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Kaden Installer's Manual
Ducted Gas Heaters
2.3.4 Internal Model Flueing Instructions
General
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All flues must be installed in accordance with AS/NZS 5601.
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Horizontal flues must have a minimum rise of 20mm per 1m run.
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Horizontal flues terminating on a wall must be at least 300mm above ground level.
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An external flue terminal clearance to an opening in a building shall be no less than 1000mm in the vertical
direction and 300mm in the horizontal direction.
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Systems with both vertical and horizontal flue runs should be treated as all horizontal.
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1 x 45º bend is equivalent to 0.5 x 90º bend (i.e. 2 x 45º bends = 1 x 90º bend).
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Provide adequate support to flue sections (e.g. saddles / strapping).
100mm non-corrosive metal flue.
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Requires a 100mm round single or twin wall non-corrosive metal flue, suitably terminated.
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All flues must have a bolted flue sleeve connection to allow for repairs and/or removal of the appliance.
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Twin Wall flue - maximum flue length of 6m.
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Single Wall flue - maximum flue length of 2m.
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Up to 4 x 90º elbows are permitted with the same length requirements specified above.
2.3.5 Kaden Remote Flue Terminal
In specific installations, for example under the floor, it is recommended that a remote terminal be used to terminate
the flue on the outside wall of the building.
Please refer to instructions supplied with a Remote Flue Terminal (KADEN PART NO. 1621343).
Diagram 4 depicts a typical KUN series heater underfloor configuration.
Gas Inlet
Control cabel access
For single skin flue A = 2m
For twin skin flue A = 6m
14
House floor
Flue outlet
Minimum 20mm rise per 1m run
Power lead
Level concrete base
A = Maximum flue length
Diagram 4
Remote flue terminal
Wall
300mm
Minimum
Ground level
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