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Installation and start-up

Sensors Sewi KNX AQS and Sewi KNX AQS/TH-D

• Version: 10.09.2018 • Technical changes and errors excepted.

2.3. Construction of the sensor

2.3.1. Housing from the outside

Fig. 1
A Recess to open the hous-

ing. When closing the
housing, the recess aligns
to the marking on the skirt-
ing

Summary of Contents for Sewi KNX AQS

Page 1: ...Item numbers 70394 AQS 70397 AQS TH D Sewi KNX AQS and Sewi KNX AQS TH D Indoor Air Quality Sensors EN Installation and Adjustment...

Page 2: ......

Page 3: ...ication objects 13 6 Parameter setting 28 6 1 Behaviour on power failure restoration of power 28 6 2 General settings 29 6 3 Temperature Measurement 29 6 4 Temperature threshold values 30 6 4 1 Thresh...

Page 4: ...rom ETS programme version 1 1 Version 10 09 2018 Technical changes and errors excepted 6 18 1 Control variable comparator 1 2 3 4 62 6 19 Computer 63 6 19 1 Computer 1 8 63 6 20 Logic 67 6 20 1 AND lo...

Page 5: ...eshooting of the device must only be carried out by a competent electrician Safety advice Safety advice for working on electrical connections components etc DANGER indicates an immediately hazardous s...

Page 6: ...4 Clarification of signs...

Page 7: ...alculation The share of internal measurement value and external value can be set as a percentage Threshold values can be adjusted per parameter or via communication objects PI controller for ventilati...

Page 8: ...sing Plastic Colour White Cover glossy skirting matt Assembly Surface wall or ceiling installation Protection category IP 30 Dimensions approx 105 mm height approx 32 mm Total weight approx 50 g Ambie...

Page 9: ...should only be performed by an electrician CAUTION Live voltage There are unprotected live components inside the device National legal regulations are to be followed Ensure that all lines to be assemb...

Page 10: ...ndensation The sensor is installed surface mounted on walls or ceilings When selecting an installation location please ensure that the measurement results of temperature humidity and CO2are affected a...

Page 11: ...d Sewi KNX AQS TH D Version 10 09 2018 Technical changes and errors excepted 2 3 Construction of the sensor 2 3 1 Housing from the outside Fig 1 A Recess to open the hous ing When closing the housing...

Page 12: ...Assembly Fig 2 1 a b Long holes for mounting hole distance 60 mm 2 Sensors for temperature humidity pressure only Sewi KNX AQS TH D 3 CO2 Sensor 4 Programming button 5 Programming LED 6 KNX terminal B...

Page 13: ...t be closed or covered 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...

Page 14: ...th the bus address 15 15 254 You can program a differ ent address in the ETS by overwriting the address 15 15 254 or by teaching the device via the programming button The programming button is on the...

Page 15: ...emp 2 bytes 43 Temperature sensor Measured value Output R CT 9 1 DPT_Val ue_Temp 2 bytes 44 Temperature sensor Total measurement Output R CT 9 1 DPT_Val ue_Temp 2 bytes 45 Temperature sensor Min Max m...

Page 16: ...h 1 bit 67 Temp threshold value 3 Switching delay from 0 to 1 Input WC 7 5 DPT_Time PeriodSec 2 bytes 68 Temp threshold value 3 Switching delay from 1 to 0 Input WC 7 5 DPT_Time PeriodSec 2 bytes 69 T...

Page 17: ...itch 1 bit 336 Humidity threshold value 1 Switching output block Input WC 1 1 DPT_Switch 1 bit 337 Humidity threshold value 2 Absolute value Input Output RWCT 9 7 DPT_Val ue_Humidity 2 bytes 338 Humid...

Page 18: ...DPT_Switch 1 bit 385 Coolant temp Current offset Output R CT 9 1 DPT_Val ue_Temp 2 bytes 386 Coolant temp Switching delay from 0 to 1 Input WC 7 5 DPT_Time PeriodSec 2 bytes 387 Coolant temp Switching...

Page 19: ...PT_Time PeriodSec 2 bytes 414 Air pressure threshold value 1 Delay from 1 to 0 Input WC 7 5 DPT_Time PeriodSec 2 bytes 415 Air pressure threshold value 1 Switching output Output R CT 1 1 DPT_Switch 1...

Page 20: ...t block Input WC 1 1 DPT_Switch 1 bit 441 CO2 Sensor Malfunction Output R CT 1 1 DPT_Switch 1 bit 442 CO2 Sensor External measurement Input WCT 9 008 DPT_Val ue_AirQuality 2 bytes 443 CO2 Sensor Measu...

Page 21: ...7 5 DPT_Time PeriodSec 2 bytes 464 CO2 threshold value 3 Switching output Output R CT 1 1 DPT_Switch 1 bit 465 CO2 threshold value 3 Switching output block Input WC 1 1 DPT_Switch 1 bit 466 CO2 thres...

Page 22: ...eating 1 0 Input WC 1 1 DPT_Switch 1 bit 489 Temp controller Setpoint comfort cooling Input Output RWCT 9 1 DPT_Val ue_Temp 2 bytes 490 Temp controller Setpoint comfort cooling 1 0 Input WC 1 1 DPT_Sw...

Page 23: ...WCT 1 1 DPT_Switch 1 bit 510 Temp controller Comfort extension time Input RWCT 7 5 DPT_Time PeriodSec 2 bytes 515 European Summer Time Outside temperature Input WCT 9 1 DPT_Val ue_Temp 2 bytes 516 Eur...

Page 24: ...1 Input WC 5 1 DPT_Scaling 1 byte 1119 Control variable comparator 2 Input 2 Input WC 5 1 DPT_Scaling 1 byte 1120 Control variable comparator 2 Input 3 Input WC 5 1 DPT_Scaling 1 byte 1121 Control va...

Page 25: ...ng 4 bytes 1142 Computer 1 Input I2 Input RWCT Depending on setting 4 bytes 1143 Computer 1 Input I3 Input RWCT Depending on setting 4 bytes 1144 Computer 1 Output O1 Output R CT Depending on setting...

Page 26: ...ut RWCT Depending on setting 4 bytes 1167 Computer 4 Input I3 Input RWCT Depending on setting 4 bytes 1168 Computer 4 Output O1 Output R CT Depending on setting 4 bytes 1169 Computer 4 Output O2 Outpu...

Page 27: ...Input I3 Input RWCT Depending on setting 4 bytes 1192 Computer 7 Output O1 Output R CT Depending on setting 4 bytes 1193 Computer 7 Output O2 Output R CT Depending on setting 4 bytes 1194 Computer 7 C...

Page 28: ...output A Output R CT 5 010 DPT_ Value_1_Ucount 1 byte 1413 AND logic 1 8 bit output B Output R CT 5 010 DPT_ Value_1_Ucount 1 byte 1414 AND logic 1 Block Input WC 1 1 DPT_Switch 1 bit 1415 AND logic...

Page 29: ...ool 1 bit 1440 AND logic 8 8 bit output A Output R CT 5 010 DPT_ Value_1_Ucount 1 byte 1441 AND logic 8 8 bit output B Output R CT 5 010 DPT_ Value_1_Ucount 1 byte 1442 AND logic 8 Block Input WC 1 1...

Page 30: ...010 DPT_ Value_1_Ucount 1 byte 1461 OR logic 5 8 bit output B Output R CT 5 010 DPT_ Value_1_Ucount 1 byte 1462 OR logic 5 Block Input WC 1 1 DPT_Switch 1 bit 1463 OR logic 6 1 bit switching output Ou...

Page 31: ...g 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 rese...

Page 32: ...ysteresis directly Threshold value setting via a communication object Define how the threshold value is to be received from the bus Basically a new value can be received or simply a command to increas...

Page 33: ...1 C 300 800 Type of threshold value change Absolute value Increase decrease Increment upon increase decrease change 0 1 C 5 C Hysteresis setting in absolute Hysteresis in 0 1 0 1100 50 Hysteresis in o...

Page 34: ...ct At value 1 block At value 0 release At value 0 block At value 1 release Blocking object value before 1st communication 0 1 Behaviour of the switching output On block Do not send message send 0 send...

Page 35: ...rnatively you can use three objects with one object switching between eco and standby mode and the two others activating comfort mode and frost heat protection mode respectively The comfort object blo...

Page 36: ...value only the deviation from the comfort setpoint value is listed for the other modes e g 2 C less for standby mode Cycle if sent periodically 5 s 5 min 2 h Send status objects on change on change to...

Page 37: ...t as well as a temperature range in which the setpoint value may be modified If setpoint values are entered separately If the comfort setpoint value is used as a basis If the comfort setpoint value is...

Page 38: ...fined as well as a temperature range in which the setpoint value may be changed If the comfort setpoint value is used as a basis If the comfort setpoint value is used as a basis the reduction incremen...

Page 39: ...lowing applies 0 100 heating 66 100 control variable OFF 50 control variable 0 100 cooling 33 0 control variable 6 5 1 Heating control level 1 2 If a heating control mode is configured one or two sett...

Page 40: ...g system at this point observe ma nufacturer s instructions Now specify what should be sent when the control is blocked Set a value greater 0 OFF to receive a basic heating level e g for floor heating...

Page 41: ...shold range If separate control variables are used select whether the control variable of the 2nd le vel is a 1 bit object on off or an 8 bit object on with percentage off Application Warm water heati...

Page 42: ...ation from the setpoint value which reaches maximum variable value i e the point at which maximum cooling power is activated The reset time shows how quickly the controller responds to deviations from...

Page 43: ...frequent on off switching of temperatures in the th reshold range If separate control variables are used select whether the control variable of the 2nd le vel is a 1 bit object on off or an 8 bit obj...

Page 44: ...in which the target value for the indoor temperature is to be adapted linearly Then specify which indoor temperature target values are to be valid below point1 and above point 2 Standard values accor...

Page 45: ...the overall reading The minimum and maximum readings can be saved and sent to the bus Use the Reset humidity min max value objects to reset the values to the current readings The values are not retai...

Page 46: ...old values and hysteresis directly Threshold value setting using a communication object Define how the threshold value is to be received from the bus Basically a new value can be received or simply a...

Page 47: ...ncrease decrease Increment upon increase decrease change 0 1 RH 2 0 RH 20 0 RH Hysteresis setting in absolute Hysteresis in 0 1 RH 0 1000 100 Hysteresis in relative to the threshold value 0 50 20 When...

Page 48: ...nalysis of the blocking object At value 1 block At value 0 release At value 0 block At value 1 release Blocking object value before first communi cation 0 1 Behaviour of the switching output On block...

Page 49: ...ich is valid until the first communication of a new setpoint value For units which have already been ta ken into service the last communicated setpoint value can be used Basically an air humidity rang...

Page 50: ...lue difference between the two levels must be defined i e the setpoint value which when exceeded triggers the switch to the 2nd level Determine the deviation from the setpoint value at which the maxim...

Page 51: ...e set for the temperature of the coolant which is based on the current dewpoint temperature offset deviation The switching output of the coolant temperature monitoring system can provide a warning pri...

Page 52: ...e offset received via communication object never after power supply restoration after power supply restoration and programming Start offset in C valid until first communication 0 200 30 Increment for...

Page 53: ...n change to 0 and periodically Send cycle is only sent if periodically is selected 5 s 10 s 30 s 2 h Use switching output block No Yes Analysis of the blocking object At value 1 block At value 0 relea...

Page 54: ...y with DIN 1946 Use absolute humidity No Yes Sending pattern never periodically on change on change and periodically At and above change of if sent on change 0 1 g 0 2 g 0 5 g 1 0 g 2 0 g 5 0 g Send c...

Page 55: ...e minimum and ma ximum value these values are not retained after a reset Dependent on the air pressure measured a Text object can be sent Specify the sen ding pattern and enter the text Use malfunctio...

Page 56: ...value The menus for setting the threshold values are displayed 6 14 1 Air pressure threshold value 1 4 Threshold value Set in which cases threshold values and delay times received are to be kept per...

Page 57: ...ceeded or undercut Set the delay for the switching and in which cases the switch output transmits Maintain the threshold values and delays received via communication object never after power supply re...

Page 58: ...Cycle if sent periodically 5 s 2 h Use switching output block No Yes Analysis of the blocking object At value 1 block At value 0 release At value 0 block At value 1 release Blocking object value befor...

Page 59: ...Activate the required CO2 threshold value The menus for setting the threshold values are displayed 300 ppm 1000 ppm fresh air 1000 ppm 2000 ppm used air 1000 ppm 0 1 6 16 1 Threshold value 1 2 3 4 Thr...

Page 60: ...e used Basically a range is specified in which the threshold value can be changed object value limit A set threshold value will be retained until a new value or a change is transferred The current val...

Page 61: ...TV hyst above 1 Delays can be set via objects in seconds No Yes Switching delay from 0 to 1 If delay can be set via objects valid until first communication None 1 s 2 s 5 s 10 s 2 h Switching delay fr...

Page 62: ...object shows the current status of the output variable 0 OFF 0 ON and can for example be used for visualisation Switching output sends on change to 1 Do not send message if switching output 1 send 1 S...

Page 63: ...ct value limit A set setpoint value will be retained until a new value or a change is transferred The current value is saved so that it is retained in the event of a power supply failure and will be a...

Page 64: ...ds somewhat less urgently and needs longer until the necessary control variable for the setpoint value deviation is reached You should set the time appropriate to the ventilation system at this point...

Page 65: ...m value Minimum value Average value Use input 1 2 3 4 5 No Yes Output sends on change of output on change of output and periodically when receiving an input object when receiving an input object and p...

Page 66: ...nt Calculation Output 1 E1 X Y Output 2 E2 X Y Transformation General Tolerance for comparison in the case of prerequisite E1 E2 0 4 294 967 295 Input type Selection options depending on the func tion...

Page 67: ...Input range depending on the type of output Output sends on change on change and after reset on change and periodically when receiving an input object when receiving an input object and periodically T...

Page 68: ...at a 1 or 0 at the block entry means and what happens in the event of a block Output sends on change on change and after reset on change and periodically when receiving an input object when receiving...

Page 69: ...are available for AND and OR 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 Value before first call 0 1 Output pattern On b...

Page 70: ...bit objects Output value if logic 1 1 0 Output value if logic 0 1 0 Output value If block is active 1 0 Output value if monitoring period is exceeded 1 0 Object type Value 0 255 Percent 0 100 Angle 0...

Page 71: ...to 0 on change of logic and periodically on change of logic to 1 and periodically on change of logic to 0 and periodically on change of logic object receipt on change of logic object receipt and perio...

Page 72: ...ed Logic input 12 Logic input 12 inverted Logic input 13 Logic input 13 inverted Logic input 14 Logic input 14 inverted Logic input 15 Logic input 15 inverted Logic input 16 Logic input 16 inverted Te...

Page 73: ...tput 1 CO2 inverted Switching output 2 CO2 Switching output 2 CO2 inverted Switching output 3 CO2 Switching output 3 CO2 inverted Switching output 4 CO2 Switching output 4 CO2 inverted Comfort tempera...

Page 74: ...espond to those of the AND logic In addition the following inputs are available for the OR logic Switching output AND logic 1 Switching output AND logic 1 inverted Switching output AND logic 2 Switchi...

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Page 76: ...bH Control and Automation Engineering Sohlengrund 16 75395 Ostelsheim Phone 49 0 70 33 30 945 0 info elsner elektronik de Germany Fax 49 0 70 33 30 945 20 www elsner elektronik de Technical support 49...

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