5.1.3 Parts Replacement for the New Main Way .................................................................................................................. 118

5.1.3.1 Replacing the Power Distribution Unit ..................................................................................................................... 118

5.1.3.2 Replacing the Busbar Trunking Unit .........................................................................................................................120

5.1.3.3 Replacing the General Input Unit ..............................................................................................................................122

5.2 Replacing Cooling System Components .........................................................................................................................126

5.2.1 Replacement Requirements...........................................................................................................................................126

5.2.2 Replacing Components in the Electric Control Box ...................................................................................................126

5.2.3 Replacing an Air Filter ..................................................................................................................................................131

5.2.4 (Optional) Replacing a Condensate Pump ...................................................................................................................131

5.2.5 Replacing a Fan .............................................................................................................................................................133

5.2.6 Replacing an Electric Heater.........................................................................................................................................135

5.2.7 Replacing a Humidifier Cylinder..................................................................................................................................136

5.2.8 Replacing an Air Exhaust Temperature Sensor............................................................................................................138

5.2.9 Replacing an Air Intake Temperature Sensor...............................................................................................................139

5.2.10 Replacing a Water Inlet or Outlet Temperature Sensor .............................................................................................141

5.2.11 Replacing a Rectifier ...................................................................................................................................................142

5.2.12 Replacing a Water Valve Actuator and Chilled Water Valve ....................................................................................144

5.2.13 Replacing a Float .........................................................................................................................................................148

5.2.14 Replacing a Controller Panel ......................................................................................................................................150

5.3 Replacing an Aisle LED Light .........................................................................................................................................151

5.4 Parts Replacement for the Intelligent Battery Monitoring System ................................................................................153

5.4.1 Replacing a CIM ............................................................................................................................................................153

5.4.2 Replacing the BIM.........................................................................................................................................................155

5.5 Management System Parts Replacement ........................................................................................................................159

5.5.1 Replacing an ECC800 Subrack.....................................................................................................................................159

5.5.2 Replacing an ECC800 Main Control Module..............................................................................................................160

5.5.3 Replacing a PSU ............................................................................................................................................................160

5.5.4 Replacing the Hard Disk ...............................................................................................................................................161

5.5.5 Replacing a Rack Environment Unit ............................................................................................................................163

5.5.6 Replacing a Cabinet Electronic Lock ...........................................................................................................................164

5.5.7 Replacing an AC Actuator .............................................................................................................................................164

5.5.8 Replacing a Skylight Actuator ......................................................................................................................................165

5.5.9 Replacing a Skylight Magnetic Lock ...........................................................................................................................165

5.5.10 Replacing a Pad Power Connector .............................................................................................................................166

5.5.11 Replacing a Smart ETH Gateway ...............................................................................................................................171

5.5.12 Replacing a WiFi Converter........................................................................................................................................171

5.5.13 Replacing a Multi-Functional Sensor .........................................................................................................................172

5.5.14 Replacing a Smoke Detector .......................................................................................................................................172

5.5.15 Replacing a Water Sensor ...........................................................................................................................................173

5.5.16 Replacing an NTC Temperature Sensor .....................................................................................................................175

5.5.17 Replacing an Alarm Beacon........................................................................................................................................176

5.5.18 Replacing an Access Actuator.....................................................................................................................................176

Issue 01 (2019-03-05)

Huawei Proprietary and Confidential

Contents

Table of Contents