User Manual

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Siemens Synco™ living CE1B2740en
Building Technologies Service 13.12.2010
Replace the battery compartment
cover.
Dispose of the old batteries in compli-
ance with environmental regulations.
2707Z15
2701Z22
Display after battery change
After inserting new batteries, the full
display appears for 2 seconds. The
room unit then returns to Normal op-
eration.
The central apartment unit queries the room operating mode settings.
Active room timer functions are not reactivated.
After inserting the new batteries, the battery charge is checked at the room
temperature sensor QAA910 and meteo sensor QAC910 as well as water de-
tector QFP910. During the check, the green LED lights up for 2 seconds, pro-
vided the batteries are charged sufficiently.
After the battery check, the devices directly switch to Normal operation. The
LED goes out again.
Radiator control actuator SSA955
Make 3 new Alkaline AA batteries
ready for insertion (LR6/1.5 V).
Press on the snap-on cover…
2707Z22
2707 Z23