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15.5 Maintenance ..................................................................................................... 53
15.6 Precautions for actuator with lock........................................................... 53
16. Gateway unit and its peripheral devices /Specific product precautions 54
16.1 Design and selection ..................................................................................... 54
16.2 Handling.............................................................................................................. 54
16.3 Mounting............................................................................................................. 55
16.4 Electrical wiring ............................................................................................... 56
16.5 Power supply .................................................................................................... 56
16.6 Grounding........................................................................................................... 56
16.7 Maintenace........................................................................................................ 57
