16
Installation
6005044_0 – 04.12.2019
3.5.8
Connect exhaust air ducting (with exhausted
air and hybrid operation)
Extracted air mode without BackFlow technology
The BackFlow port is not used. When connecting a
flexible hose, it is possible to use a tight-fitting pipe as an
intermediate piece.
☞
Establish a chamfer on the inside of the exhaust air
ducting.
☞
Fit the exhaust air ducting directly onto the outlet in the
fan housing from above.
Extracted air mode with BackFlow technology
The BackFlow port is used.
D
“3.5.6 Fit the BackFlow port” (page 14).
1.
2.
☞
Fit the exhaust air ducting onto the BackFlow port from
above.
☞
Seal the transition between the exhaust air ducting and
the BackFlow port with sealing tape (accessory).
Hybrid mode
☞
Fit the exhaust air ducting onto the collar of the hybrid
filter from above.
All variants
☞
Ensure that the exhaust air duct is correctly fitted.
Summary of Contents for BKH 120 FO
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