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Siemens
Room Unit for Boiler Control
CE1U2283en
Building Technologies
Handling
2015-09-16
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Selecting the DHW heating mode
The button is used to switch DHW heating mode on and off.
·
On
The DHW is heated according to the selected switching program. A setpoint is
generated based on the demand for heat and the settings and passed on to the
BMU.
·
Off
No DHW heating
This function allows to set a temporary setpoint.
Triggering is effected by keeping the DHW operating mode button for at least 3
seconds.
The setpoint remins active during 55 minutes -> tap symbol is blinking.
·
To disactivate the function before the end of the 55 min press DHW button
·
The d.h.w. operating mode and the different d.h.w. functions are active only if
supported by boiler control and if communicated in OpenTherm Plus mode
The QAA73.110 has no frost protection function for d.h.w. heating. Frost protection
for d.h.w. must be ensured by boiler control.
Adjusting the room temperature setpoint "tAMB"
Push the + /– buttons to increase or decrease the
Comfort setpoint
.
The
Reduced setpoint
can be adjusted in programming level.
Adjusting the DHW temperature setpoint "HW SP"
Push the + /– buttons to increase or decrease the
Nominal setpoint
.
The
Reduced setpoint
can be adjusted in programming level.
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.
·
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
During the holiday period, the heating circuit operating level changes
to frost protection.
The setting range is between 10 minutes and 45 days.
·
This function is only active in automatic mode.
·
The function can be cancelled by pressing any button
DHW heating mode
DHW shower
Notes
Caution
