User's Manual

Page 13
5. Back Draft Shutter System
Figure 5
Mount shutter system as close to
Isodrive fan as practicable
Direction of
airow
Direction of
airow
To fan
Flexi duct
Flexi duct
Use duct tape to secure exi
duct to shutter system
In line shutter system
Back Draft Shutter System for 150mm Ducting
This back draft shutter suitable for Isodrive 650 motor only.
Air ow
IMPORANT
If shutter system is mounted in the
horizontal position, shutter shaft
should be vertical.
Part number: 150mm in line BDSS.