YOSensi YO Refrigerant Monitor User Manual
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YOSensi YO Refrigerant Monitor User Manual

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YO Refrigerant Monitor
User guide v1.2

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Summary of Contents for YOSensi YO Refrigerant Monitor

  • Page 1 YO Refrigerant Monitor User guide v1.2...

  • Page 2: Release Notes

    Release notes Released Version Key changes 05.09.2022 Initial release. Added configuration with Yosensi Management Platform for devices with firmware with 3.4.0 and newer. Changed 20.07.2023 description of connecting nodes with Yosensi Management Platform. 26.10.2023 Added configuration with Yosensi Mobile App...

  • Page 3: Table Of Contents

    Installation guide Operation IoT system components Device configuration Configurable parameters Parameters description Configuration node with Yosensi Management Platform Configuration node with Yosensi mobile app Connecting node with network Yosensi Management Platform configuration Adding a node manually Adding node via Bluetooth...

  • Page 4: Product Description

    Product description Overview The YO Refrigerant Monitor is a device used to measure pressure in installations where pressure occurs. The device provides data on the pressure in the installation. Based on this information, it is possible to verify the correct functioning of the installation and prevent potential damage and loss of materials and products that this installation maintains.

  • Page 5: Physical Interfaces

    BLE communication: connection to the device via BLE (configuration). Rapid flashing Blue LoRaWAN communication: connecting to LoRaWAN network. Buttons YO Refrigerant Monitor is equipped with one reset button inside the device on the PCB board next to the RGBW LED diode . www.yosensi.io...

  • Page 6: Specifications

    YO Refrigerant Monitor User guide v1.2 page 6/29 Specifications Physical Figure 3 Dimensions of the device. PHYSICAL SPECIFICATION Dimensions Height: 42 mm Width: 88 mm Depth: 64 mm Colour Light grey Mounting method Horizontal Vertical (can be screwed to the wall)

  • Page 7: Operating Conditions

    YO Refrigerant Monitor is able to work with different models of pressure sensors, please contact Yosensi if you are interested in implementing a different sensor than the recommended one.
  • Page 8 YO Refrigerant Monitor User guide v1.2 page 8/29 Figure 4 Sensor pressure monitoring chart. Figure 5 Sensor temperature monitoring chart. www.yosensi.io...

  • Page 9: Internal Temperature And Relative Internal Humidity

    YO Refrigerant Monitor User guide v1.2 page 9/29 Internal Temperature and relative internal humidity Temperature and relative humidity are measured by sensors placed inside the device enclosure. These measurements can be used to monitor if the device is working in recommended conditions.

  • Page 10: Battery Condition

    YO Refrigerant Monitor User guide v1.2 page 10/29 Battery condition Battery voltage is used to monitor its condition – to spot anomalies (like sudden drop) or its current condition based on voltage drop over time in comparison to initial voltage rating.

  • Page 11: Installation

    YO Refrigerant Monitor User guide v1.2 page 11/29 Installation Package contents Device (without batteries). Warranty card. Wrench (25 mm / 1”). 4-pin electrical connector. Safety precautions SAFETY PRECAUTIONS SYMBOL DESCRIPTION Device is marked with a symbol saying that electrical and electronic products may not be mixed with unsorted household waste.

  • Page 12: Installation Guide

    YO Refrigerant Monitor User guide v1.2 page 12/29 Installation guide 1. Unscrew the device: remove 4 screws from the enclosure. Figure 9 Device opening instructions. 2. Unscrew the cable gland nut and remove the cap. Figure 10 Device with removed top cover and PG7 cap marked.
  • Page 13 YO Refrigerant Monitor User guide v1.2 page 13/29 Figure 11 Input cable passing through the cable gland instructions. 4. Press the spring contact and insert the appropriate wire into the corresponding slot in the connector: VCC - brown wire SDA - black wire...
  • Page 14 YO Refrigerant Monitor User guide v1.2 page 14/29 Figure 13 Connecting sensor instructions. 6. Plug and screw the 4-pin electrical connector into the sensor. Figure 14 Connecting sensor instructions. 7. Place three LR6 batteries in the device according to the polarity indicated on the battery holder.
  • Page 15 YO Refrigerant Monitor User guide v1.2 page 15/29 Figure 15 Battery placement instructions. 8. Assemble the device and screw it back together. www.yosensi.io...

  • Page 16: Operation

    3. Server – in most cases, a cloud-based service where data is processed, stored, analysed, and presented in user-friendly ways (via a user interface); Yosensi default and recommended tools are Yosensi Management Platform (for IoT structure management) and Grafana (for data presentation).

  • Page 17: Device Configuration

    (generic): configuration data for LoRaWAN connection, ble (generic): bluetooth settings, device (dynamic): individual configuration for a specific device (this section’s structure differs for each device), Sample configuration file for the YO Refrigerant Monitor device. "info": { "devmodel": "LNFM", "fwver": "3.6.1", "loraradio": "SX1261",...
  • Page 18 YO Refrigerant Monitor User guide v1.2 page 18/29 GENERICS PARAMETERS SECTION NAME DESCRIPTION POSSIBLE DEFAULT READ/ VALUES VALUE WRITE devmodel Device name LNFM fwver Firmware version 3.6.1 loraradio Radio chipset model SX1261 info lorawanver LoRaWAN stack version 1.0.2 loraregion LoRaWAN region...

  • Page 19: Parameters Description

    YO Refrigerant Monitor User guide v1.2 page 19/29 DEVICE PARAMETERS NAME DESCRIPTION POSSIBLE DEFAULT READ/ VALUES VALUE WRITE measinterval Measuring and sending interval 120–999999 1800 LoRa [s] pressurerange Range setting for each pressure 10,20,50,100 sensor Parameters description nwktype: used for setting the device in public or private network type.
  • Page 20 YO Refrigerant Monitor User guide v1.2 page 20/29 UPLINK SUBBAND REGION DESCRIPTION POSSIBLE DEFAULT READ/ VALUES VALUE WRITE EU868 Sub-band 1; 867.1 - 868.5 MHz; channels 0-7 Sub-band 1; 902.3 - 903.7 MHz; channels 0-7 Sub-band 2; 903.9 - 905.3 MHz; channels 8-15 Sub-band 3;...

  • Page 21: Configuration Node With Yosensi Management Platform

    YO Refrigerant Monitor User guide v1.2 page 21/29 Configuration node with Yosensi Management Platform Connect to the device as follows: 1. Log in at app.yosensi.io 2. You’ll see the dashboard organization view. Go to the Application section in the sidebar.

  • Page 22: Configuration Node With Yosensi Mobile App

    Configuration node with Yosensi mobile app Connect to the device using Yosensi app as follows: 1. Login to Yosensi App using your credentials. 2. Go to the Devices section and choose the device you want to configure. If you can not see the device ensure that you are in the correct organization.

  • Page 23: Connecting Node With Network

    IoT systems management (like the root directory in operating systems). It can be created only by Yosensi staff, and all clients using Yosensi Management Platform have one created for them by default. In case of any questions, you can find us at support@yosensi.io.
  • Page 24 4. Proceed to the application by clicking its name on the list, then press the ‘≡’ button to add a node. Click ‘Add manually’ . Set the node’s ‘Name’ and ‘Description’ fields, and fill in ‘DEV EUI’ and ‘OTAA Key’ (otaa section – appkey). All device identifiers are provided by Yosensi Support when you order the nodes.
  • Page 25 5. New nodes must be added in OTAA mode. Nodes can be switched to ABP mode after activation in the Yosensi Management Platform by changing the Node configuration. Click on the link in the ‘Node Name’ column. Go to the ‘KEYS’ tab and switch ‘LoRa Type’ from OTAA to ABP and fill in the blank spaces, then press update.

  • Page 26: Adding Node Via Bluetooth

    ‘DETAILS’ tab (‘Node Name’ column link) and clicking ‘CHARTS’ . Adding node via Bluetooth 1. Log in at app.yosensi.io. 2. You’ll see the default organization view. To switch to another organization, click on the user avatar in the right top corner and select ‘Switch Organization’ .

  • Page 27: Payload Description

    An example payload produced by YO Refrigerant is presented below with divisions for each measurement and marked with decoded values, whose interpretation is described in the Payload description. Example of YO Refrigerant Monitor payload with description: 02:00:00:00:08:00:01:11:a6:0d:00:01:01:07:10:00:00:33:16:00:11:6d:00:13:0d:00:11:6d:01:10 Payload header First measurement (battery voltage) 0x02...

  • Page 28: Compliance Statements

    YO Refrigerant Monitor User guide v1.2 page 28/29 Compliance statements www.yosensi.io...
  • Page 29 YO Refrigerant Monitor User guide v1.2 page 29/29 www.yosensi.io...

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