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Synetica enLink IAQ User Manual

Lorawan wireless indoor air quality monitor
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IAQ
USER GUIDE
LoRaWAN Wireless Indoor Air Quality Monitor
1

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Summary of Contents for Synetica enLink IAQ

  • Page 1 USER GUIDE LoRaWAN Wireless Indoor Air Quality Monitor...

  • Page 2: Table Of Contents

    Contents enLink IAQ User Guide Introduction Configuration Join enLink Devices to the LoRa Network Powering the Unit Setting / Changing the enLink LoRa Keys Setting / Changing the Transmit Interval Live Menu Configuration Menu CO2 Sensor Auto Calibration Configuration CO2 Monitoring...
  • Page 3 ® ® building standards. Designed and manufactured in the UK, the enLink IAQ allows for easy visualization and analysis of air quality data including temperature, relative humidity, particulate matter, CO2, ozone, CH2O, CO, NO2, H2S, SO2, O2, volatile organic compounds, barometric pressure and sound levels.

  • Page 4: Introduction

    Introduction enLink IAQ accurately measures up to nine key indoor air quality parameters. The device can monitor temperature, relative humidity, particulate matter, CO 2 , Ozone, CH 2 O, CO, NO 2 , H 2 S, SO 2 , O 2 , VOC’s, barometric pressure and sound level.

  • Page 5: Join Enlink Devices To The Lora Network

    Made in the UK enLink IAQ Unit Label The unique DevEUI is printed on all enLink devices and is also present in the QR code. The DevEUI can be used to identify the device once joined to the network.

  • Page 6: Powering The Unit

    Alternatively, the unit can be externally powered from a power supply unit (PSU) with 12V to 24V DC (rated 200mA or greater). Contact Synetica for more information on externally powering the unit. Apply correct power to the unit, carefully observing the polarity and slide the power switch to EXT.

  • Page 7: Setting / Changing The Enlink Lora Keys

    Once the cover is removed, connect a micro USB cable to the enLink unit. There are two USB connectors on the enLink IAQ, so be sure to connect to the correct USB port as shown in the image below. The device will attach to a...
  • Page 8 Using a terminal program (e.g. Teraterm https://github.com/TeraTermProject/teraterm/releases) connect to the COM Port used by the enLink device. See Synetica document “Configuring enLink Devices Using Serial Terminal Applications” for more details including using PuTTY and serial applications that will operate on Apple and Linux computers.
  • Page 9 The screen below will show with the enLink Main Menu options. Enter Q to enter the Quick Start Menu. enLink Main Menu The Quick Start Menu contains only the parameters that normally need to be configured to setup the device and join the LoRa network.

  • Page 10: Setting / Changing The Transmit Interval

    Select a fixed transmit interval from the menu options. The Transmission Interval may also be changed by using a LoRaWAN downlink message. See: https://github.com/synetica/enlink-decoder?tab=readme-ov-file#downlink-message-index-tables for more details and example downlink messages. Press Enter when the interval is correctly set to return to the Quick Start Settings...

  • Page 11: Live Menu

    To enter the Live status screen, from the Main Menu enter C for Configure Device followed by D for Live readings display. A screen similar to the one below will show. The sensors will vary according to the enLink IAQ model and the installed sensors.

  • Page 12: Configuration Menu

    Configuration Menu The enLink IAQ Configuration Menu allows you to view current sensor readings and also to change various func- tions of their behaviour such as calibration data. To enter the Configure Device Menu press C from the Main Menu.

  • Page 13: Co2 Sensor Auto Calibration Configuration

    CO2 Sensor Auto Calibration Configuration To view and set CO2 sensor calibration information, enter C and the screen below will show. Please see the table below for information on each menu item. Menu Item Description Details Shows the last CO 2 value read and the minimum CO 2 value read since the last auto calibration. Last/Minimum Reading Next Auto-Cal due Shows when the next auto-calibration routine will occur...
  • Page 14 Many of the above parameters can also be set via LoRaWAN downlink message. See https://github.com/synetica/ enlink-decoder?tab=readme-ov-file#carbon-dioxide-sensor-downlinks for more details. The CO2 sensor needs to be exposed to fresh, clean air periodically for the auto calibration to be successful. Most occupied areas are unoccupied for some time during a week-long period, typically at night, or at the weekend and therefore the auto calibration runs every 8 days by default.

  • Page 15: Co2 Monitoring

    CO2 Monitoring Measuring CO2 levels can serve as a good indicator of the indoor air quality. CO2 concentrations within a building are often used to indicate whether adequate fresh air is being supplied to the space. Indoor CO2 concentration is directly proportional to the number of people in a building and the ability of the ventilation system to dilute the CO2 generat- ed by occupants.

  • Page 16: Voc Sensor Configuration

    All parameters can be toggled on or off from the menu. The above parameters can also be set via LoRaWAN downlink message. https://github.com/synetica/enlink-decoder?tab=readme-ov-file#voc-sensor-downlinks for more details. Menu Item Description Details The VOC sensor includes an accurate barometric pressure sensor.

  • Page 17: Voc Monitoring

    They do not generate personalised information. The enLink IAQ unit incorporates a highly sensitive VOC sensor for air pollution measurement. Gases that can be detected by the VOC sensor include: Volatile Organic Compounds (VOCs) from paints (such as formaldehyde), lac- quers, paint strippers, cleaning supplies, furnishings, office equipment, glues, adhesives and alcohol.

  • Page 18: Particulate Matter Sensor Configuration

    All parameters can be toggled on or off from the menu. The above parameters can also be set via LoRaWAN downlink message. See: https://github.com/synetica/enlink-decoder?tab=readme-ov-file#particulate-sensor-downlinks for more details.

  • Page 19: Gas Sensor Configuration

    Gas Sensor Configuration The IAQ has the capability to add one additional gas sensor to monitor an additional gas. Some examples are below, consult with Synetica for a full list of gases and ranges available. • AQS-CO-10 Carbon Monoxide, 0 - 10 ppm •...
  • Page 20 U - Set trim value for µg/m³ Allows the mass concentration reading to be offset to align more closely with reading reference instruments. All of the above parameters can also be set via LoRaWAN downlink message. See https://github.com/synetica/ enlink-decoder?tab=readme-ov-file#gas-sensor-downlinks for more details.

  • Page 21: Power Considerations

    Power Considerations The enLink IAQ can be powered with 4 x 3.6V lithium-thionyl chloride (Li-SOCl2) AA sized batteries or via external power (12 - 24V DC @ 200mA or greater). enLink IAQ can be specified with many environmental sensor options including laser scattering particle matter sen- sor and a variety of gas sensors.

  • Page 22: Battery Installation / Replacement

    Battery Installation / Replacement enLink IAQ devices use 4 x SAFT LS14500 or EVE ER14505 AA size 3.6 volt lithium-thionyl chloride (Li-SOCl2) batteries (non-rechargeable) or direct equivalent. No other batteries are approved for use in the device. Lithium-thionyl chloride batteries have very high energy capacity and must be used and handled with care observing the guidance below.

  • Page 23: Enclosure Mounting Details

    LoRaWAN Payload Decoder The latest LoRaWAN payload decoders and guides are available on the Synetica GitHub repository: https://github.com/synetica/enlink-decoder A live payload decoder which allows you to paste LoRa payloads in Hexadecimal or Base 64 and see the correctly decoded results can be found at the link below: https://synetica.github.io/enlink-decoder/...
  • Page 24 About us Synetica was established in 2008 with the simple idea to revolutionise air quality monitoring, energy usage and remote asset monitoring. Our global customer base relies on our expertise to help them reduce emissions and clean up the air they breathe by allowing them to monitor their energy usage and key environmental parameters via the touch of a button.

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