hit counter script
Siemens ALBATROS QAA73.110 Basic Documentation

Siemens ALBATROS QAA73.110 Basic Documentation

Room unit for boiler control with opentherm interface
Hide thumbs Also See for ALBATROS QAA73.110:
Table of Contents

Advertisement

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

Advertisement

Table of Contents
loading

Summary of Contents for Siemens ALBATROS QAA73.110

  • Page 1 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...
  • Page 2 2/70 Siemens Building Technologies Basic Documentation QAA73.110 Room unit CE1P2284en HVAC Products 10.07.2002...
  • Page 3: Table Of Contents

    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...
  • Page 4 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...
  • Page 5 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...
  • Page 6: Summary

    • 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...
  • Page 7: Range Of Products

    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...
  • Page 8: Handling

    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...
  • Page 9 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...
  • Page 10 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...
  • Page 11: Electrical Installation

    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...
  • Page 12: Operation

    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...
  • Page 13 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...
  • Page 14: Communication With Boiler Control

    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...
  • Page 15: Overview Of Enduser Parameters

    * 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...
  • Page 16: Parameter Settings For The Heating Engineer

    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...
  • Page 17: Overview Of Heating Engineer Parameters

    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...
  • Page 18 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...
  • Page 19: Parameter Settings For The Oem

    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...
  • Page 20: Overview Of Oem Parameters

    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...
  • Page 21: Operational Faults

    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...
  • Page 22: Description Of Enduser Settings

    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...
  • Page 23: Occupancy Button

    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...
  • Page 24: Time Of Day

    • 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...
  • Page 25: Setpoints

    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...
  • Page 26: Reduced Room Temperature Setpoint

    , 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...
  • Page 27: Nominal D.h.w. Temperature Setpoint

    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...
  • Page 28: Time Switch Programs Tsp1 And Tsp2 And D.h.w

    (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...
  • Page 29: Switching Times

    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...
  • Page 30: Holidays

    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...
  • Page 31: General

    15 or 25 – – : – – Switch-off time period 3 16 or 26 – – : – – – – : Inactive 31/70 Siemens Building Technologies Basic Documentation QAA73.110 Room unit CE1P2284en HVAC Products Description of enduser settings 10.07.2002...
  • Page 32: Summer / Winter Changeover Temperature

    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...
  • Page 33: Language

    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...
  • Page 34: Boiler Status Code

    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.
  • Page 35: Description Of The Heating Engineer Settings

    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...
  • Page 36: Composite Outside Temperature

    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...
  • Page 37: Actual Value 2 Of D.h.w. Temperature

    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...
  • Page 38: Actual Value Of Solar Storage Tank Temperature

    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...
  • Page 39: Space Heating

    • 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...
  • Page 40: Minimum And Maximum Limitation Of Flow Temperature Hc1 And Hc2

    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...
  • Page 41: Parallel Displacement Of Heating Curve Hc1/Hc2

    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...
  • Page 42: Type Of Building Construction

    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...
  • Page 43: Switching Differential Of The Room Temperature

    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...
  • Page 44: Adaption Of The Heating Curve

    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...
  • Page 45 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...
  • Page 46: Maximum Forward Shift For Optimum Start Control

    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...
  • Page 47: Reduced Setpoint Of The D.h.w. Temperature

    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...
  • Page 48: Legionella Function

    • 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...
  • Page 49: Operating Mode Selector

    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...
  • Page 50 ) 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...
  • Page 51: Clock Time Master

    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...
  • Page 52: Summer- / Wintertime Changeover

    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...
  • Page 53: Description Of The Oem Settings

    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...
  • Page 54: Constant For Quick Setback (Kon)

    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...
  • Page 55: Boost Of The Room Temperature Setpoint (Dtrsa)

    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...
  • Page 56: Limitation Of Rate Of Increase Of Flow Temperature Setpoint

    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...
  • Page 57: Setpoint Of The Legionella Function

    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...
  • Page 58: Service Functions Oem

    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...
  • Page 59: Operation

    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...
  • Page 60: Functions

    • 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...
  • Page 61: Room Compensation

    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...
  • Page 62: With Room Influence

    ≥ − 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...
  • Page 63: Quick Setback With Room Influence

    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...
  • Page 64: Frost Protection

    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...
  • Page 65: Dimensions

    Dimensions Room unit 1...2 Panel cutout +0.8 65/70 Siemens Building Technologies Basic Documentation QAA73.110 Room unit CE1P2284en HVAC Products Dimensions 10.07.2002...
  • Page 66: Technical Data

    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...
  • Page 67 ..............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...
  • Page 68 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...
  • Page 69 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...
  • Page 70 Siemens Building Technologies AG © Siemens Building Technologies AG HVAC Products Subject to alteration Gubelstrasse 22 CH -6301 Zug Tel. +41 41-724 24 24 Fax +41 41-724 35 22 www.landisstaefa.com 70/70 Siemens Building Technologies Basic Documentation QAA73.110 Room unit CE1P2284en Landis &...

Table of Contents