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Page 5
This guide is for the installation of the Isodrive motor system after the canopy/rangehood or bathroom
extraction grill has been mounted on the wall or ceiling. (Refer to canopy/rangehood or bathroom extraction
unit installation manual).
NOTE: All PVC pipe and exi ducting measurements are referring to inside measurements, unless otherwise
mentioned.
Motor Features
• Roof and wall mounting with IPX4 degree of weather protection.
• Super quiet, long vane, backward curved centrifugal fan.
• Airow is dependant on installation and the ducting used. Using single 200mm ex duct, you should attain
up to 900m
3
/hr and depending on the ducting installation. The use of a smaller than 150mm (ISD) pipe
would result in a loss of airow.
• Simple installation: mounts onto a 150mm PVC pipe for ultimate strength and allows for easy Dektite roof
sealing.
• Industrial quality motor and fan made in Germany and rated at 40,000 hours.
• Motor is a high eciency PSC type and rated at 57W.
• WARRANTY 10 YEARS return to manufacturer. Covers faulty manufacturing or components. It does not
cover normal wear and tear.
General Notes on Installation and Use
This fan unit is designed to be installed using 150mm (ISD) PVC pipe as the initial connection duct to the fan
module, and is supplied with a 150mm (ISD) PVC pipe to 200mm (ISD) exible duct bell-mouth adaptor.
This fan is suitable for connection to multiple duct runs with a minimum inlet area of 22,000mm
2
and length up
to 15 metres maximum (check with supplier if longer duct length required). Where possible exible ducting must
be extended suciently to present a smooth air passage with bends of at least the radii of twice the diameter of
the duct.
WARNING: The rangehood must not be ducted into a wall cavity or a ceiling space, where a build up of grease
can occur and become a potential re risk. This will void warranty.
NOTE: Fan module and dual foil exi-duct are acoustically matched. Use of semi-rigid or rigid ducting will result
in increased noise and may void warranty. See installation instruction notes ‘Why exi-duct’.
Recommended Installation Distance
Isodrive 900 motor, recommended 4 to 5 metres of exi ducting.
NOTE: Although less than 4 to 5 metres will increase extraction power this will result in higher noise level.
Maximum duct length 15 metres. Check with supplier if longer duct length is required. Do not reduce the duct
size at any time and avoid sharp bends.
2. Your Safety
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