Related Manuals for Siemens QAA73.210
Summary of Contents for Siemens QAA73.210
- Page 1 Room Unit for Boiler Control QAA73.210 With OpenTherm Interface User manual Edition 1.1 Device series A CE1U2283en Building Technologies 2015-09-16...
- Page 2 Siemens Switzerland Ltd Building Technologies Division International Headquarters Gubelstrasse 22 6301 Zug Switzerland Tel. +41 41-724 24 24 © Siemens Switzerland Ltd, 2010 www.siemens.com/buildingtechnologies Subject to change 2 / 36 Siemens Room Unit for Boiler Control CE1U2283en Building Technologies 2015-09-16...
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Page 3: Table Of Contents
Programming room units parameters ........... 15 4.2.1 User levels ................... 15 4.2.2 Overview of settings................16 Programming Siemens BMU parameters ..........18 Description of room unit settings ............. 19 Time and day (TIME) ................19 Time switch program (TSPHC, TSPCC, TSPHW) ......... 19 5.2.1 Day selection .................. - Page 4 4 / 36 Siemens Room Unit for Boiler Control CE1U2283en Building Technologies Table of contents 2015-09-16...
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Page 5: Overview
Overview Brief description The QAA73.210 is a digital multi-functional room unit for one or 1 heating circuits and d.h.w. control. Boiler control delivers the outside temperature and other information to the QAA73.210 room unit via the OpenTherm communication interface. Based on the... -
Page 6: Product Liability
· Mounting height is about 1.5 meters above the floor · The unit can be fitted to most commercially available recessed conduit boxes or directly on the wall. 6 / 36 Siemens Room Unit for Boiler Control CE1U2283en Building Technologies... -
Page 7: Installation
Fit the base to the wall with the help of screws. Step 4 Engage the housing front at the top of the base and close the unit to the bottom. 7 / 36 Siemens Room Unit for Boiler Control CE1U2283en Building Technologies Mounting and Installation 2015-09-16... -
Page 8: Electrical Installation
The local regulations for electrical installations must be complied with. installation Connection diagram OpenTherm terminal A (interchangeable) OpenTherm terminal B (interchangeable) 23 mA max 8 / 36 Siemens Room Unit for Boiler Control CE1U2283en Building Technologies Mounting and Installation 2015-09-16... -
Page 9: Commissioning
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 9 / 36 Siemens Room Unit for Boiler Control CE1U2283en Building Technologies Commissioning... -
Page 10: Handling
Boiler operation for heating circuit demand heat demand Maintenance message Automatic operation Holiday function Temporary function Heating to Comfort setpoint Continuous operation Heating to Reduced setpoint Protection Boiler on 10 / 36 Siemens Room Unit for Boiler Control CE1U2283en Building Technologies Handling 2015-09-16... - Page 11 Characteristics of cooling mode: (if activated) · Manual cooling mode · Cooling mode based on time program · Temperature setpoint based on "Comfort setpoint" or "Reduced setpoint" 11 / 36 Siemens Room Unit for Boiler Control CE1U2283en Building Technologies Handling 2015-09-16...
- Page 12 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 12 / 36 Siemens Room Unit for Boiler Control CE1U2283en Building Technologies...
- Page 13 Depending on the type of boiler control, the room unit also displays other error codes. For detailed information, please refer to the technical documentation of the boiler controller used. 13 / 36 Siemens Room Unit for Boiler Control CE1U2283en Building Technologies...
- Page 14 Is activated / deactivated on the BMU Boiler temperature is visualized on the QAA Controller stop Is activated / deactivated on the BMU Modulation level can be set by up down buttons 14 / 36 Siemens Room Unit for Boiler Control CE1U2283en Building Technologies Handling 2015-09-16...
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Page 15: Programming Room Units Parameters
The following user levels are available USR = End user INST = Heating engineer OEM = OEM To reach the OEM level, the relevant code must be entered. 15 / 36 Siemens Room Unit for Boiler Control CE1U2283en Building Technologies Handling 2015-09-16... -
Page 16: Overview Of Settings
Flow temp setpoint max OEM 20…80 °C HC MN Flow temp setpoint min 20…80 °C SLOPE Heating curve slope 0,1…4 SUWI Summer/winter heating limit 8…30 °C 16 / 36 Siemens Room Unit for Boiler Control CE1U2283en Building Technologies Handling 2015-09-16... - Page 17 Reset to default parameters 0 = NO, 1 = YES 1) This menu is only visible if parameter COOL is ON 2) Only active when supported by BMU 17 / 36 Siemens Room Unit for Boiler Control CE1U2283en Building Technologies Handling...
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Page 18: Programming Siemens Bmu Parameters
Programming Siemens BMU parameters This functionallity is available only on some BMU’s. Setting Buttons Explanation Press the line selection buttons for at least 3 seconds. This will take you directly to the programming level "Enduser". The display shows a number of operating pages. -
Page 19: Description Of Room Unit Settings
Entry of the switching times on lines 'ON 1' through 'OF 4', are only entered for the individual day selected here Example of a 7-day time switch program: 24 h 19 / 36 Siemens Room Unit for Boiler Control CE1U2283en Building Technologies Description of room unit settings... -
Page 20: Switching Times
The comfort phases depend on the settings made on lines ‘ON 1’ through ‘OF 4’. 24 h Comfort temperature and reduced temperature phases for heating circuit. 20 / 36 Siemens Room Unit for Boiler Control CE1U2283en Building Technologies Description of room unit settings... - Page 21 2.5...40.0 The room unit delivers a weather-compensated flow temperature for the respective heating circuit. – – . – The relevant heating circuit is deactivated. 21 / 36 Siemens Room Unit for Boiler Control CE1U2283en Building Technologies Description of room unit settings...
- Page 22 Taged > SuWi +1 °C Heating ON (from summer to winter) Taged < SuWi -1 °C Note This function only acts in automatic mode. 22 / 36 Siemens Room Unit for Boiler Control CE1U2283en Building Technologies Description of room unit settings 2015-09-16...
- Page 23 The room influence can be activated and deactivated (operating line 75). Changing this setting has the following impact: Increase: Authority of room influence will increase Decrease: Authority of room influence will decrease 23 / 36 Siemens Room Unit for Boiler Control CE1U2283en Building Technologies Description of room unit settings 2015-09-16...
- Page 24 The setting will activate the room influence on the heating circuit. Room influence Deviations of the actual room temperature from the setpoint are acquired and taken into account by temperature control. 24 / 36 Siemens Room Unit for Boiler Control CE1U2283en Building Technologies Description of room unit settings...
- Page 25 Switching differential will become greater – The pumps are switched on and off less often – The room temperature varies within a wider band 25 / 36 Siemens Room Unit for Boiler Control CE1U2283en Building Technologies Description of room unit settings...
- Page 26 Room temperature setpoint for heating circuit 2. Active only if supported by BMU. (HC2SF) Flow temperature setpoint for heating circuit 2. Active only if supported by BMU. 26 / 36 Siemens Room Unit for Boiler Control CE1U2283en Building Technologies Description of room unit settings...
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Page 27: Cooling Circuit (Cool)
The temperature setpoint during reduced d.h.w. operation will be changed. °C Nominal d.h.w. temperature setpoint (COMFR) Reduced setpoint of the d.h.w. temperature (ECONM) Maximum nominal setpoint of d.h.w. temperature (HW MX) 27 / 36 Siemens Room Unit for Boiler Control CE1U2283en Building Technologies Description of room unit settings 2015-09-16... - Page 28 (L TEMP) The setting changes the d.h.w. setpoint during the period of time the d.h.w. is heated up as a result of the legionella function. 28 / 36 Siemens Room Unit for Boiler Control CE1U2283en Building Technologies Description of room unit settings...
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Page 29: Configuration (Conf)
Cooling enable (COOL) The setting activates or deactivates the cooling function Default paramters All parameters can be reset to their default values. (RESET) 29 / 36 Siemens Room Unit for Boiler Control CE1U2283en Building Technologies Description of room unit settings 2015-09-16... -
Page 30: 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 30 / 36 Siemens Room Unit for Boiler Control CE1U2283en Building Technologies... -
Page 31: Room Compensation
The setpoint has to be set manually. Prerequisites The room influence (AMBON) must be set to "OFF" and, in addition, no outside sensor may be connected. 31 / 36 Siemens Room Unit for Boiler Control CE1U2283en Building Technologies Functions 2015-09-16... -
Page 32: Dimensions
The controller’s mounting dimensions are 81.5 x 125.5 mm. The mechanical mounting facility allows the controller to be fitted in front panels having a thickness of 1 to 2 mm. 32 / 36 Siemens Room Unit for Boiler Control CE1U2283en Building Technologies... -
Page 33: Technical Data
Backup of time min. 12 h Software class A to EN 60 730 Weight with / without packaging 0.152 kg / 0.115 kg Dimensions See diagram 33 / 36 Siemens Room Unit for Boiler Control CE1U2283en Building Technologies Technical data 2015-09-16... -
Page 34: Index
........... 28 weather compensation ........30 weather compensation with room influence..30 winter operation ...........22 maximum d.h.w. setpoint (TBWmax) ....28 maximum limitation of setpoint rise...... 30 34 / 36 Siemens Room Unit for Boiler Control CE1U2283en Building Technologies Index 2015-09-16... - Page 35 35 / 36 Siemens Room Unit for Boiler Control CE1U2283en Building Technologies 2015-09-16...
- Page 36 Siemens Switzerland Ltd Building Technologies Division International Headquarters Gubelstrasse 22 6301 Zug Switzerland Tel. +41 41-724 24 24 © Siemens Switzerland Ltd, 2010 www.siemens.com/buildingtechnologies Subject to change 36 / 36 Siemens Room Unit for Boiler Control CE1U2283en Building Technologies 2015-09-16...