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TF6746_A_NOT_DXA230_REFERENCE
Aereco S.A.
5.2. DXA HOME PAGE
1) HOME
The Home page gives a clear overview of the system :
-
current mode of operation
-
direct way to access
2) MAINTENANCE
To get in this section, the following mentions must be used
- Wifi connection
- to select the the Wifi / mode :
• AP mode (Access Point mode). The DXA unit provides its own Wifi network to be accessed with a
smart phone, a laptop, or a touch pad.
• ST mode (Station mode). The DXA unit is connected on the home internet box to access internet
This menu allows :
- To enable or disable the DXA Wi-Fi,
- To change the name of the DXA Wi-Fi (named DXA when the DXA unit is delivered),
- To change the Wi-Fi password (12345678 when the DXA unit is delivered).
- System parameters
This menu allows to access 4 advanced tools.
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Synoptic. This advanced tool allows to have an overview of the whole system, with all
parameters displayed. It’s also possible, with the set BUS values menu, to take under
control all driven parts (bypass, fan motors, defrosting unit).
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Synoptic data charts. This tool allows to display the evolution of the device parameters.
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Configuration wizard. The wizard allows to proceed to the DXA settings. Before starting
to run the DXA, make sure that all the ductwork have been correctly done. The Modbus
communication cable supplies the 2I2O module (if pump or preheater) and the smart
interface (if smart interface).
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Reset. This erase all configuration data kept in memory. A new configuration setting by the
use of the wizard is required after a reset.
- Maintenance
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Filter clogging level
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Filter status. Reset filters each time filters are replaced
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Bypass
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Preheater
- Manufacturer access.
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K factor is use to adjust airflows. (K=113 for DXA)
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Filters clogging threshold allows to display a warning message
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Preheater set point is the target to drive the preheater. This target is the average value of
the 2 cold T° (1/2 x (outside airflow T° before heat Exc Inside airflow T° after heat
exchanger). This target is 2°C for the DXA when delivered by the factory.
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Preheater 1200W if 1 preheater (-20°C) / 2400W if 2 preheater (-38°C)
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Exterior T° set point fixes the minimal exterior T° to proceed free cooling (risk of
condensates outside of the ductwork if T° is too low) and if supply ductwork is not
insulated
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Interior T° set point to manage the bypass.
USER : 0aereco
PASSWORD : 0aereco123
