Operating Instructions

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Siemens Synco™ living CE1B2740en
Building Technologies Central apartment unit QAX9x3 13.12.2010
Manual forced charging of the DHW storage tank can also be triggered via the
following operating line:
Main menu > DHW > Operating mode > Forced charging man:
No Do not start manual forced charging.
Yes Start manual forced charging. After forced charging is
started, "No" is displayed again.
State of DHW operating mode
The present state of the DHW operating mode can be displayed (Auto, Nor-
mal, Reduced, Protection).
Main menu > DHW > Operating mode > State:
Reason for DHW operating mode
If the current DHW operating mode does not meet your needs, the reason for
the operating mode can be displayed:
Main menu > DHW > Operating mode > Cause
Possible reasons for the current operating state:
• Commissioning
• Electrical heating
• Forced charging
• DHW charging lock
• Legionella program
• DHW operating mode (if not “Auto“)
• Special day / holidays / absence
• DHW time switch
• Summer operation
DHW operating mode during absence
The DHW operating mode required during absence can be selected:
Main menu > DHW > Operating mode > Optg mode absence:
--- Absence has no influence on DHW operating mode.
(factory setting)
Normal
DHW temperature is heated to Normal setpoint during ab-
sence.
Reduced
DHW temperature is heated to Reduced setpoint during ab-
sence.
Protection
DHW temperature is heated to Protection setpoint during ab-
sence.