Aereco DXR 230 EXCELLENCE, Installation And Maintenance Instruction, Page: 22 / 36

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TF6089_B Aereco S.A.
Replacement
1. Ensure that the new (clean) filters are positioned in the right order.
- G4 filters: the inscription “dust air side” on the filter must face the incoming air.
- F7 filter: the arrow on the filter must follow the supply air path.
2. Ensure that the new (clean) filters are firmly pushed back into their slots.
3. Replace the access hatches with 2 screws.
4. Switch on the unit.
7. TROUBLESHOOTING
Faults Causes Actions
Condensate leaks or water noise
in the heat exchanger
Poor condensate evacuation
Make sure the siphon has been installed properly (see INSTALLATION).
If necessary, unblock the condensate evacuation duct
Poor condensate evacuation
(Using a lift pump)
If the optional lift pump is installed, make sure it is correctly working according pump’s manual.
Low airflow levels at grilles Network leaks Inspect the aeraulic network and sealing.
Cold incoming air supply
Bypass open
- Make sure the bypass is in good condition and the motor is operating properly.
- Re-start the DXR unit by disconnecting it during 30 seconds from power.
Defrosting default
- Make sure the airflow rate is not too low.
- Check the unobstructed passage of air in the defrosting
The motors are not working
Power supply Make sure the DXR Unit is connected to the main electrical board.
Control unit is not connected
to main unit
- Make sure interface is connected to the unit
- Make sure the DX Hub is connected to the unit
- Make sure the MCP125 is connected to the unit
The motors are running too fast
Aeraulic network not connected Connect the network
Pressure loss or major leakage on the
network - Improve the network installation, use the recommended grilles and roof exhausts
- Be sure to respect the recommendations of installation
Too high number of extraction grille Check the operating limits
Filters are clogged Make sure filters have been changed when system asked for it.
Heat exchanger is frozen
(Using a defrosting)
- Make sure the defrosting is connected to the unit and to the main.
- Make sure the defrosting is taken into account in the parameters of the DXR Unit user's interface.
- Make sure the manual reset of the defrosting has not been triggered. In case it has been triggered,
check the unobstructed passage of the air near the defrosting before resetting the security.
Interface is turned off - Disconnect the DXR Unit and wait 2 or 3 min before connecting it again (reset of the interface).
Filters are clogging too fast Filters are placed in the wrong way
Make sure filters are placed in the right way as explained in the “Installation and maintenance
instructions”.
The system makes noise
of vibrations
The Unit is fixed in the wrong way Make sure the system is fixed as explained in the recommendations of installation