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【 Installation guide】
Installation steps
‧ The product is recommended to be installed at a height of 80-150 cm (31.5-59 inches).
‧ Use the wall mount included in the box to install it on the wall, or install in a power box. The wall mount has
screw hole spacing (60mm and 84mm) suitable for power boxes in multiple countries, but the power box
must be installed horizontally as shown in Figure 1.
‧ Verify that the power supply and data lines are laid out according to specifications before installation
‧
As shown in Figure 2, install it on the wall mount and verify that all four buckles are installed and fixed.
‧
As shown in Figure 3, use a hexagonal screwdriver to fasten the M4 hex socket screws to complete the installation
【 Note】 Power source notice
This product uses a 9-24V DC power supply. AC power must be converted to the required power source or
use the specified power adapter . The output voltage Vout is the same with input voltage Vin. Output
voltage should be 12V when using a 12V power adapter.
Fig 1.
Fig 2.
Power on verification
‧ After the product has been installed, the power indicator lights up after the power is connected, and the air
quality indicator turns blue, which means the device is turning on at this time. If green or yellow appears, it
means that the device has completed booting and the current air quality status is displayed. If the power
indicator does not light up, please verify that the power cord is properly connected and that there is a
supply of power.
‧ Wireless model has Bluetooth and Wi-Fi functionality. Users can go to the iPhone app store or Android play
store to download the APP.
Enable smart control function
‧ Turn all the DIP switches up, press the multi-func. button then power on, release the button after the filter
health LED blinks, and confirm that the screen has changed successfully after restarting, and then restore the
DIP switches as previously stated.
DIP switches
1
2
3
4
5
6
7
8
‧ In RS485 control mode, if the equipment is successfully connected, the equipment status indicator is
static on/off . If it is not correctly connected, the equipment status indicator will keep blinking.
‧ The installer can verify ventilation volume by switching to manual mode and corresponding fan speed.
‧ After a period, the health of the filter will return to zero. At this time, it is recommended to replace the filter.
After the replacement, you can press and hold the filter reset button on the back of the product to reset.
【Wiring diagram – Connect the equipment via RS485】
Connect A1 and B1 with the equipment's A and B, the recommended wire to use is 22AWG Shielded Foil
Twisted-Pair (SFTP)
Fan speed levels
Wiring diagram
6
7
6
7
Unlimited
3 levels
2 levels
Dip switches
Delta ERV "VEB250AT3"
Connect multiple equipment
‧ The product can connect to the 4 same equipment via RS485 in series through daisy chain - linear
topology. At this time, each device will follow the same control mode and fan speed level.
【 Note】
To connect multiple equipment, you must set different Modbus slave address. Please reference the
user manual of that equipment to config slave address.
【Wiring diagram – Connect the equipment via digital output】
【 Note】
•
DIP switches pin8 should be turned ON
•
External relay requirement : AC250V resistive, and 12VDC SPDT, 15A
GND
1
Fig 3.
】
【
Note
The product supports control of energy recovery ventilation and inline fan. Regarding the compatibility
of equipment brands and models, please contact your dealer and local sales for technical evaluation
before purchasing. No matter RS485 or digital output, control logic is fixed for smart ventilation
control, PLEASE DON'T TO USE FOR OTHER APPLICATIONS
【Note】
Not following instructions may result in damage to the product or other items.
Control interface
Using right connectors and ports
‧ Do not force the connector into the port. Check the port for foreign objects. If the connectors and ports
6
7
6
7
8
do not fit easily, it may be because they do not match each other. Make sure that the connector
matches the port, and that the connector is aligned to the correct location corresponding to the port.
‧ Insert the wrong pin may result in damage to the product, it will not be responsible for the product
warranty.
1 level
RS485
Prohibit live line operation
When the installer configures DIP switches and terminal connector, be sure to power off before execution
and then power on after.
Cleaning the exterior of UNOnext
To clean the product, unplug the power cord and all wiring.
Wipe with a soft, cotton-free cloth. Avoid moisture at any openings on the device body. Please do not spray
liquids directly onto it.
Do not inject contaminants
Do not directly inject contaminants containing gases or particulate matter. Exposure to excessive
12V GND B A
contaminants can permanently damage the sensor.
AI2
NO4
NO3
B1
Vin
AI1
NO2 NO1
B2
A2
A1
2
3
4
5
6
7
8
9
10
11
12 13
1 level output (ON/OFF)
Relay
-
NO1
12VDC
ON/OFF
+
AC250V
COM
or/and
(depend on equipment)
3 level output (FAN speed)
NO4
Relay
High fan
-
speed
12VDC
COM
+
AC250V
NO3
-
Medium fan
12VDC
speed
+
COM
AC250V
-
NO2
12VDC
Low fan
+
AC250V
speed
COM
【Note】
Do not insert objects through the vents, which may be dangerous and damaging.
Do not repair this product yourself
The product does not have components that users can repair themselves. Do not attempt to open it. Once the
warranty sticker breaks, the warranty is void.
【APP and website links】
The product is equipped with wireless technology and can use an APP and website to monitor the air
quality status, which can be obtained using the following QR codes. (For the wireless model only). Please
go to the official website to learn about how to use the product.
Vout
iOS APP
Android APP
14
【Place of origin】
This product is made in Taiwan. The place of origin is No. 256, Yangguang St., Neihu Dist., Taipei City,
Taiwan (R.O.C.).
4
Wall mount, NTC thermistor (Optional)
5
Connectivity
6
Measurement Range
0 - 50 ºC
0-100% rH
400-10000 ppm
3
0-1000 ug/m
3
0-1000 ug/m
0-10000 lux
0-5000 ppb
0-500 ppm
0.5-10 ppm
0-30000 ppb
NTC10k Thermistor
Doc. & Resources
UNOweb
Accuracy
± 1ºC at 25 ºC and 50% rH
±5% at 25 ºC and 50% rH
±30 ppm ± 3%
0 - 100 ug/m
3
± 10 ug/m
3
3
± 10%
100 - 1000 ug/m
3
± 25 ug/m
3
0 - 100 ug/m
± 2
5%
100 - 1000 ug/m
3
For background ambient
light reference
± 15% at 20~50 ºC
± 20 ppm or ± 5%
0.01 ppm
± 15% in lab test (Ethanol)
± 0.3 ºC at 25 ºC and 50% rH
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