7 Maintenance............................................................................................................ 24
7.1 Preventive maintenance................................................................................. 24
7.2 Change the battery......................................................................................... 24
8 Troubleshooting......................................................................................................26
8.1 The unit does not work................................................................................... 26
9 Technical Reference................................................................................................27
9.1 Dimensions.......................................................................................................27
9.2 Environmental requirements......................................................................... 27
9.3 IP rating.............................................................................................................27
9.4 Electrical data...................................................................................................28
9.5 RTC battery.......................................................................................................28
9.6 Terminals.......................................................................................................... 28
Table of Contents
2 APP 412 Installation, Operation, and Maintenance manual