Room temperature controller with 7-day time switch, lcd and opt. remote temperature sensor for heating systems (9 pages)
Summary of Contents for Siemens ALBATROS QAA73.110
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QAA73.110 Room Unit for Boiler Control with OpenTherm Interface Basic Documentation Edition 1.2 Device series A Siemens Building Technologies CE1P2284en HVAC Products 10.07.2002...
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2/70 Siemens Building Technologies Basic Documentation QAA73.110 Room unit CE1P2284en HVAC Products 10.07.2002...
Summer / winter changeover temperature.............32 3.16 Language .......................33 3.17 Indication of faults ..................33 3.18 Boiler status code ..................34 Description of the heating engineer settings..........35 Service values ....................35 3/70 Siemens Building Technologies Basic Documentation QAA73.110 Room unit CE1P2284en HVAC Products Contents 10.07.2002...
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Service functions OEM.................. 58 5.11 Info display ....................58 5.12 Frost warning....................58 5.13 Operation....................... 59 5.14 Action occupancy button ................59 5.15 Software version ................... 59 4/70 Siemens Building Technologies Basic Documentation QAA73.110 Room unit CE1P2284de HVAC Products Contents 10.07.2002...
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D.h.w. push ....................63 Frost protection ....................64 6.5.1 Frost protection for the building ..............64 6.5.2 Frost protection for the boiler and the d.h.w..........64 Dimensions....................65 Technical data ....................66 5/70 Siemens Building Technologies Basic Documentation QAA73.110 Room unit CE1P2284en HVAC Products Contents 10.07.2002...
• The heating programs and the d.h.w. program can be reset to their default settings • Programming lock (e.g. for child-proofing) • Clear text display in a number of selectable languages • Special mode for setting the parameters of Siemens boiler control systems • Weather-compensated flow temperature control while giving consideration to the Functions building’s thermal dynamics...
Note on disposal The unit contains electrical and electronic components and may not be disposed of as household garbage. Local and currently valid legislation must be complied with! 7/70 Siemens Building Technologies Basic Documentation QAA73.110 Room unit CE1P2284en HVAC Products Summary 10.07.2002...
Open the unit at the top and remove the 1. step base from the housing front. Fit the base to the wall with the help of 2. step screws. 8/70 Siemens Building Technologies Basic Documentation QAA73.110 Room unit CE1P2284en HVAC Products Handling 10.07.2002...
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1. step Engage the housing front at the top of 2. step the base and close the unit to the bottom. 9/70 Siemens Building Technologies Basic Documentation QAA73.110 Room unit CE1P2284en HVAC Products Handling 10.07.2002...
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Due to the dimensions of the front, however, the standard spacing is 96 mm. The mechanical mounting facility allows the controller to be fitted in front panels having a thickness of 1 to 3 mm. 1...2.5 +0.8 10/70 Siemens Building Technologies Basic Documentation QAA73.110 Room unit CE1P2284en HVAC Products Handling 10.07.2002...
Regulations for The local regulations for electrical installations must be complied with. installation Connection diagram OpenTherm terminal A (interchangeable) OpenTherm terminal B (interchangeable) 23 mA max 11/70 Siemens Building Technologies Basic Documentation QAA73.110 Room unit CE1P2284en HVAC Products Handling 10.07.2002...
Operating elements 5 to 8. Can be accessed only after opening a cover. Display The room unit has 2 display levels: • The info level • The parameter setting / programming level 12/70 Siemens Building Technologies Basic Documentation QAA73.110 Room unit CE1P2284en HVAC Products Handling 10.07.2002...
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Current operating level Display of measured value ”Outside temperature”: Parameter name Parameter value Example of parameter Display of parameter ”Holidays start”: level Parameter name Parameter number Parameter value 13/70 Siemens Building Technologies Basic Documentation QAA73.110 Room unit CE1P2284en HVAC Products Handling 10.07.2002...
By pressing the Info button, you leave the display programming level "Enduser”. Note If no button is pressed for about 8 minutes, the room unit will automatically return to the Info level. 14/70 Siemens Building Technologies Basic Documentation QAA73.110 Room unit CE1P2284en HVAC Products Handling 10.07.2002...
* These lines are only displayed in OpenTherm Plus mode. Also, the relevant functions must be supported by boiler control. – – : – – = Switching point inactive 15/70 Siemens Building Technologies Basic Documentation QAA73.110 Room unit CE1P2284en HVAC Products Handling...
Info button. display Note If no button is pressed for about 8 minutes, the room unit will automatically return to the Info level. 16/70 Siemens Building Technologies Basic Documentation QAA73.110 Room unit CE1P2284en HVAC Products Handling 10.07.2002...
Operating mode selector of d.h.w. heating Without ECO, – – Without With ECO Control of d.h.w. circulating pump D.h.w. release – – D.h.w. D.h.w. program program Program 2 17/70 Siemens Building Technologies Basic Documentation QAA73.110 Room unit CE1P2284en HVAC Products Handling 10.07.2002...
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1. Jan ... 31. Dec dd.mm 1 day 25. Oct These lines are only displayed in OpenTherm Plus mode. Also, the relevant functions must be supported by boiler control. 18/70 Siemens Building Technologies Basic Documentation QAA73.110 Room unit CE1P2284en HVAC Products Handling 10.07.2002...
You leave the programming level "OEM" by pressing display the Info button. Note If no button is pressed for about 8 minutes, the room unit will automatically return to the Info level. 19/70 Siemens Building Technologies Basic Documentation QAA73.110 Room unit CE1P2284en HVAC Products Handling 10.07.2002...
Functional checks The heating plant is started up via boiler control. To make the functional check, the individual functions of the room unit are checked in the plant. 20/70 Siemens Building Technologies Basic Documentation QAA73.110 Room unit CE1P2284en HVAC Products Handling 10.07.2002...
D.h.w. is not being heated: • Has the button for d.h.w. heating been pressed? • Check setpoint of the d.h.w. temperature • Check d.h.w. function of boiler control 21/70 Siemens Building Technologies Basic Documentation QAA73.110 Room unit CE1P2284en HVAC Products Handling...
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 22/70 Siemens Building Technologies Basic Documentation QAA73.110 Room unit CE1P2284en HVAC Products Description of enduser settings 10.07.2002...
Water pressure heating circuit Depending on the configuration made (operating line 150), the information selected last is continuously displayed, or changes back to the standard display after 8 minutes. 23/70 Siemens Building Technologies Basic Documentation QAA73.110 Room unit CE1P2284en HVAC Products Description of enduser settings 10.07.2002...
• If, on line 96, the clock master was programmed for external, manual time settings via lines 1 to 3 are no longer possible 24/70 Siemens Building Technologies Basic Documentation QAA73.110 Room unit CE1P2284en HVAC Products Description of enduser settings...
1 and according to the settings made on lines 21 through 26 for heating circuit 2. 24 h Nominal temperature and reduced temperature phases for heating circuit 1 25/70 Siemens Building Technologies Basic Documentation QAA73.110 Room unit CE1P2284en HVAC Products Description of enduser settings 10.07.2002...
, the room temperature is prevented from falling below a certain building level. This means that the frost protection setpoint of the room temperature will be maintained. 26/70 Siemens Building Technologies Basic Documentation QAA73.110 Room unit CE1P2284en HVAC Products Description of enduser settings 10.07.2002...
D.h.w. charging The criteria required for releasing d.h.w. heating are defined by the settings made on line 91. 27/70 Siemens Building Technologies Basic Documentation QAA73.110 Room unit CE1P2284en HVAC Products Description of enduser settings...
(for HC2), or of lines 31 through 36 (for HC3), is identical for every day from Monday through Sunday Example of a time switch program valid for all weekdays 24 h 28/70 Siemens Building Technologies Basic Documentation QAA73.110 Room unit CE1P2284en HVAC Products Description of enduser settings...
At the times entered, the program will switch to the respective functions: Switching point – – : – – inaktiv 00:00...24:00 At the time entered, a change to the respective function takes place. 29/70 Siemens Building Technologies Basic Documentation QAA73.110 Room unit CE1P2284en HVAC Products Description of enduser settings 10.07.2002...
When using the ”Reduced” setting, the reduced room temperature setpoint (TRRw) is maintained during the holidays; when using the ”Frost” setting, the frost protection setpoint of the room temperature (TRF) is maintained. 30/70 Siemens Building Technologies Basic Documentation QAA73.110 Room unit CE1P2284en HVAC Products Description of enduser settings 10.07.2002...
SuWi -1 °C Changeover between summer and winter operation: TAged Attenuated outside temperature SuWi Summer / winter changeover temperature Temperature Time in days Heating 32/70 Siemens Building Technologies Basic Documentation QAA73.110 Room unit CE1P2284en HVAC Products Description of enduser settings 10.07.2002...
Own displays In the case of a room unit-specific fault or a fault of Siemens boiler control, the error code and appropriate error text will be displayed. Example of own fault display...
3.18 Boiler status code Description The room unit displays status codes that are generated by Siemens boiler control and then transmitted via the OpenTherm bus. They will be cleared only when rectified. Info line 3 Press the Info button to select Info line 3.
The attenuated outside temperature affects directly only summer / winter changeover. The attenuated outside temperature acts indirectly on flow temperature control via the composite outside temperature. 35/70 Siemens Building Technologies Basic Documentation QAA73.110 Room unit CE1P2284en HVAC Products Description of the heating engineer settings...
Actual outside temperature TAged Attenuated outside temperature TAgem1 Composite outside temperature for light building structures TAgem0 Composite outside temperature for heavy building structures 36/70 Siemens Building Technologies Basic Documentation QAA73.110 Room unit CE1P2284en HVAC Products Description of the heating engineer settings 10.07.2002...
The current solar collector temperature is displayed. Line 59 Press the line selection buttons to select line 59. Display Unit –40 ... +250 °C 37/70 Siemens Building Technologies Basic Documentation QAA73.110 Room unit CE1P2284en HVAC Products Description of the heating engineer settings 10.07.2002...
2 on line 64. Line 63, 64 Press the line selection buttons to select line 63 or 64. Display Unit 0...100 °C 38/70 Siemens Building Technologies Basic Documentation QAA73.110 Room unit CE1P2284en HVAC Products Description of the heating engineer settings 10.07.2002...
• Line 80 is visible only if a second heating circuit exists and if it is supported by boiler control 27,5 22,5 °C 17,5 12,5 °C Heating circuit diagram Flow temperature Composite outside temperature 39/70 Siemens Building Technologies Basic Documentation QAA73.110 Room unit CE1P2284en HVAC Products Description of the heating engineer settings 10.07.2002...
These settings provide maximum or minimum limitation of the flow temperature. Important Maximum limitation is not to be regarded as a safety function as required with underfloor heating systems, for example. 40/70 Siemens Building Technologies Basic Documentation QAA73.110 Room unit CE1P2284en HVAC Products Description of the heating engineer settings...
Each setpoint readjustment, be it by changing the setting value or the operational level, corresponds to a parallel displacement of the heating curve. °C °C Flow temperature Composite outside temperature Room temperature setpoint 41/70 Siemens Building Technologies Basic Documentation QAA73.110 Room unit CE1P2284en HVAC Products Description of the heating engineer settings 10.07.2002...
The setting will activate the room influence on the required heating circuits. None Room influence inactive: The measured room temperature will not Entry: affect temperature control 42/70 Siemens Building Technologies Basic Documentation QAA73.110 Room unit CE1P2284en HVAC Products Description of the heating engineer settings 10.07.2002...
Switching differential will become greater • The pumps are switched on and off less often • The room temperature varies within a wider band 43/70 Siemens Building Technologies Basic Documentation QAA73.110 Room unit CE1P2284en HVAC Products Description of the heating engineer settings 10.07.2002...
The heating curve will automatically be adapted as soon as the operating level ”Nominal room temperature setpoint” is used. Note Adaption acts according to line 75 ”Room influence”. 44/70 Siemens Building Technologies Basic Documentation QAA73.110 Room unit CE1P2284en HVAC Products Description of the heating engineer settings...
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ZAF2 Factor Factor for parallel displacement Factor for slope TAged Attenuated outside temperature ZAF1 adaption sensitivity 1 ZAF2 adaption sensitivity 2 45/70 Siemens Building Technologies Basic Documentation QAA73.110 Room unit CE1P2284en HVAC Products Description of the heating engineer settings 10.07.2002...
The maximum forward shift for optimum stop control can be set between 0 and 360 minutes. Setting 0 means that optimum stop control is deactivated. 46/70 Siemens Building Technologies Basic Documentation QAA73.110 Room unit CE1P2284en HVAC Products Description of the heating engineer settings 10.07.2002...
Makes it possible to limit the period of time during which d.h.w. heating at the nominal setpoint is released. D.h.w. heating at the nominal setpoint can thus be released as required by the users. 47/70 Siemens Building Technologies Basic Documentation QAA73.110 Room unit CE1P2284en HVAC Products Description of the heating engineer settings 10.07.2002...
• This function is possible only when d.h.w. heating is released by the d.h.w. heating program. 48/70 Siemens Building Technologies Basic Documentation QAA73.110 Room unit CE1P2284en HVAC Products Description of the heating engineer settings 10.07.2002...
Line 95 Press the line selection buttons to select line 95. Press the + / – buttons to activate or deactivate programming. 49/70 Siemens Building Technologies Basic Documentation QAA73.110 Room unit CE1P2284en HVAC Products Description of the heating engineer settings...
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) and the (+) button programming must be pressed simultaneously for at least 3 seconds. Then, parameter ”Programming” can be set to released. 50/70 Siemens Building Technologies Basic Documentation QAA73.110 Room unit CE1P2284en HVAC Products Description of the heating engineer settings...
Sunday in October. The factory setting of the room unit meets this requirement as the Sundays in question lie in the adjustable period of time between the factory setting and the last day of the relevant month. 51/70 Siemens Building Technologies Basic Documentation QAA73.110 Room unit CE1P2284en HVAC Products Description of the heating engineer settings 10.07.2002...
On the Sunday following the set date, the time of day of the room unit will switch to wintertime. For that purpose, the time of day is shifted backward by one hour. 52/70 Siemens Building Technologies Basic Documentation QAA73.110 Room unit CE1P2284en HVAC Products Description of the heating engineer settings 10.07.2002...
TRwk = 20 °C + 4 (20 °C – 22 °C) = 12 °C KORR Constant for room influence Actual value of the room temperature Room temperature setpoint TRwk Room temperature setpoint (readjusted) 53/70 Siemens Building Technologies Basic Documentation QAA73.110 Room unit CE1P2284en HVAC Products Description of the OEM settings 10.07.2002...
103, the composite outside temperature and the room temperature setpoint jump. The quick setback time is limited to a maximum of 15 hours. 54/70 Siemens Building Technologies Basic Documentation QAA73.110 Room unit CE1P2284en HVAC Products Description of the OEM settings 10.07.2002...
The boost produces an increase in the flow temperature setpoint. °C TRx Actual value of the room temperature TRw Room temperature setpoint 104 Setpoint boost Time 55/70 Siemens Building Technologies Basic Documentation QAA73.110 Room unit CE1P2284en HVAC Products Description of the OEM settings 10.07.2002...
Press the + / – buttons to adjust the maximum setpoint of the d.h.w. temperature. Setting range Unit Factory setting TBWw...80 °C TBWw Nominal d.h.w. temperature setpoint 56/70 Siemens Building Technologies Basic Documentation QAA73.110 Room unit CE1P2284en HVAC Products Description of the OEM settings 10.07.2002...
If this function is deactivated, there is a risk that legionella viruses will return from the circulation piping to the d.h.w. storage tank right after the storage tank has been thermally desinfected. 57/70 Siemens Building Technologies Basic Documentation QAA73.110 Room unit CE1P2284en HVAC Products Description of the OEM settings 10.07.2002...
Effect If the outside temperature falls to the selected temperature level or drops below it, the Info display shows the actual outside temperature as a flashing value. 58/70 Siemens Building Technologies Basic Documentation QAA73.110 Room unit CE1P2284en HVAC Products Description of the OEM settings...
The software version will automatically be displayed on this line. Example: 01.0 The first 2 digits give the software version The third digit gives the software revision (01.0) 59/70 Siemens Building Technologies Basic Documentation QAA73.110 Room unit CE1P2284en HVAC Products Description of the OEM settings 10.07.2002...
• In the case of deviations of setpoint / actual value of the room temperature • With automatic or manual changeover to a higher or lower room temperature setpoint 60/70 Siemens Building Technologies Basic Documentation QAA73.110 Room unit CE1P2284en HVAC Products Functions 10.07.2002...
If the flow temperature setpoint exceeds the room temperature setpoint plus a correction value, the heating will be switched on. Heating ON: TRw +4 S/10 Flow temperature setpoint Room temperature setpoint Slope of the heating curve 61/70 Siemens Building Technologies Basic Documentation QAA73.110 Room unit CE1P2284en HVAC Products Functions 10.07.2002...
≥ − KORR Factor for room influence (line 102) TVwk Flow temperature setpoint corrected by the room temperature Room temperature setpoint Slope of the heating curve 62/70 Siemens Building Technologies Basic Documentation QAA73.110 Room unit CE1P2284en HVAC Products Functions 10.07.2002...
Effect When the d.h.w. push is triggered, the d.h.w. is heated once until its nominal temperature setpoint is reached. Then, the active d.h.w. program applies again. 63/70 Siemens Building Technologies Basic Documentation QAA73.110 Room unit CE1P2284en HVAC Products Functions 10.07.2002...
6.5.2 Frost protection for the boiler and the d.h.w. Frost protection for the boiler and the d.h.w. must be ensured by the boiler control. Caution 64/70 Siemens Building Technologies Basic Documentation QAA73.110 Room unit CE1P2284en HVAC Products Functions 10.07.2002...
Measuring range 0...45 °C Room sensor Backup of time switch min. 12 h Other features Software class A to EN 60 730 Weight approx. 0.17 kg 66/70 Siemens Building Technologies Basic Documentation QAA73.110 Room unit CE1P2284en HVAC Products Technical data 10.07.2002...
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..............58 software version ............59 standard times ............31 language..............33 summer / winter changeover temperature....32 legionella function............48 summer- / wintertime ..........52 dwelling time ............57 67/70 Siemens Building Technologies Basic Documentation QAA73.110 Room unit CE1P2284en HVAC Products Index 10.07.2002...
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66 winter- / summertime ..........51 time of day, date and year ........24 winter operation ............32 time switch program for space heating ..... 28 68/70 Siemens Building Technologies Basic Documentation QAA73.110 Room unit CE1P2284en HVAC Products Index 10.07.2002...
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Chapter "Operating lock for programming " changed Chapter "Dwlling time of legionella funkcion" and "Effect of legionella funkcion on circulating pump" added Section "Operating lock" added Panel thickness changed 69/70 Siemens Building Technologies Basic Documentation QAA73.110 Room unit CE1P2284en HVAC Products 10.07.2002...