version Information?.................................................................................................................... 209
FusionCol8000-E240 Modular Indirect Evaporative
Cooling System
User Manual
Contents
Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
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