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INSTALLATION GUIDE
Isodrive 900
Under our policy of continuous product development,
product specications may change without notice.
Please refer to the online version of the manual for the
latest updates and specications.
www.schweigen.com.auRevision V4 11/05/22
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Welcome
Thank you for purchasing your new Schweigen Isodrive system.
To get the maximum output from this unit, please read through this guide before use and installation.
This guide contains important information on the correct use and maintenance of the unit, as well as important
safety notes. This will ensure your personal safety and the lasting value of your Isodrive system.
Please always retain your proof of purchase to aid in any warranty queries.
This appliance and its packaging are produced by processes that minimise waste and respect the environment.
Please help us to continue this eort to protect the environment by using the appliance eciently and dispose
of the packaging in a responsible manner.
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Index
1. Welcome _____________________________________________________________________________________2
2. Your Safety
Receiving your rangehood ______________________________________________________________________ 4
Before Installation ______________________________________________________________________________ 4
Electrical Cord __________________________________________________________________________________ 4
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
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Why Schweigen SteelFlex
3. Description
Isodrive Motor _________________________________________________________________________________ 7
Safety Duct __________________________________________________________ 6
4. Installation
Roof Installation _______________________________________________________________________________ 8
Wall Installation ________________________________________________________________________________ 10
Flat Roof Installation ___________________________________________________________________________ 12
Through Wall Installation for Isodrive 900 _______________________________________________ 13
Fan Unit Shutter Assembly for Isodrive 900 (Optional) _____________________________________ 14
5. Measurements
Measurements for Isodrive 900 ______________________________________________________ 15
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6. SteelFlex
SteelFlex
Assembling SteelFlex
Safety Duct
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Safety Ducting __________________________________________________________ 16
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Safety Duct ____________________________________________________ 17
Shallow Roof Space _______________________________________________________________ 18
Important Note __________________________________________________________________ 18
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Securing SteelFlex
Safety Duct ______________________________________________________ 19
7. Parts List
Parts List for Isodrive 900 ___________________________________________________________ 20
8. Maintenance
Roof Restoration or Cleaning ________________________________________________________ 22
9. Warranty/Disclaimer ________________________________________________________________________ 23
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2. Your Safety
RECEIVING YOUR RANGEHOOD
Please read this section thoroughly before attempting to operate the appliance.
Inspect your product upon receipt. Any damage or defects MUST be reported
within 48 hours, or no claim will be recognised.
DO NOT INSTALL THIS APPLIANCE IF YOU FIND IT DAMAGED.
If this product is installed damaged, the supplier, nor the retailer, will be responsible
for the costs associated with the repair, replacement, removal or re-installation of
the appliances.
This appliance is not intended for use by person/s (including children) with reduced physical, sensory or
mental capabilities, or lack of experience and/or knowledge. Unless the person has been given supervision
or instruction concerning the use of the appliance by a person responsible for their safety. Children should be
supervised to ensure that they do not play with the appliance, it is not a toy.
Do not install Isodrive motor to a non-Schweigen and/or non-silent rangehood. If you fail to do so, your
warranty will be voided.
The manufacturer declines all responsibility in case of failure to adopt proper safety measures.
Ensure that the location in which this appliance is installed, has good and permanent ventilation.
Please consult local laws and regulations and install in accordance.
Use an electrical connector with earth that is correct for your location.
Check that the voltage in your area corresponds to the appliance as indicated on the rating label.
Before Installation
We recommend this appliance to be installed or repaired by an experienced Home Appliances technician.
Please see our website www.schweigen.com.au for experienced installers.
It is dangerous to modify any part of this appliance. Modication of any kind, will immediately void the warranty.
Electrical Cord
Ensure the supply cord is not exposed to heat, chemicals or sharp objects. If the supply cord is damaged, it must be
replaced by the manufacturer, service agent or a similarly qualied person in order to avoid a hazard. The power
supply cord connection MUST BE installed in such a way that access is easy in case of emergency.
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2. Your Safety
This guide is for the installation of the motor used in the Isodrive systems 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).
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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.
• Patented anti water intrusion system.
• Super quiet, long vane, backward curved centrifugal fan.
• Airow is dependant on installation and the ducting used. Using a single 200mm SteelFlex
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should attain up to 900m
/hr depending on the ducting installation. The use of a smaller than 200mm
ducting would result in a loss of airow.
• Simple installation: The motor 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, chemical or storm damage etc. (see warranty card for more information).
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duct, you
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
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module, and is supplied with a 150mm (ISD) PVC pipe to 200mm SteelFlex
This fan is suitable for connection to ducting runs with a minimum inlet area of 22,000mm
8 metres maximum (check with supplier if longer duct length required). SteelFlex
duct bell-mouth adaptor.
2
and length up to
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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.
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NOTE: Fan module and Steelex
in increased noise and may void warranty. See installation instruction notes ‘Why Schweigen SteelFlex
duct are acoustically matched. Use of semi-rigid or rigid ducting will result
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Safety Duct’.
Recommended Installation Distance
Isodrive 900 motor, recommended 4 metres of SteelFlex™ ducting and with at least two bends.
NOTE: Installation closer than this distance may result in higher noise level. Maximum duct length is 8 metres.
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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2. Your Safety
Minimum Mounting Height
This fan unit is intended for mounting at a minimum height of 2.1 metres (measured to the lower part of the
fan impeller) above a oor or the ground.
Avoidance of Back Flow
Care should be taken to avoid the back ow of gases into the room from the open ue of gas or other open re
appliances.
Safety of Children
This fan is not intended for use by young children or inrm persons without supervision.
Replacement of Supply Cord
If the supply cord is damaged, it must be replaced by a service agent or suitably qualied person in order to
avoid a hazard.
Why Schweigen SteelFlex™ Safety Duct
Schweigen SteelFlex™ is an ultra-strong and exible high-performance safety ducting made
®
of Shirikon Firemesh
Schweigen – the Silent Rangehood specialists, for quiet and ecient high-volume transfers
of temperature-sensitive air. Engineered to enhance the health and safety of your home,
Schweigen SteelFlex
It is reproof, pest and crush proof with a treated surface that prevents the build-up of grease
and bacteria.
Schweigen’s unique Isodrive system works in the opposite way to conventional rangehoods, pulling air through
the hood and acoustically matched ducting, producing almost silent high volume ow. The use of a complete
rigid or semi-rigid ducting system will allow an organ piping eect to occur; like a didgeridoo where a noise is
produced at one end of a hollow rigid pipe and the noise is amplied out the other.
– a tri-layer tear-resistant UV-treated sleeve. Both are developed by
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is antimicrobial treated, thermally insulated and acoustically dampened.
The Isodrive system places the noise outside the house.
WARNING: Installation without the use of at least the minimum recommended length of acoustically matched
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SteelFlex
to Schweigen. Call outs relating to incorrect installation will result in a service fee direct to the customer.
Schweigen takes no responsibility for problems caused by faulty installation, this may void warranty.
An experienced installer list can be obtained from Schweigen website www.schweigen.com.au or by
calling 1300 881 693.
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in the system will void performance expectations. Any installation problem must be reported
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NOTE
For more SteelFlex™ ducting instructions, refer page 16.
3. Description
Isodrive Motor
Included in the box:
1. Isodrive 900 motor (280W x 200H mm approx.)
Approx. 3 metre, 10amp cable and standard plug
2. Fire resistant 150mm (160mm outside dimension)
PVC riser pipe
3. SteelFlex
200mm (210mm outside dimension) diameter
4. Bell-mouth adapter ring
200mm duct to 150mm riser
5. 2 x Steel ring clamps
(for attaching ducting to rangehood and motor)
6. 6 x 20mm self-drilling button head screws
Not included in the box:
• Roof seal kit / Dektite
• Support straps for poly pipe which connects to the
roof truss
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safety ducting. Approx. 4 metres,
1
3 4
5
2
6
• Aluminium foil tape
• Wall Cover Plate (wall mount only) – optional
Part number P1108
• Mounting Flange (wall mount only) – optional
Part number P40113MF
• Backdraft Shutter – optional
Part number 200MMBDSSBUILD
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4. Installation
Roof Installation
Recommended duct length: 900 motor — minimum 4 metres.
Mount 150mm (ISD) rigid PVC pipe securely to beams, trusses or other appropriate structures: refer gure 1.
The pipe should be mounted vertically with the roof penetration being sealed using a Dektite or other appropriate
sealing membrane or device.
Ensure that the PVC pipe protrudes a minimum of 50mm past the top of the Dektite, checking that the fan
assembly clears the roof cladding at upper edge as shown in gure 1 — Roof Mount Option.
Pass power cord and plug through mounting ange and pipe, then out the slotted PVC pipe for connection to the
socket coming from the canopy/rangehood. Refer to gure 4.
Do not insert plug into socket outlet or switch on until installation has been completed. Fit fan module to pipe and
x in position using side locking screw.
Certain external installation congurations may cause audible levels of noise to be heard due to the air being
expelled from the motor. To minimize external noise disturbance you can use between 4 to 8 metres of SteelFlex
duct to place the Isodrive motor in an appropriate position.
3
Please be aware that the 900 motor is capable of expelling air at 900m
/hr.
For more information on environmental noise limit and conditions please contact your local Council. We have a list
of experienced installers available on the Schweigen website.
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Do not install the SteelFlex
in a straight line and minimum of two gentle bends in the ducts is required.
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Backdraft shutter (optional)
Power Cord
150mm PVC Pipe
(Locking holes fan end)
Dektite
900 motor
50mm
4. Installation
Pipe protrusion above dektite
Fix fan module using side
locking screw
Bell-mouth Adaptor
NOTE: Prevent any cord bunching by
pulling cord through from plug top end
Connect to power supply
Figure 1: Roof mount option
Fit side supports to locate pipe
Strap to supports
Connect to
rangehood
NOTE: Minimum ducting length
4 metres. Fully extend SteelFlex
ducting, cut to length.
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IMPORTANT
For more SteelFlex™ ducting instructions, refer page 16.
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4. Installation
Wall Installation
This type of installation is similar to roof mounting, ensuring that the pipe extends at least 50mm past the wall
surface refer gure 2. If the pipe length is shortened, reproduce the power cord exit slot on the inside of the
wall.
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NOTE: By decreasing the length of the SteelFlex
there will be an increase in airow and noise levels as a result. This increase in airow can cause movement of
air to be heard through the system and inhibit the system to run silently.
duct from which specied (refer to installation instructions)
Optional Mounting Flange
(P40113MF*)
Optional Backdraft Shutter
900
motor
Locking screws to be fully
tightened engaging in holes
From outside face of ange to end of pipe (or
wall if mounting ange not used)
50
Wall
150mm PVC Stormwater Pipe
Locking screws
Locking holes at 4 and 10 o’clock
Wall Optional
Fitment Pipe
50
Seal with silicone or
urethane
*Optional wall mounting ange (P40113MF) is available
from Schweigen, please contact 1300 881 693.
Fill gap between pipe
and wall or t second
wall mount ange if
required
Power cord to
240V supply
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Figure 2: Wall installation
IMPORTANT
For more SteelFlex™ ducting instructions, refer page 16.
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SteelFlex
200mm ducting
Min 150mm long
150mm PVC pipe
Bell-mouth Adaptor
4. Installation
IMPORTANT: When
mounting pipe fan
locking holes to be in
outside end of pipe
(fan end)
Locking holes at
10 and 4 o’clock
900 motor
Min 50mm
Backdraft shutter
(optional)
NOTE: Ensure that power cord is fed through exit slot and
is not allowed to double back restricting fan inlet.
900 motor
Backdraft shutter
(optional)
Cord slots at bottom
(6 o’clock position)
NOTE: Prevent any cord
bunching by pulling cord
through from plug top end
Fix fan module using side locking
screw at 4 & 10 o’clock
Figure 3: Wall mount option
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4. Installation
Flat Roof Installation
Flat roof mounting using optional mounting ange*.
Engage locking
screws in holes
Backdraft shutter
(optional)
900 motor
Optional mounting ange
P40113MF*
Seal top edge of ange
Seal 3 holes in
stepped surface
Seal between mounting
ange and cover
Up-stand and
capping
Power supply cord
passing through
pipe slots
NOTE: Cut 150mm PVC storm
water pipe to length and reslot
ducting end. Ensure that fan end
locking holes remain
Protrusion of pipe above
50
mounting ange
Bond ange to pipe using
silicone, urethane or type ‘N’
PVC solvent cement
Dektite
Roof Cladding
200mm SteelFlex
Ducting
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*Optional wall mounting ange (P40113MF) is available
from Schweigen, please contact 1300 881 693.
Figure 4: Flat roof installation
IMPORTANT
For more SteelFlex™ ducting instructions, refer page 16.
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Through Wall Installation for Isodrive 900
Fan Unit
Optional Shutter Assembly
(200mm BDSS BUILD ASS)*
4. Installation
Ensure that power cable
passes through the cover
plate notched recess and is
clear of cut edges
Optional wall cover plate with
notch at bottom P1108*
Minimum pipe protrusion from
wall surface
Wall
47mm
Wall cover plate
(optional part)
Figure 5: Wall installation
Power cord
Slot in pipe at bottom (6 O’Clock)
*Optional parts are available from Schweigen, please contact 1300 881 693.
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4. Installation
Fan Unit Shutter Assembly for Isodrive 900 (Optional)
1. Assemble by tting shutter assembly into fan inlet shroud moulding, ensuring that attaching screws align
with holes. Alignment can be checked visually by folding in shutter aps.
2. Fully tighten both screws and re-check tment into holes.
3. Fit assembly to duct pipe as per installation instructions supplied.
Attaching screws
Attaching hole
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Inlet shroud moulding
Shutter Assembly
(optional)
NOTE: With through wall installations ap
shaft will be close to vertical
Figure 6: Shutter assembly
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5. Measurements
Measurements for Isodrive 900
198mm
515mm
Dektite
130mm
242mm
(Not to Scale)
270mm
160mm
50mm
50mm
160mm
Backdraft shutter
(optional)
Figure 7: Measurements for Isodrive 900
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6. SteelFlex™ Safety Duct
SteelFlex
SteelFlex™ safety ducting must be fully extended and cut to the required length upon installation. Maximum
fan performance will not be achieved unless the ducting is fully extended. Failure to fully extend ducting
results in a smaller air passage and lower airows. Incorrect installation may reduce airow or increase noise
levels. Call outs relating to incorrect installation will result in a service fee directed to the customer. Schweigen
will take no responsibility for problems caused by faulty installation. A list of experienced installers can be
obtained from the Schweigen website www.schweigen.com.au.
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Safety Ducting
900 motor
Please keep the SteelFlex™ ducting
taut, 4 metres in length with two
gentle bends.
NOTE: In shallow roof spaces extend
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SteelFlex
ducting horizontally
Figure 8: SteelFlex™ Safety Ducting
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6. SteelFlex™ Safety Duct
Assembling SteelFlex
SteelFlex™ safety duct must be secured to either the bell-mouth adapter ring or a 200mm mounting pipe.
Parts required:
1. SteelFlex
2. Steel ring clamp
3. Bell-mouth adapter ring 200mm duct to
150mm riser
4. 150mm PVC riser pipe
5. 20mm self-drilling button head screws
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safety ducting
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Safety Duct
1
3 4 5
2
1. Slide the steel ring clamp over the end of
the duct then insert the bell-mouth adapter
ring into the duct end
3. Slide the steel ring clamp back up and
tighten to secure the bell-mouth adapter
and the duct
2. Secure duct to the bell-mouth adapter at
regular intervals with 4 x 20mm button
head screws
x4
4. Attach the mounting pipe to the bell-mouth
adapter and secure with 1 x 20mm button
head screw
x1
Figure 9: Duct assembling
NOTE: Do not use duct tape to fasten the duct – the screws and hose clamp are adequate to secure the duct
to the bell-mouth adapter ring.
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6. SteelFlex™ Safety Duct
Shallow Roof Space
In shallow roof spaces, do not crush or kink SteelFlex™ ducting, as it will reduce air ow severely. 90 degree
curve made of PVC or galvanise can be used as a substitute for the bend, refer to gure 12.
90 degree curve PVC or
galvanise curve
Figure 10: Shallow roof space
Important Note
Please do not crush or kink SteelFlex™ ducting, as it will reduce air ow and may cause noise to occur through
the system. Ducting needs to be kept taut at all times.
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Figure 11: SteelFlex
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duct recommended installation
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6. SteelFlex™ Safety Duct
Securing SteelFlex
SteelFlex™ safety duct must be installed with supports at maximum intervals of 1.5 metres. SteelFlex™ safety
ductwork can be supported by using good quality gaer or aluminium foil tape. Provided that it does not
restrict the internal diameter of the ducting. Ducting installed looped over hanging beams should be installed
in such a manner as to ensure the changes of direction are gradual. Support of the ducting with the use of
hangers may be required, see option 2.
NOTE: Ducting should be kept taut at all times.
Option 1
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Secure the SteelFlex
duct to the beam
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Safety Duct
Aluminium foil
tape
Option 2
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Support SteelFlex
duct by using hangers.
NOTE: Care shall be
taken to minimize
sagging or snaking
of the duct between
supports.
Hanger
Aluminium foil tape
Figure 12: Securing SteelFlex™ Safety Duct
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7. Parts List
Parts List for Isodrive 900
3
11
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12
10
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Parts List for Isodrive 900
7. Parts List
Number Part
Number
1 P40100 Terminal Block Cover 1
2 P40121 Wire Insulator Cap 1
3 P1061 O Ring 4¼” ID 1
4 P1059 Capacitor 2μF 1
5 P807 Terminal Block 1
6 P40102 Fan Plate – Motor Mount 1
8 P40122 900 Inlet Shroud Mount 1
9 P1069 150mm Slotted Pipe 1
10 P40114 Bell Mouth Adaptor 1
11 P40101 Fan Shroud 1
Description Quantity
12 P301 Power Cable 1
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8. Maintenance
Roof Restoration or Cleaning
Before doing your roof restoration or cleaning, please completely cover the outside motor system and avoid all
chemical contact.
IMPORTANT
Any damages caused by the
use of chemical products are
not covered by warranty.
Figure 13: Avoid chemical contact to motor system
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9. Warranty / Disclaimer
Warranty
Isodrive motor has a 10-Year replacement product warranty.* The consumer is responsible for any charges
associated with removal of the faulty unit and installation of the new unit. The customer is also responsible
for any freight charges incurred in this change over process. Schweigen SteelFlex
Warranty*.
(See warranty for more information)
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comes with a Lifetime
Disclaimer
Under our policy of continuous product development, product specications may change without notice.
Prospective purchasers should therefore check with the retailer to ensure this publication correctly describes
the products being oered for sale. All information supplied is to be used for general reference purposes only
and is on the understanding that Schweigen Home Appliances will not be liable for any loss, liability or damage
of whatever kind arising as a result of any reliance upon such information. All pictures used in the guide are for
illustrative purposes only.
*Terms and conditions apply.
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Australia Unit 4/1-5 Lake Drive, Dingley Village, Victoria 3172. Phone 1300 881 693
Email sales@schweigen.com.au Web www.schweigen.com.au
New Zealand 5 Tolich Place, Henderson, Auckland 0610. Phone 0800 200 510
Email info.parex@emerson.com Web www.parex.co.nz
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