4.2.2 Ventilation .................................................................................................. 22
4.2.3 Fire-extinguisher System .............................................................. 23
4.2.4 Grounding System ................................................................................... 23
4.2.5 Clearance ...................................................................................................... 23
4.3 Preparation Before Installation ............................................ 24
4.3.1 Operating Precautions ........................................................................ 24
4.3.2 Plan the Installation Site .......................................................... 25
4.3.3 Unboxing the Package ........................................................................... 25
4.4 Wall and Ground Mounting ................................................................ 26
4.4.1 Wall Mounting .............................................................................................. 26
4.4.2 Ground Mounting ........................................................................................ 30
4.5 Power Connection ...................................................................................... 34
4.6 Make Communication Connection .................................................. 36
4.7 Make Grounding Connection ............................................................. 39
4.8 Enclosure Installing ........................................................................... 40
4.9 Power on ............................................................................................................ 41
4.10 Power off.......................................................................................................... 44
4.11 Guide of USB ................................................................................................. 45
4.12 User Manual of WiFi module .......................................................... 45
4.13 Multi-group mode ...................................................................................... 46
5 Trouble shooting .......................................................................................... 50
6 Remarks ................................................................................................................ 56