Page 12
Figure 4
Flat Roof Installation
Flat roof mounting using optional mounting flange*.
Engage locking
screws in holes
Seal 3 holes in
stepped surface
Seal between mounting
flange and cover
Up-stand and
capping
Power supply cord
passing through
pipe slots
NOTE:
Cut 150mm PVC storm
water pipe to length and reslot
ducting end. Ensure that fan end
locking holes remain
200mm SteelFlex
™
Ducting
Seal top edge of flange
50
Protrusion of pipe above
mounting flange
Bond flange to pipe using
silicone, urethane or type ‘N’
PVC solvent cement
Optional mounting flange
P40113MF*
Roof Cladding
900 motor
IMPORTANT
For more SteelFlex
™
ducting instructions, refer page 17. Shutter assembly for 1600 motor is not
shown in the diagram. Weather shield (for 1600 motor only) should be installed to prevent rain/
water entering the unit.
*Optional wall mounting flange (P40113MF) is available
from Schweigen, please contact 1300 881 693.
4. Installation
