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Page 5
2. Your Safety
This guide is for the installation of the motor used in the Isodrive systems after the canopy/rangehood has
been mounted on the wall or ceiling. (Refer to canopy/rangehood unit installation manual).
NOTE: All PVC pipe and SteelFlex
™
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 a single 250mm SteelFlex
™
duct, you
should attain up to 3200m
3
/hr depending on the ducting installation. The use of a smaller than
250mm ducting would result in a loss of airow.
• Simple installation: The motor 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, chemical or storm damage etc. (see warranty card for more information).
General Notes on Installation and Use
This fan unit is designed to be installed using 250mm (ISD) PVC pipe as the initial connection duct to the fan
module, and is supplied with a 250mm (ISD) PVC pipe and 250mm (ISD) SteelFlex
™
(see page 17 for installation
details).
This fan is suitable for connection to multiple duct runs with a minimum inlet area of 22,000mm
2
. When
installing, maximum 8 metres of the 250mm SteelFlex
™
ducting MUST be used and no more than 2 to 3 bends in
the ducting. Where possible SteelFlex
™
ducting must be extended suciently to present a smooth air passage
with bends of at least the radius of twice the diameter of the duct. Excessive bends in the ducting will
compromised extraction.
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 your warranty.
NOTE: Fan module and SteelFlex
™
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 Schweigen SteelFlex
™
Safety Duct’.
Recommended Installation Distance
Isodrive 3200 motor, recommended 4 to 6 metres of SteelFlex
™
ducting and with at least two bends.
NOTE: Although less than 4 to 5 metres will increase extraction power this may result in a higher air noise
level. Maximum duct length 8 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.
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