Installation Guide - 2

Page 15
6. Flexible Duct
Shallow Roof Space
In shallow roof spaces, do not crush or kink exible ducting, as it will reduce air ow severely. 90
degree curve made of PVC or galvanise can be used as a substitute for the bend, refer to gure 5.
Figure 5
Figure 6
90 degree curve PVC
or galvanise curve
Important Note
Please do not crush or kink exible ducting, as it will reduce air ow and may cause noise to occur
through the system. Ducting needs to be kept taut at all times.