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elsner elektronik Sewi KNX AQS Installation And Adjustment

Indoor air quality sensors
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Sewi KNX AQS and
Sewi KNX AQS/TH-D
Indoor Air Quality Sensors
Item numbers 70394 (AQS), 70397 (AQS/TH-D)
Installation and Ad justment

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  • Page 1 Sewi KNX AQS and Sewi KNX AQS/TH-D Indoor Air Quality Sensors Item numbers 70394 (AQS), 70397 (AQS/TH-D) Installation and Ad justment...

  • Page 3: Table Of Contents

    6.17.CO2 PI-control ......................60 6.18.Variable comparator ....................62 Elsner Elektronik GmbH • Sohlengrund 16 • 75395 Ostelsheim • Germany Sensors Sewi KNX AQS and Sewi KNX AQS/TH-D • from ETS programme version 1.1 Version: 10.09.2018 • Technical changes and errors excepted.
  • Page 4 6.20.3. Connection inputs of the OR logic ............. 72 Elsner Elektronik GmbH • Sohlengrund 16 • 75395 Ostelsheim • Germany Sensors Sewi KNX AQS and Sewi KNX AQS/TH-D • from ETS programme version 1.1 Version: 10.09.2018 • Technical changes and errors excepted.
  • Page 5 Clarification of signs Installation, inspection, commissioning and troubleshooting of the device must only be carried out by a competent electrician. This manual is amended periodically and will be brought into line with new software releases. The change status (software version and date) can be found in the contents footer. If you have a device with a later software version, please check www.elsner-elektronik.de in the menu area "Service"...
  • Page 6 Clarification of signs...

  • Page 7: Description

    PI-controller for heating (one or two-stage) and cooling (one or two-stage) according to temperature. Regulation according to separate setpoints or basic setpoint temperature Sensors Sewi KNX AQS and Sewi KNX AQS/TH-D • Version: 10.09.2018 • Technical changes and errors excepted.

  • Page 8: Scope Of Delivery

    0°C…+50°C Resolution 0.1°C Accuracy* ±0.5°C at 0...+50°C Humidity sensor (only Sewi KNX AQS/TH-D): Measurement range 0% RH … 85% RH Resolution 0.1% RH Sensors Sewi KNX AQS and Sewi KNX AQS/TH-D • Version: 10.09.2018 • Technical changes and errors excepted.

  • Page 9: Measuring Accuracy

    After unpacking the device, check it immediately for possible mechanical damage. If it has been damaged in transport, inform the supplier immediately. Sensors Sewi KNX AQS and Sewi KNX AQS/TH-D • Version: 10.09.2018 • Technical changes and errors excepted.

  • Page 10: Installation Location

    Measurement variations from such sources of interference must be corrected in the ETS in order to ensure the specified accuracy of the sensor (offset). Sensors Sewi KNX AQS and Sewi KNX AQS/TH-D • Version: 10.09.2018 • Technical changes and errors excepted.

  • Page 11: Construction Of The Sensor

    2.3.1. Housing from the outside Fig. 1 Recess to open the hous- ing. When closing the housing, the recess aligns to the marking on the skirt- Sensors Sewi KNX AQS and Sewi KNX AQS/TH-D • Version: 10.09.2018 • Technical changes and errors excepted.

  • Page 12: Printed Circuit Boards / Connections

    2.4. Assembly Fig. 3 Open the housing. To do this, carefully lift the cover from the skirting. Start at the recess (Fig. 2: A). Sensors Sewi KNX AQS and Sewi KNX AQS/TH-D • Version: 10.09.2018 • Technical changes and errors excepted.

  • Page 13: Notes On Mounting And Commissioning

    After the bus voltage has been applied, the device will enter an initialisation phase last- ing a few seconds. During this phase no information can be received or sent via the bus. Sensors Sewi KNX AQS and Sewi KNX AQS/TH-D • Version: 10.09.2018 • Technical changes and errors excepted.

  • Page 14: Addressing The Equipment

    The air slots on the side must not get dirty or covered. As a rule, it is sufficient to wipe the device with a soft, dry cloth twice a year. Sensors Sewi KNX AQS and Sewi KNX AQS/TH-D • Version: 10.09.2018 • Technical changes and errors excepted.

  • Page 15: Transfer Protocol

    0 to 1 PeriodSec Temp. threshold value 1: Switching Input -WC- [7.5] DPT_Time- 2 bytes delay from 1 to 0 PeriodSec Sensors Sewi KNX AQS and Sewi KNX AQS/TH-D • Version: 10.09.2018 • Technical changes and errors excepted.
  • Page 16 1 bit Humidity sensor: External Input -WCT [9.7] DPT_Val- 2 bytes measurement ue_Humidity Humidity sensor: Measured value Output R-CT [9.7] DPT_Val- 2 bytes ue_Humidity Sensors Sewi KNX AQS and Sewi KNX AQS/TH-D • Version: 10.09.2018 • Technical changes and errors excepted.
  • Page 17 Humidity threshold value 3: Output R-CT [1.1] DPT_Switch 1 bit Switching output Humidity threshold value 3: Input -WC- [1.1] DPT_Switch 1 bit Switching output block Sensors Sewi KNX AQS and Sewi KNX AQS/TH-D • Version: 10.09.2018 • Technical changes and errors excepted.
  • Page 18 Air pressure sensor: Barometric Output R-CT [14.58] DPT_Val- 4 bytes measurement [Pa] ue_Pressure Air pressure sensor: Min./Max. Input -WC- [1.017] DPT_Trig- 1 bit measurement query Sensors Sewi KNX AQS and Sewi KNX AQS/TH-D • Version: 10.09.2018 • Technical changes and errors excepted.
  • Page 19 [1.1] DPT_Switch 1 bit (1:+ | 0:-) Air pressure threshold value 3: Input -WC- [7.5] DPT_Time- 2 bytes Delay from 0 to 1 PeriodSec Sensors Sewi KNX AQS and Sewi KNX AQS/TH-D • Version: 10.09.2018 • Technical changes and errors excepted.
  • Page 20 CO2 threshold value 1: Output R-CT [1.1] DPT_Switch 1 bit Switching output CO2 threshold value 1: Input -WC- [1.1] DPT_Switch 1 bit Switching output block Sensors Sewi KNX AQS and Sewi KNX AQS/TH-D • Version: 10.09.2018 • Technical changes and errors excepted.
  • Page 21 CO2 controller: Control variable Output R-CT [5.1] DPT_Scaling 1 byte ventilation CO2 controller: Control variable Output R-CT [5.1] DPT_Scaling 1 byte ventilation level 2 Sensors Sewi KNX AQS and Sewi KNX AQS/TH-D • Version: 10.09.2018 • Technical changes and errors excepted.
  • Page 22 -WC- [1.1] DPT_Switch 1 bit cooling (1:+ | 0: -) Temp. controller: Control variable, Output R-CT [5.1] DPT_Scaling 1 byte heating (level 1) Sensors Sewi KNX AQS and Sewi KNX AQS/TH-D • Version: 10.09.2018 • Technical changes and errors excepted.
  • Page 23 [1.1] DPT_Switch 1 bit Dehumidification status (1:ON | 0:OFF) Humidity controller: Output R-CT [1.1] DPT_Switch 1 bit Dehumidification 2 status (1:ON | 0:OFF) Sensors Sewi KNX AQS and Sewi KNX AQS/TH-D • Version: 10.09.2018 • Technical changes and errors excepted.
  • Page 24 1129 Control variable comparator 3: Input -WC- [5.1] DPT_Scaling 1 byte Input 5 1130 Control variable comparator 3: Output R-CT [5.1] DPT_Scaling 1 byte Output Sensors Sewi KNX AQS and Sewi KNX AQS/TH-D • Version: 10.09.2018 • Technical changes and errors excepted.
  • Page 25 4 bytes setting 1154 Computer 2: Condition text Output R-CT [16.0] DPT_String_ASCII bytes 1155 Computer 2: Monitoring status Output R-CT [1.1] DPT_Switch 1 bit Sensors Sewi KNX AQS and Sewi KNX AQS/TH-D • Version: 10.09.2018 • Technical changes and errors excepted.
  • Page 26 1179 Computer 5: Monitoring status Output R-CT [1.1] DPT_Switch 1 bit 1180 Computer 5: Block (1: block) Input -WC- [1.1] DPT_Switch 1 bit Sensors Sewi KNX AQS and Sewi KNX AQS/TH-D • Version: 10.09.2018 • Technical changes and errors excepted.
  • Page 27 1 bit 1204 Computer 8: Block (1: block) Input -WC- [1.1] DPT_Switch 1 bit 1391 Logic input 1 Input -WC- [1.2] DPT_Bool 1 bit Sensors Sewi KNX AQS and Sewi KNX AQS/TH-D • Version: 10.09.2018 • Technical changes and errors excepted.
  • Page 28 1426 AND logic 4: Block Input -WC- [1.1] DPT_Switch 1 bit 1427 AND logic 5: 1-bit switching output Output R-CT [1.2] DPT_Bool 1 bit Sensors Sewi KNX AQS and Sewi KNX AQS/TH-D • Version: 10.09.2018 • Technical changes and errors excepted.
  • Page 29 1454 OR logic 3: Block Input -WC- [1.1] DPT_Switch 1 bit 1455 OR logic 4: 1-bit switching output Output R-CT [1.2] DPT_Bool 1 bit Sensors Sewi KNX AQS and Sewi KNX AQS/TH-D • Version: 10.09.2018 • Technical changes and errors excepted.

  • Page 30: Parameter Setting

    The device sends all outputs according to their send behaviour set in the parameters with the delays established in the "General settings" parameter block. Sensors Sewi KNX AQS and Sewi KNX AQS/TH-D • Version: 10.09.2018 • Technical changes and errors excepted.

  • Page 31: General Settings

    The minimum and maximum readings can be saved and sent to the bus. Use the "Reset temperature min/max. value" objects to reset the values to the current readings. The values are not retained after a reset. Sensors Sewi KNX AQS and Sewi KNX AQS/TH-D • Version: 10.09.2018 • Technical changes and errors excepted.

  • Page 32: Temperature Threshold Values

    Sensors Sewi KNX AQS and Sewi KNX AQS/TH-D • Version: 10.09.2018 • Technical changes and errors excepted.
  • Page 33 Use switching output block No • Yes If the block is activated, define specifications here for the behaviour of the output when blocked. Sensors Sewi KNX AQS and Sewi KNX AQS/TH-D • Version: 10.09.2018 • Technical changes and errors excepted.

  • Page 34: Temperature Pi Control

    Target values and extension time received • never via communication objects • after power supply restoration • after power supply restoration and programming Sensors Sewi KNX AQS and Sewi KNX AQS/TH-D • Version: 10.09.2018 • Technical changes and errors excepted.
  • Page 35 Send control variable • on change • on change and periodically from change (in % absolute) 1...10; 2 Sensors Sewi KNX AQS and Sewi KNX AQS/TH-D • Version: 10.09.2018 • Technical changes and errors excepted.
  • Page 36 (with switching object) • 1 = Heating | 0 = Cooling Value of the switching object after reset 0 • 1 (with switching object) Sensors Sewi KNX AQS and Sewi KNX AQS/TH-D • Version: 10.09.2018 • Technical changes and errors excepted.
  • Page 37 "heating and cooling" to avoid direct switching from he- ating to cooling. Dead zone between heating and cooling 1…100; 50 (only if both heating AND cooling are used) Sensors Sewi KNX AQS and Sewi KNX AQS/TH-D • Version: 10.09.2018 • Technical changes and errors excepted.
  • Page 38 If the comfort setpoint value is used as a basis, the reduction/increment of the value is set. Reduce heating setpoint (in 0.1°C) 0…200; 50 (for heating) Increase cooling setpoint (in 0.1°C) 0…200; 60 (for cooling) Sensors Sewi KNX AQS and Sewi KNX AQS/TH-D • Version: 10.09.2018 • Technical changes and errors excepted.

  • Page 39: Heating Control Level 1/2

    In the 2nd level (therefore only in case of 2-level heating), heating is controlled via a PI or a 2-point-control. Sensors Sewi KNX AQS and Sewi KNX AQS/TH-D • Version: 10.09.2018 • Technical changes and errors excepted.
  • Page 40 This setting provides fixed parameters for frequent applications. Control type • PI control Setting of the controller by • Controller parameter • specified applications Sensors Sewi KNX AQS and Sewi KNX AQS/TH-D • Version: 10.09.2018 • Technical changes and errors excepted.
  • Page 41 1 bit object (on/off) or an 8 bit object (on with percentage/off). Control variable is a • 1 bit object • 8 bit object Value (in %) 0...100 (for 8 bit object) Sensors Sewi KNX AQS and Sewi KNX AQS/TH-D • Version: 10.09.2018 • Technical changes and errors excepted.

  • Page 42: Cooling Control Level 1/2

    You should set the time appropriate to the cooling system at this point (observe manufacturer's instructions). Maximum control variable is reached 0...5 at setpoint/actual difference of (in °C) Reset time (in min.) 1...255; 30 Sensors Sewi KNX AQS and Sewi KNX AQS/TH-D • Version: 10.09.2018 • Technical changes and errors excepted.
  • Page 43 1 bit object (on/off) or an 8 bit object (on with percentage/off). Control variable is a • 1 bit object • 8 bit object Value (in %) 0...100 (for 8 bit object) Sensors Sewi KNX AQS and Sewi KNX AQS/TH-D • Version: 10.09.2018 • Technical changes and errors excepted.

  • Page 44: Summer Compensation

    0.1°C • 0.2°C • 0.5°C • 1°C • 2°C • 5°C (if sent on change) Send cycle 5 s ... 2 h; 1 min (if sent periodically) Sensors Sewi KNX AQS and Sewi KNX AQS/TH-D • Version: 10.09.2018 • Technical changes and errors excepted.

  • Page 45: Humidity Measurement

    "Reset humidity min/max. value" objects to reset the values to the current readings. The values are not retained after a reset. Use minimum and maximum value No • Yes Sensors Sewi KNX AQS and Sewi KNX AQS/TH-D • Version: 10.09.2018 • Technical changes and errors excepted.

  • Page 46: Humidity Threshold Values

    Sensors Sewi KNX AQS and Sewi KNX AQS/TH-D • Version: 10.09.2018 • Technical changes and errors excepted.
  • Page 47 (is only sent if periodically is selected) Block The switching output can be blocked using an object. Use switching output block No • Yes Sensors Sewi KNX AQS and Sewi KNX AQS/TH-D • Version: 10.09.2018 • Technical changes and errors excepted.

  • Page 48: Humidity Pi Control

    Type of control • One-level dehumidification • Two-level dehumidification • Humidification and dehumidification Configure a block for the humidity control using the blocking object. Sensors Sewi KNX AQS and Sewi KNX AQS/TH-D • Version: 10.09.2018 • Technical changes and errors excepted.
  • Page 49 Enter, how the setpoint value will be received from the bus. Basically, a new value can be received, or simply a command to increase or decrease. Sensors Sewi KNX AQS and Sewi KNX AQS/TH-D • Version: 10.09.2018 • Technical changes and errors excepted.
  • Page 50 In case of a short reset time, the control responds with a fast increase of the control variable. In case of a long reset time, the control responds somewhat less Sensors Sewi KNX AQS and Sewi KNX AQS/TH-D • Version: 10.09.2018 • Technical changes and errors excepted.

  • Page 51: Dewpoint Measurement

    Set, in which cases offset received via object is to be retained. Please note that the set- ting "After power supply restoration and programming" should not be used for the in- Sensors Sewi KNX AQS and Sewi KNX AQS/TH-D • Version: 10.09.2018 • Technical changes and errors excepted.
  • Page 52 None • 1 s • 2 s • 5 s • 10 s • … • 2 h for setting via objects: valid until 1st communication Sensors Sewi KNX AQS and Sewi KNX AQS/TH-D • Version: 10.09.2018 • Technical changes and errors excepted.

  • Page 53: Absolute Humidity

    The absolute air humidity value is detected by the Sewi KNX AQS and Sewi KNX AQS/TH-D and can be output to the bus. Sensors Sewi KNX AQS and Sewi KNX AQS/TH-D • Version: 10.09.2018 • Technical changes and errors excepted.

  • Page 54: Comfort Field

    Minimum relative humidity in % 10 ... 43; 30 (Standard 30%) Maximum absolute humidity in 0.1 g/kg 50 ... 200; 115 (Standard 115 g/kg) Sensors Sewi KNX AQS and Sewi KNX AQS/TH-D • Version: 10.09.2018 • Technical changes and errors excepted.

  • Page 55: Air Pressure Measurement

    Text for normal pressure range < 98,000 Pa stormy (e.g. weather is stormy) 98,000...100,000 Pa rainy (e.g. weather is rainy) 100,000...102,000 Pa changeable (e.g. weather is changeable) Sensors Sewi KNX AQS and Sewi KNX AQS/TH-D • Version: 10.09.2018 • Technical changes and errors excepted.

  • Page 56: Air Pressure Threshold Values

    The parameter is only taken into consideration if the specification/ setting by object is activated further down. Please note that the setting "After power restoration and pro- Sensors Sewi KNX AQS and Sewi KNX AQS/TH-D • Version: 10.09.2018 • Technical changes and errors excepted.
  • Page 57 • GW below = 1 | GW + Hyst. above = 0 • GW below = 0 | GW + Hyst. above = 1 Sensors Sewi KNX AQS and Sewi KNX AQS/TH-D • Version: 10.09.2018 • Technical changes and errors excepted.
  • Page 58 Switching output sends on change to 1 and periodically If switching output = 0 send 0 Switching output sends on change to 0 and periodically Sensors Sewi KNX AQS and Sewi KNX AQS/TH-D • Version: 10.09.2018 • Technical changes and errors excepted.

  • Page 59: Co2 Measurement

    The parameter is only taken into consideration if the setting via object is ac- tivated below. Please note that the setting "After power supply restoration and pro- Sensors Sewi KNX AQS and Sewi KNX AQS/TH-D • Version: 10.09.2018 • Technical changes and errors excepted.
  • Page 60 Set the hysteresis independent of the type of threshold value specification. Hysteresis setting in % • absolute Hysteresis in ppm 0...2000; 500 Hysteresis in % of the threshold value 0 … 50; 20 Sensors Sewi KNX AQS and Sewi KNX AQS/TH-D • Version: 10.09.2018 • Technical changes and errors excepted.
  • Page 61 The behaviour of the switching output on release is dependent on the value of the pa- rameter "Switching output sends" (see "Switching output") Switching output sends on change • Do not send message • Send switching output status Sensors Sewi KNX AQS and Sewi KNX AQS/TH-D • Version: 10.09.2018 • Technical changes and errors excepted.

  • Page 62: Co2 Pi-Control

    The status object shows the current status of the output variable (0 = OFF, >0 = ON) and can for example be used for visualisation. Sensors Sewi KNX AQS and Sewi KNX AQS/TH-D • Version: 10.09.2018 • Technical changes and errors excepted.
  • Page 63 Absolute value • Increase/decrease Increment in ppm 1 • 2 • 5 • ... • 20 • ... • 100 • 200 (upon increase/decrease change) Sensors Sewi KNX AQS and Sewi KNX AQS/TH-D • Version: 10.09.2018 • Technical changes and errors excepted.

  • Page 64: Variable Comparator

    Determine what the control variable comparator should output, and activate the input objects to be used. Transmission patterns and blocks can also be set. Sensors Sewi KNX AQS and Sewi KNX AQS/TH-D • Version: 10.09.2018 • Technical changes and errors excepted.

  • Page 65: Computer

    Maintain the input values received via communication • never objects • after power supply restoration • after power supply restoration and programming Sensors Sewi KNX AQS and Sewi KNX AQS/TH-D • Version: 10.09.2018 • Technical changes and errors excepted.
  • Page 66 • 4 byte counter without math. symbol • 4 byte counter with math. symbol • 4 byte floating point Output value (if applicable output value A1 / A2) Sensors Sewi KNX AQS and Sewi KNX AQS/TH-D • Version: 10.09.2018 • Technical changes and errors excepted.
  • Page 67 0 [Input range depending on the type of is exceeded output] if blocked 0 [Input range depending on the type of output] Sensors Sewi KNX AQS and Sewi KNX AQS/TH-D • Version: 10.09.2018 • Technical changes and errors excepted.
  • Page 68 Analysis of the blocking object • At value 1: block | At value 0: release • At value 0: block | At value 1: release Sensors Sewi KNX AQS and Sewi KNX AQS/TH-D • Version: 10.09.2018 • Technical changes and errors excepted.

  • Page 69: Logic

    Each logic output may transmit one 1 bit or two 8 bit objects. Determine what the out put should send if logic = 1 and = 0. Sensors Sewi KNX AQS and Sewi KNX AQS/TH-D • Version: 10.09.2018 • Technical changes and errors excepted.
  • Page 70 Output value object B if 0 … 255 / 100% / 360° / 127; 0 monitoring period is exceeded Sensors Sewi KNX AQS and Sewi KNX AQS/TH-D • Version: 10.09.2018 • Technical changes and errors excepted.

  • Page 71: And Logic Connection Inputs

    • Do not send message toring time • Send value exceeding [= value of the parameter "monitoring period"] 6.20.2.AND logic connection inputs Do not use Sensors Sewi KNX AQS and Sewi KNX AQS/TH-D • Version: 10.09.2018 • Technical changes and errors excepted.
  • Page 72 Switching output 2 Temperature inverted Switching output 3 Temperature Switching output 3 Temperature inverted Switching output 4 Temperature Switching output 4 Temperature inverted Sensors Sewi KNX AQS and Sewi KNX AQS/TH-D • Version: 10.09.2018 • Technical changes and errors excepted.
  • Page 73 Cooling 2 temperature controller inactive Humidity controller dehumidification 1 active Humidity controller dehumidification 1 inactive Humidity controller dehumidification 2 active Humidity controller dehumidification 2 inactive Sensors Sewi KNX AQS and Sewi KNX AQS/TH-D • Version: 10.09.2018 • Technical changes and errors excepted.

  • Page 74: Connection Inputs Of The Or Logic

    Switching output AND logic 6 inverted Switching output AND logic 7 Switching output AND logic 7 inverted Switching output AND logic 8 Switching output AND logic 8 inverted Sensors Sewi KNX AQS and Sewi KNX AQS/TH-D • Version: 10.09.2018 • Technical changes and errors excepted.
  • Page 76 Elsner Elektronik GmbH Control and Automation Engineering Sohlengrund 16 75395 Ostelsheim Phone +49 (0) 70 33 / 30 945-0 info@elsner-elektronik.de Germany +49 (0) 70 33 / 30 945-20 www.elsner-elektronik.de Technical support: +49 (0) 70 33 / 30 945-250...

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