Operating Instructions

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Siemens Synco™ living CE1B2740en
Building Technologies Room unit QAW910 13.12.2010
Possible displays
Status display of battery: If the battery is sufficiently
charged, the symbol is briefly displayed when pressing the
function button.
Status display of battery: If the battery charge drops below
a certain percentage, the symbol is constantly displayed,
independent of the unit’s operating state.
Summer operation active.
Room timer function active.
Display of automatic mode. Current operating level in ac-
cordance with the central apartment unit’s time program.
Display of manual mode. Current operating level in accor-
dance with the settings entered on the room unit.
Control to Comfort setpoint.
Control to Precomfort setpoint.
Control to Economy setpoint.
Control to Protection setpoint.
Override by the central apartment unit: Apartment operat-
ing mode different from “AUTO” (e.g. due to active holiday
program, absence, active apartment timer, or summer op-
eration).
Connection test, communication error, binding.
Device fault: Sensor with short-circuit or open-circuit,
communication error.
Room setpoint limitation active (see page 44).
Updating the room operating mode. Hourglass displayed
when sending / retrieving the current / resulting room oper-
ating mode.
°C
Room temperature unit.
Readjustment bar indicates active room temperature set-
point readjustment.