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Page 18
6. Installation
Ducting
Please DO NOT crush or kink the ducting.
1. Crushed or kinked ducting creates
sharp corners that creates turbulence.
This reduces the size and eciency
of the ducting, lowers extraction and
may cause excessive noise.
2. Sweeping curves and taut ducting
reduces resistance and turbulence.
The airow and extraction will be
more ecient and stronger.
Back Draft Fins (For applicable models)
The supplied ducting has been manufactured with an allowance for the back draft ns to operate without
hindrance. It is the smooth extended end of the ducting.
When installing Back Draft Fins, please ensure that you insert the Back Draft Fins onto the back draft base,
which are attached to the top of the motor outlet before installation. Then place the smooth extended edge
of the ducting into the back draft base and x securely.
Should your Back Draft Fins get stuck, this is not a warranty issue.
Back Draft Fins Back Draft Fins
open position
Back Draft Fins
ducting
Allowance for
Back Draft Fins
Back Draft Base
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