Communication
Protocol
KNX is used as protocol (radio and/or wire).
KNX TP1
2-wire bus as per KNX TP1, with additional RJ45 plug
connection to connect service tool.
KNX RF
RF bus conforming to KNX RF
Maintenance/service
Peripheral devices
Restore factory settings
To restore the factory settings of the peripheral devices, press the multifunc-
tion or binding button on the device for at least 20 seconds. Press simultane-
ously the two upper buttons on the handheld control for at least 20 seconds.
The unit restarts. The factory settings are restored and the device is no longer
connected to the central apartment unit.
Manual control of the radiator control actuator
For service work, or in the event of
fault, the SSA955 can be brought
into any position using a 3 mm
hexagon socket wrench.
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Siemens
Building Technologies
Synco™ living
Communication
3 mm
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+
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CE1C2740en
13.12.2010