Operation Manual

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Siemens Schweiz AG User Manual CE1U2354en
HVAC Products QAA55... 23. August 2007
5.3 QAA55...
5.3.1 Operation
Operating elements
2358Z34
Display options
Heating to Comfort setpoint Burner operating (only oil / gas boiler)
Heating to Reduced setpoint Error messages
Display of all displayable symbols and
segments.
Example of basic display:
2354Z09
2354Z09
Selection of space heating mode
This setting is used to switch between the different
operating modes. The selection made is indicated by a
bar which appears below the respective symbol.
Automatic mode
Automatic mode controls the room temperature according to the time program.
Characteristics of automatic mode:
− Heating mode according to the time program
− Temperature setpoints according to the heating program "Comfort setpoint" or
"Reduced setpoint"
− Protective functions active
− Automatic summer / winter changeover (ECO functions)
Display
Selecting the
operating mode
Presence button
A
djustment of room Comfort
setpoint