Vents TwinFresh Style Wi-Fi User Manual page 13

10. Install the cartridge or the regenerator unit and the fan unit into the air duct as figured below and connect the connector to the board.
Insert the sound-absorbing layer in the air duct. Roll the layer of the sound absorbing material to match the air duct diameter. The
protecting paper layer must be outside. Insert the sound absorbing roll into the cartridge against stop. Make a mark at the end of the air
duct, remove the material and cut the roll as marked. Insert the ready sound absorbing roll into the air duct.
11. Install the front panel of the indoor unit.
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