User Manual
Page 8
4. Installation
Roof Installation
Recommended duct length: 1600 motor — 5 to 6 metres.
Mount 150mm (ISD) rigid PVC pipe securely to beams, trusses or other appropriate structures: refer gure 1.
The pipe should be mounted vertically with the roof penetration being sealed using a Dektite or other appropriate
sealing membrane or device.
Ensure that the PVC pipe protrudes at least 50mm past the top of the Dektite, checking that the fan assembly
clears the roof cladding at upper edge, refer gure 1 – Roof Mount Option.
Pass power cord and plug through mounting ange and pipe, then out the slotted PVC pipe for connection to the
socket coming from the canopy/rangehood. Refer to gure 4.
Do not insert plug into socket outlet or switch on until installation has been completed. Fit fan module to pipe and
x in position using side locking screw.
Certain external installation congurations may cause audible levels of noise to be heard due to the air being
expelled from the motor. To minimize external noise disturbance you can use between 6 to 10 metres of SteelFlex
™
duct to place the Isodrive motor in an appropriate position.
Please be aware that the 1600 motor is capable of expelling air at 1600m
3
/hr.
For more information on environmental noise limit and conditions please contact your local Council. We have a list
of experienced installers available on the Schweigen website.
Do not install the SteelFlex
™
in a straight line and minimum of two gentle bends in the ducts is required.