Operation Manual

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Siemens Schweiz AG User Manual CE1U2354en
HVAC Products QAA55... 23. August 2007
Continuous operation or
Continuous operation maintains the room temperature at the selected operating level.
Heating to Comfort setpoint
Heating to Reduced setpoint
Characteristics of continuous operation:
Heating mode with no time program
Protective functions active
Automatic summer / winter changeover (ECO functions) and 24-hour heating limit
inactive in the case of continuous operation with Comfort setpoint
Protection
When using Protection, the heating system is off. However, it remains protected against
frost (frost protection temperature) provided there is no power failure.
Characteristics of Protection:
Heating off
Temperature according to frost protection
Protective functions active
Automatic summer / winter changeover (ECO functions) and automatic 24-hour
heating limit active
Adjusting the room temperature setpoint
Turn the setting knob to increase or decrease the
Comfort setpoint .
For the Reduced setpoint
Press OK
Select operating page “Heating circuit“ and
adjust the “Reduced setpoint“
After each readjustment, wait at least 2 hours, allowing the room temperature to adapt.
Presence button
If you do not use the rooms for a certain period of time, you can
press the presence button to reduce the room temperature, thus
saving heating energy.
When the rooms are occupied again, press again the presence
button to resume heating operation.
Heating to Comfort setpoint
Heating to Reduced setpoint
The presence button is only active in automatic operation
The current selection is active until the next switching action according to the heating
program takes place