Use and Care Manual
www.ventilation-system.com
18
TwinFresh Expert
3. Pull the cord to remove the cartridge from the air duct.
TwinFresh Expert RA1-50 TwinFresh Expert Duo RA1-30
Clean the filters as they get clogged, but not less than once in three months.
• After the set filter replacement periodicity (90 days) has expired the Filter indicator starts glowing.
• For the TwinFresh Expert RA-50 unit the filter timer is reset once the cartridge socket is disconnected from the circuit board.
• Reset the filter timer for the TwinFresh Expert Duo RA-30 unit by turning the DIP switch 8 off and back on again.
• Wash the filters and let them get dry. Install dry filters in the air duct.
• Vacuum cleaning is allowed.
• The filter rated service life is 3 years.
• For new filters contact the Seller.
Some dust may accumulate on the heat exchanger block even in
case of regular maintenance of the filters.
• Clean the regenerator regularly to ensure its high heat recovery
efficiency.
• Vacuum clean the regenerator not less than once a year.
4. Replacement of the remote control battery (if necessary).
In case of a long operation of the remote control the battery must
be replaced.
No response of the unit for pressing the remote control buttons
indicates the need to replace the battery.
Battery type: CR2025.
Remove the holder with the battery from the lower part of the
remote control.
Replace the battery and install the holder with a new battery
back to the remote control.
+
CR2025
3V
+
CR2025
3V
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