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Table of Contents
1. Welcome _____________________________________________________________________________________ 2
2. Your Safety
Warning _______________________________________________________________________________________ 4
Before Installation ______________________________________________________________________________ 4
Electrical Cord __________________________________________________________________________________ 4
3. General
Motor Features ________________________________________________________________________________ 5
General Notes on Installation and Use ____________________________________________________________ 5
Recommended Installation Distance _____________________________________________________________ 5
Minimum Mounting Height ______________________________________________________________________ 6
Avoidance of Back Flow _________________________________________________________________________ 6
Safety of Children ______________________________________________________________________________ 6
Replacement of supply cord _____________________________________________________________________ 6
Why Flexi-duct _________________________________________________________________________________ 6
4. Roof Installation
1. Roof Installation _____________________________________________________________________________ 7
2. Eaves Installation ____________________________________________________________________________ 9
3. Wall Installation ______________________________________________________________________________ 10
BR522 and DVK 500 dual vent system Installation _________________________________________ 11
5. Back Draft Shutter System
Back Draft Shutter System Futment to Bell-mouth Adaptor ________________________________________ 12
6. Flexible Ducting
Flexible Ducting ________________________________________________________________________________ 13
Shallow Roof Space ____________________________________________________________________________ 14
7. Maintenance
Roof Restoration or Cleaning ____________________________________________________________________ 16
8. Measurements
Vent __________________________________________________________________________________________ 17
BR500 Motor __________________________________________________________________________________ 18
9. Warranty / Disclaimer _______________________________________________________________________ 19
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