Operating Instructions

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Siemens Synco™ living CE1B2740en
Building Technologies Central apartment unit QAX9x3 13.12.2010
The central apartment unit is supplied with the following factory set-
tings for all weekdays: 05:00 for changeover to the Normal setpoint,
22:00 for changeover to the Reduced setpoint.
Actual value of the DHW temperature
The actual value of the DHW temperature can be displayed:
Main menu > DHW > DHW state > Act val DHW temp:
DHW temperature setpoint
The current DHW temperature setpoint can be queried:
Main menu > DHW > DHW state > DHW temp setpoint:
Operating state of charging pump and electric
immersion heater
The current operating state of the charging pump and the electric immersion
heater can be displayed:
Main menu > DHW > DHW state > Charging pump:
Main menu > DHW > DHW state > El immersion heater:
Plant operation
The current operating state of DHW heating (Off / Ready / Charging) can be
displayed:
Main menu > DHW > DHW state > Plant operation:
Reason
The reason for the current DHW plant operation can be displayed (commis-
sioning / frost / legionella function / time switch):
Main menu > DHW > DHW state > Cause:
Limitation of charging time
This display shows whether limitation of the charging time is currently inactive
or active. The maximum permissible charging time was preset when the plant
was commissioned.
Main menu > DHW > DHW state > Charging time limit: