3
Figure 1: Basic arrangement connecting BUS thermostat
The RJ45 plug-in connection of the BUS thermostat, the adapter board and the Y-
bord are for communication purposes with the internal RS485 BUS only! Every
other use results in damaging the internal modules!
All electrical connections of the BUS thermostat board are described in appendix 1 wiring diagram BUS
thermostat.
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