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SenseAir aSENSE mIII, User Manual

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SenseAir aSENSE mIII User Manual Download Page 16

 

 

 

 

 

Dokument 
 

UMA0132

 

Rev 

3

 

Sid 
16 (16)

 

 

This product is in accordance with the EMC 2004/108/EC, 92/31/EEG including 
amendments by the CE-marking Directive 93/68/EEC 
The product fulfils the following demands:  
EN 61000-4-2 level 2, EN 61000-4-3 level 2,  
EN 61000-4-4 level 4, EN 61000-4-6, EN 61000-4-8 level 4, EN 55022 class B

 

 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 
 
 
 

Contact

 

 

 

SenseAir

®

 AB Europe 

SenseAir

®

 North America

 

SenseAir

®

 Asia

 

Box 96 
Stationsgatan 12 
SE- 82060 Delsbo 
Sweden 

29030 SW Town Center Loop East 
Suite 202 #169 
Wilsonville, OR 97070 
USA  
 

SenseAir

®

 Chengdu Gas Sensors Ltd. 

First floor of 8th of Xingke South Road 
Jiniu High-Tech, Industrial Park 
610036, Chengdu 
China

 

 

 

 

Phone: +46 (0) 653 - 71 77 70 
E-mail: [email protected] 
Web site: senseair.com 

Phone: +1 (520) 349-7686 
E-mail: [email protected] 
Web site: senseair.com 

Phone: +86 - 028  875 928 85 
E-mail: [email protected] 
Web site: senseair.asia 

Summary of Contents for aSENSE mIII

Page 1: ...ar control of e g mixed air dampers humidifier and fans The measured values are shown on the display The unit can alternatively be connected to common VAV Variable Air Volume controllers or Direct Digital Control DDC The linear output functions are pre programmed All functions can be modified from a PC with the software UIP version 4 3 or higher and the RS232 communication cable Figure 1 aSENSE mI...

Page 2: ...verwritten one by one The data storage is secured every four hours In case of power failure the sampled data of the latest four hours at most will be lost The other values can be studied with the software UIP4 3 and exported to a text file for further treatment in e g MS EXCEL 10 0 20 0 30 0 40 0 50 0 60 0 70 0 80 0 90 0 100 0 16 00 20 00 00 00 04 00 08 00 12 00 16 00 20 00 00 00 04 00 08 00 12 00...

Page 3: ...tion 1 2 Power Power ground 24 VAC DC 20 3W 24 VAC DC 2W without output load The same ground reference has to be used for the aSENSE mIII unit and for the control system 3 Out 1 0 10VDC 0 100 ppm CO Measuring signal carbon monoxide 4 Out 2 0 10VDC 0 2000 ppm CO2 Measuring signal carbon dioxide 5 Unmarked Signal Ground Connected to G0 via PTC fuse 6 7 Relay Closed Open 30 ppm CO 1400 ppm CO2 35 ppm...

Page 4: ...rations are needed for the application these have to be reconfigured before the unit is powered up Default values are 0 10 V Figure 5 The connection terminal area of the aSENSE mIII with jumpers and terminals The terminal DI1 may be used for forced ventilation If the sensor has a heater it is connected to and DI1 DI1 Switch for alarm test Jumpers to choose between voltage or current outputs Jumper...

Page 5: ...r Out 2 Out 4 Voltage Open collector Connection in position Voltage provides 0 10VDC for Out 4 Connection in position Open collector provides an open collector output Max 0 5A 55VDC 40VAC half wave rectifier Table II Configuration jumpers for aSENSE mIII Option Network Adapter for Connection to RS 485 Network The network adapter can be used to connect the SenseAir sensor to a RS 485 network The ad...

Page 6: ...sh buttons Figure 7 The push button MENU is pushed Figure 8 The push button ESC is pushed Figure 9 The ENTER command is done by pushing buttons MENU and ESC at the same time for about 14 seconds Display modes In DISPLAY MODE the DEFAULT operation is that the sensor alternates between carbon dioxide and carbon monoxide readings presentation The push button MENU is used to select the indicated value...

Page 7: ...ays use the ESC button to return to the DEFAULT mode Several pushes of the ESC button may be needed to return to the DEFAULT mode The Entr push MENU ESC eventually leads to execution of functions which causes temporary or permanently change of any parameter that affects the system outputs Function Line Display Time limit Function description 3 ECxx yes Access code to the service menu The default v...

Page 8: ...rect the zero point error The sensor needs fresh air 380 420 ppm CO2 The calibration must be confirmed by pressing Entr The CO2 sensor is calibrated to 400 ppm CO2 and the CO sensor to 0 ppm CO 7a Sure yes Confirm that a background calibration shall be done 8 CAL yes Zero point calibration of the CO sensor and the CO2 sensor The sensor needs zero gas See the zero point calibration instruction The ...

Page 9: ...y shows SPCO to set the CO set point 6 Push MENU once to reach the carbon dioxide set point The display shows SP C 7 Push MENU once to reach the setting of analogue outputs The display shows AOUt 8 Push ENTR to reach the output to be set The display shows An and two digits e g An 01 Step to the requested output by pushing MENU 9 Push ENTR to reach the setting of the MIN value The display shows Set...

Page 10: ...II Setting of set points for carbon monoxide concentration and carbon dioxide concentration the MAX and MIN values of the analogue outputs and calibration of the sensor The access code and the recalibration of the sensor are time limited If the time limit is exceeded the sensor returns to DEFAULT ENTR MENU and ESC are pushed simultaneously 1 At the start of the setting the sensor is in DEFAULT 2 P...

Page 11: ... set point value in steps of 50 ppm 10 Push ENTR once when the set point is set The display shows SP C Push ESC to return to DEFAULT 11 Push MENU once to reach the setting of analogue outputs The display shows AOUt 12 Push ENTR to reach the output to be set The display shows An and two digits e g An 01 Step to the requested output by pushing MENU 13 Push ENTR to reach the setting of the MIN value ...

Page 12: ...These LED s indicate the status of the controller An internal delay function prevents the alarm functions of the relay and OUT4 output during two minutes after power up The alarm outputs may be tested after the two minutes delay Green LED No alarm situation is lit when the relay is contact closed Yellow LED Call for maintenance is lit if an error flag is set or the measurement is out of range This...

Page 13: ... inserted in marked holes of the sensor Plastic tubing is connected to the tube The gas flow should be between 0 3 and 1 0 l min The yellow LED flashes when a calibration is executed A calibration will only be executed if the gas concentration is stable If the yellow LED does not flash after 8 seconds no calibration has been executed Then try to do another calibration Marking Function CALb CO2 Bac...

Page 14: ...flashes Push buttons are not operating Try to restart sensor by power OFF ON Contact local distributor 1 2 Reserved 2 4 Algorithm Error Indicate wrong EEPROM configuration Try to restart sensor by power OFF ON Check detailed settings and configuration with UIP software version 4 3 and higher Contact local distributor 3 8 Output Error Detected errors during output signals calculation and generation...

Page 15: ...free An internal self adjusting calibration function takes care of normal long term drift associated to the CO and CO2 sensor To secure the highest accuracy a time interval of five years is recommended between calibrations unless some special situations have occurred A zero calibration can be performed by use of the push button functions or for a complete overview by use of a PC together with the ...

Page 16: ...ct SenseAir AB Europe SenseAir North America SenseAir Asia Box 96 Stationsgatan 12 SE 82060 Delsbo Sweden 29030 SW Town Center Loop East Suite 202 169 Wilsonville OR 97070 USA SenseAir Chengdu Gas Sensors Ltd First floor of 8th of Xingke South Road Jiniu High Tech Industrial Park 610036 Chengdu China Phone 46 0 653 71 77 70 E mail info senseair com Web site senseair com Phone 1 520 349 7686 E mail...

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