How can I connect the ducting to the Edel 200/270l so it is easily removable to allow access for maintenance?

When using rigid insulated ducting you can position the duct connections to allow for easy removal of the initial section. The below images show and example of this

Applicable models

Edel - EDL200UK-630RF, EDL270UK-630RF, EDL200UK-630, EDL270UK-630