Description Of Enduser Settings; User Interface; Heating Circuit Operating Modes; Operating Mode Of D.h.w. Heating - Siemens ALBATROS QAA73.110 Basic Documentation

Description
Operating modes
, ,
Effect
Description
Effect
Notes
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Siemens Building Technologies
HVAC Products
3

Description of enduser settings

User interface

3.1 Heating circuit operating modes

The control provides 3 different heating circuit operating modes that can be directly
selected as required.
The operating modes are selected by pressing the heating circuit operating mode
button. It can be accessed after opening the cover.
The selected heating circuit operating mode applies to both heating circuits and is
indicated on the display by a pointer under the relevant symbol.
Operating Designation
mode
Automatic
operation
Continuous
operation
Standby
3.2

Operating mode of d.h.w. heating

D.h.w. heating can be switched on and off independent of the other operating modes.
D.h.w. heating ON is indicated by a pointer under the d.h.w. symbol
No pointer
Complete pointer
Half the pointer
OFF D.h.w. is not being heated.
ON D.h.w. heating is switched on; a setpoint is generated based on the
demand for heat and the settings and passed on to the BMU.
ON ECO D.h.w. operating mode for plants with instantaneous d.h.w. heating.
The setpoint is generated and passed on to the BMU. Die Temperatur
wird jedoch durch die Kesselregelung nicht ständig auf dem Sollwert
gehalten. D.h.w. heating is started only when d.h.w. is consumed.
• 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
• No d.h.w. functions are provided in OpenTherm Lite mode, that is, the d.h.w.
operating mode button is inactive
Basic Documentation QAA73.110 Room unit
Description of enduser settings
Effect of selected operating mode
• Heating circuit 1 according to time switch program 1
• Heating circuit 2 according to time switch program 2
• Holiday function is active
• Heating circuits 1 and 2 continuously according to
the adjusted nominal room temperature setpoint or
reduced setpoint
• Holiday function is not active
• Heating circuits 1 and 2 are switched off
• Holiday function is not active
• Frost protection functions are active
OFF
ON
ON with ECO function
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This operating mode must be enabled on setting line 93!
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CE1P2284en
10.07.2002