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Siemens RDF301. / RDF301.50 / RDF600KN CE1N3171en
Building Technologies Semi flush-mount room thermostats with KNX communications 2012.10-04
Wiring
See the mounting instructions M3171... enclosed with the thermostat.
Comply with local regulations to wire, fuse and earth the thermostat.
Properly size the cables to the thermostat, fan and valve actuators for AC 230
V mains voltage.
Use only valve actuators rated for AC 230 V.
The AC 230 V mains supply line must have an external fuse or circuit breaker
with a rated current of no more than 10 A.
Cables of SELV inputs X1-M/X2-M: Use cables with 230 V insulation, as the
conduit box carries AC 230 V mains voltage.
Inputs X1-M or X2-M of different units (e.g. summer/winter switch) may be
connected in parallel with an external switch. Consider overall maximum
contact sensing current for switch rating.
KNX communication cables (input CE+ / CE-): Use cables with 230 V
insulation, as the conduit box carries AC 230 V mains voltage.
No metal conduits.
No cables provided with a metal sheath.
Disconnect from supply before opening the cover.
Commissioning notes
The room thermostats are delivered with a fixed set of applications.
Select and activate the relevant application during commissioning using one of the
following tools:
Local DIP switch and HMI
Synco ACS
ETS
Set the DIP switches before snapping the front panel to the mounting plate, if you
want to select an application via DIP switches.
All DIP switches need to be set to “OFF” ("remote configuration"), if you want to
select an application via commissioning tool.
After power is applied, the thermostat resets and all LCD segments flash, indica-
ting that the reset was correct. After the reset, which takes about 3 seconds, the
thermostat is ready for commissioning by qualified HVAC staff.
If all DIP switches are OFF, the display reads "NONE" to show that an application
needs to be set via tool.
Each time the application is changed, the thermostat reloads the factory setting for
all control parameters, except for KNX device and zone addresses!
Applications
Note