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Page 5
This guide is for the installation of the Isodrive motor system after the canopy/rangehood has been mounted
on the wall or ceiling. (Refer to canopy/rangehood 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 250mm ex duct, you should attain
up to 3200m
3
/hr depending on the ducting installation. The use of a smaller than 250mm (ISD) pipe would
result in a loss of airow.
• Simple installation: mounts onto a 250mm 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 150W costing around the same as two 70W light globes to
run.
• 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 250mm (OSD) PVC pipe as the initial connection to the fan module.
The fan unit is supplied with a 250mm (OSD) PVC pipe, 250mm (ISD) exible duct. (See page 10 for installation
detail).
This fan is suitable for connection to multiple duct runs with a minimum inlet area of 22,000mm
2
. When
installing, 15 metres of 250mm exi ducting MUST be used and no more than 2 to 3 bends in the exi ducting.
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 3200 motor, recommended 4 to 5 metres of exi ducting.
NOTE: Although less than 4 to 5 metres will increase extraction power this may result in a higher air noise
level. Maximum duct length 15 metres (use 250mm ducting), however please be aware that increasing the
duct length above 5 metre will decrease airow. 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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