FusionModule800 Smart Small Data Center
Maintenance Guide
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
5.2.15 Replacing a Battery Current Sensor ....................................................................................................................... 55
5.3 Replacing Cooling System Components .................................................................................................................... 57
5.3.1 Replacing Indoor Unit Components ........................................................................................................................ 57
5.3.1.1 Replacing a Return Air Filter ................................................................................................................................ 59
5.3.1.2 Replacing an Indoor Fan ....................................................................................................................................... 60
5.3.1.3 Replacing a Condensate Pump.............................................................................................................................. 63
5.3.1.4 Replacing a Humidifier Pump .............................................................................................................................. 65
5.3.1.5 Replacing a Wet Film Humidifier ......................................................................................................................... 66
5.3.1.6 Replacing an Electric Heater ................................................................................................................................ 68
5.3.1.7 Replacing a Liquid Level Detector ....................................................................................................................... 70
5.3.1.8 Replacing a Humidifier Float ............................................................................................................................... 73
5.3.1.9 Replacing a Differential Pressure Switch ............................................................................................................. 73
5.3.1.10 Replacing a PSU ................................................................................................................................................. 74
5.3.2 Replacing Outdoor Unit Components ...................................................................................................................... 76
5.3.2.1 Replacing an Outdoor Fan .................................................................................................................................... 77
5.3.2.2 Replacing a Compressor ....................................................................................................................................... 80
5.3.2.3 Replacing a Filter Dryer ....................................................................................................................................... 82
5.3.2.4 Replacing a High Pressure Sensor ........................................................................................................................ 84
5.3.2.5 Replacing an Oil Heating Belt .............................................................................................................................. 85
5.3.2.6 Replacing a Pneumatic Switch.............................................................................................................................. 86
5.3.2.7 Replacing a Safety Valve ...................................................................................................................................... 87
5.4 Replacing Monitoring System Components ............................................................................................................... 88
5.4.1 Replacing a CIM ...................................................................................................................................................... 89
5.4.2 Replacing BIMs ....................................................................................................................................................... 90
5.4.3 Replacing an ECC800 Main Control Module .......................................................................................................... 91
5.4.4 Replacing a PSU ...................................................................................................................................................... 93
5.4.5 Replacing a Smart ETH Gateway ............................................................................................................................ 94
5.4.6 Replacing ECC800 Antennas ................................................................................................................................... 96
5.4.7 Replacing a Micro SD Card ..................................................................................................................................... 97
5.4.8 Replacing a WiFi Module ........................................................................................................................................ 98
5.4.9 Replacing an External AI/DI Unit ............................................................................................................................ 99
5.4.10 Replacing a Camera ............................................................................................................................................. 100
5.4.11 Replacing a VCN500 ........................................................................................................................................... 102
5.4.12 Replacing a T/H Sensor ....................................................................................................................................... 104
5.4.13 Replacing a Temperature Sensor .......................................................................................................................... 106
5.4.14 Replacing a Smoke Detector ................................................................................................................................ 107
5.4.15 Replacing a Water Sensor and Water Detection Rope ......................................................................................... 108
A Preventive Maintenance Table .............................................................................................. 113
B Acronyms and Abbreviations ................................................................................................ 149
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