YOSensi YO Airflow Pro Manual de usuario
YO Airflow Pro Dual
User guide v1.3
YO Airflow Pro Dual User guide v1.3
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Release notes
Released
Version
Key changes
24.03.2023
1.0
Initial release.
19.03.2023
1.1
Changes to configuration node description, figure 18 and
additional note.
27.07.2023
1.2
Changed description of connecting nodes with Yosensi
Management Platform.
26.10.2023
1.3
Added configuration with Yosensi Mobile App.
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YO Airflow Pro Dual User guide v1.3
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Content
Release notes 2
Content 3
Product description 4
Overview 4
Physical interfaces 5
LEDs 5
Buttons 5
Specifications 6
Physical 6
Operating conditions 7
Measured values 7
Internal Temperature and relative internal humidity 7
Battery condition 8
Differential pressure 9
Installation 10
Package contents 10
Safety precautions 10
Installation guide 11
Important! 12
Important to avoid breaking the device! 12
Operation 14
IoT system components 14
Device configuration 15
Configurable parameters 15
Parameters description 17
Configuration node with Yosensi Management Platform 19
Configuration node with Yosensi mobile app 20
Connecting node with network 21
Yosensi Management Platform configuration 21
Adding a node manually 21
Adding node via Bluetooth 24
Payload description 25
Compliance statements 26
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YO Airflow Pro Dual User guide v1.3
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Product description
Overview
The YO Airflow Pro Dual is equipped with two differential pressure sensors. It can be used to verify
the dirtiness of air filters and control the pressure in air conditioning systems and air blowers. Other
uses include controlling and monitoring airflow and air pressure in fan coil units.
Figure 1 Device top view.
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YO Airflow Pro Dual User guide v1.3
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Device sticker placed on the right side of the device enclosure contains information about model,
version, LoRaWAN region and 3 parameters important in case of device identification and
configuration:
-DEV EUI: 64-bit unique device identifier in a LoRaWAN network,
-DEV ADDR: address required to connect via ABP activation type to LoRaWAN,
-BLE MAC: bluetooth physical address.
Figure 2 Device label.
Physical interfaces
LEDs
YO Airflow Pro Dual communicates its current behaviour to the user by RGBW LED placed on the
top.
DIODE STATUES INTERPRETATION
BEHAVIOUR
COLOUR
DEVICE STATUS
Single flash
Green
General: device is working correctly (power and memory).
Single flash
Red
General: device is working incorrectly (power and memory).
LoRaWAN communication: failed to receive an
acknowledgement from LoRaWAN Server within specified
timeout.
Single flash
White
LoRaWAN communication: LoRaWAN frame sent \
confirmation from LoRaWAN Server after receiving the frame.
Slow flashing
Blue
BLE communication: connection to the device via BLE
(configuration).
Rapid flashing
Blue
LoRaWAN communication: connecting to LoRaWAN network.
Buttons
YO Airflow Pro Dual is equipped with one reset button inside the device on the PCB board next to
the RGBW LED diode.
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YO Airflow Pro Dual User guide v1.3
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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)
Enclosure material
ABS
Level of protection
IP67
Weight
307 g
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Operating conditions
OPERATING CONDITIONS
Temperature
0° to 70°C
Humidity
0 to 90%
Placement
Indoor use
Power supply
3 x LR6 (AA) battery (3 x 1,5 V)
Power consumption
Maximum 120 mA DC (4,5 V DC)
Measured values
MEASUREMENT RANGES
Parameter
Measuring range
Accuracy
Differential pressure
-500 Pa to 500 Pa
0,1 Pa + 3% reading
(temperature dependent)
Temperature (internal)
-40°C to 125°C
±0,2°C (from 5°C to 60°C )
Relative humidity (internal)
0% to 100%
±2% (at 20%RH to 80% RH)
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.
Figure 4 Internal temperature monitoring chart.
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Figure 5 Internal humidity monitoring chart.
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.
Figure 6 Battery voltage chart.
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Differential pressure
Differential pressure is measured by two separate sensors. One of them provides information about
air pressure before the filter; the second measures air pressure after the filter. Measurements inform
users about airflow and air quality.
Figure 7 Example chart of differential pressure on first sensor.
Figure 8 Example chart of differential pressure on second sensor.
Figure 9 Example chart compared differential pressure of both sensors.
Figure 10 Example chart of differential pressure change in [%]
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YO Airflow Pro Dual User guide v1.3
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Installation
Package contents
1. Device (without batteries).
2. Warranty card.
3. Silicon tubes
4. Brackets or pitot tubes (sold separately).
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. Remember
that batteries used to power the device must be treated at a specialized
treatment facility.
Remember about possible electrostatic discharge when replacing battery,
connecting input or doing some other operations near inside electronics.
Be careful while handling the device – dropping it may cause damage that will
affect the sensors and other electronics inside.
When installing the device on the wall remember to wear adequate protective
equipment.
To maintain the level of protection device cover screws must be properly
tightened. Device shouldn’t be used without cover.
Any actions inside the device's enclosure (excluding replacing batteries) must
be performed by trained personnel only.
Clean the device only with damp cloth.
Device is intended for outdoor and indoor use. Make sure that device is not
exposed for long term UV rays and in an environment in the immediate
vicinity of water which may flood the device
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