Lunos 5/-EC-FK 90, Installation Manual, Page: 24 / 28

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In plastic housing
5.5
Disengage the nozzle with non-return valve by turning, re-engage in the correct position
In fire protection housing
5.6
Unscrew insert with non-return valve, turn it, screw it back on. (see Figure 5.7)
Reinsert the sound insulation!
5.8
Use the screw accessories supplied to mount the mounting bracket to the housing.
5.9 Fasten the housing to the shaft wall using the mounting brackets!
(Screw accessories not included)
5.10
Connecting the flex tube.
Seal the connection flex tube - main pipe and flex tube - nozzle using sealing tape or clamps.
Flex tube for the 2nd room
5.11 Wrap the pipeline with PVC adhesive tape in the area of the wall duct.
Allow the end of the pipe to protrude approx. 10 cm as protection against penetrating dirt.
Fully mortar the flex tube.
Attention! Disconnect the power cable from the power supply!
5.12 Open cable grommet (H) (only cut off straight to ensure watertightness) and insert mains
cable (G).
Strip the mains cable (G) as shown.
Mount the mains connection terminal (I) according to the selected connection diagram (see 6
Electrical connection). For easier mounting, the mains connection terminal can be removed
by pressing it towards the housing wall.
5.13
Snap the mains connection terminal (I) into place!
Attention! Make sure that the mains cable is installed without mechanical tension!
If necessary, use a flexible cable!
Installing the plastic housing in lightweight walls
5.14
Take off the plaster protection cap (L)
((J) fastening element (4 pieces))
5.15 Position the housing from the inside in the wall cut-out (recommendation: 238 x 238mm)and
fix it to the fastening elements (J) using drywall screws.
5.16 Put the plaster protection cap back in place (L)!
If necessary, pinch off fastening elements (see Figure 5.17 (J)).
Do the plastering carefully! Leaks will lead to losses of air volume flow!
Tight fit of the installation housing is only achieved through the shaft wall and plaster!
5 Installation - Fan Insert and Decor Screen
Mounting the fan insert
5.17
Remove the plaster protection cap.
Snap the fan insert firmly into place and screw on the mains connection area (M)
Attention: Do not operate the one-room fan without sound insulation
Mounting the decor screen
5.18
Clear the screw openings (UP) in the grille frame (P) (they are marked "UP")
Fasten the grille frame to the fan housing using the screws supplied. Insert the filter.
Put on the front cover and snap it into place.