Use and Care Manual
www.ventilation-system.com
11
7. Insert the cartridge into the air duct as figured below. Be sure the pointer is directed upwards. Then fix the wire with the protruding
clamp and connect the socket connector to the circuit board.
Insert the wires under the
cable clamp and connect the
socket connector to the circuit
board.
The mark must be directed
upwards.
8. Install the front part of the indoor unit.
TwinFresh Expert RA1-50 TwinFresh Expert Duo RA1-30
9. Insert the sound absorbing layer into the air duct from the
outside.
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.
9. Install the sectional air flow separators from the outside.
Install a required quantity of the air flow separators in the air duct
until it bumps up the cartridge.
Mark the last air flow separator to be flush with the air duct face,
remove it from the air duct and cut the excessive part of the last
air flow separator.
Tighter fixation is provided if the air flow separator protrudes to
some distance.
Install the adjusted air flow separators to the air duct.
10. Install the outer ventilation hood. The mounting sequence of the outer ventilation hood is described in the installation instruction
for the ventilation hood.
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